-
Notifications
You must be signed in to change notification settings - Fork 0
/
A12_2D_tube_jet.html
1351 lines (1075 loc) · 212 KB
/
A12_2D_tube_jet.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<!--
generated by Pygments <https://pygments.org/>
Copyright 2006-2024 by the Pygments team.
Licensed under the BSD license, see LICENSE for details.
-->
<html>
<head>
<link rel='canonical' href='https://pet.triquence.org/A12_2D_tube_jet.html' />
<title>A12_2D_tube_jet</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<style type="text/css">
/*
generated by Pygments <https://pygments.org/>
Copyright 2006-2024 by the Pygments team.
Licensed under the BSD license, see LICENSE for details.
*/
pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
body .hll { background-color: #49483e }
body { background: #272822; color: #f8f8f2 }
body .c { color: #959077 } /* Comment */
body .err { color: #ed007e; background-color: #1e0010 } /* Error */
body .esc { color: #f8f8f2 } /* Escape */
body .g { color: #f8f8f2 } /* Generic */
body .k { color: #66d9ef } /* Keyword */
body .l { color: #ae81ff } /* Literal */
body .n { color: #f8f8f2 } /* Name */
body .o { color: #ff4689 } /* Operator */
body .x { color: #f8f8f2 } /* Other */
body .p { color: #f8f8f2 } /* Punctuation */
body .ch { color: #959077 } /* Comment.Hashbang */
body .cm { color: #959077 } /* Comment.Multiline */
body .cp { color: #959077 } /* Comment.Preproc */
body .cpf { color: #959077 } /* Comment.PreprocFile */
body .c1 { color: #959077 } /* Comment.Single */
body .cs { color: #959077 } /* Comment.Special */
body .gd { color: #ff4689 } /* Generic.Deleted */
body .ge { color: #f8f8f2; font-style: italic } /* Generic.Emph */
body .ges { color: #f8f8f2; font-weight: bold; font-style: italic } /* Generic.EmphStrong */
body .gr { color: #f8f8f2 } /* Generic.Error */
body .gh { color: #f8f8f2 } /* Generic.Heading */
body .gi { color: #a6e22e } /* Generic.Inserted */
body .go { color: #66d9ef } /* Generic.Output */
body .gp { color: #ff4689; font-weight: bold } /* Generic.Prompt */
body .gs { color: #f8f8f2; font-weight: bold } /* Generic.Strong */
body .gu { color: #959077 } /* Generic.Subheading */
body .gt { color: #f8f8f2 } /* Generic.Traceback */
body .kc { color: #66d9ef } /* Keyword.Constant */
body .kd { color: #66d9ef } /* Keyword.Declaration */
body .kn { color: #ff4689 } /* Keyword.Namespace */
body .kp { color: #66d9ef } /* Keyword.Pseudo */
body .kr { color: #66d9ef } /* Keyword.Reserved */
body .kt { color: #66d9ef } /* Keyword.Type */
body .ld { color: #e6db74 } /* Literal.Date */
body .m { color: #ae81ff } /* Literal.Number */
body .s { color: #e6db74 } /* Literal.String */
body .na { color: #a6e22e } /* Name.Attribute */
body .nb { color: #f8f8f2 } /* Name.Builtin */
body .nc { color: #a6e22e } /* Name.Class */
body .no { color: #66d9ef } /* Name.Constant */
body .nd { color: #a6e22e } /* Name.Decorator */
body .ni { color: #f8f8f2 } /* Name.Entity */
body .ne { color: #a6e22e } /* Name.Exception */
body .nf { color: #a6e22e } /* Name.Function */
body .nl { color: #f8f8f2 } /* Name.Label */
body .nn { color: #f8f8f2 } /* Name.Namespace */
body .nx { color: #a6e22e } /* Name.Other */
body .py { color: #f8f8f2 } /* Name.Property */
body .nt { color: #ff4689 } /* Name.Tag */
body .nv { color: #f8f8f2 } /* Name.Variable */
body .ow { color: #ff4689 } /* Operator.Word */
body .pm { color: #f8f8f2 } /* Punctuation.Marker */
body .w { color: #f8f8f2 } /* Text.Whitespace */
body .mb { color: #ae81ff } /* Literal.Number.Bin */
body .mf { color: #ae81ff } /* Literal.Number.Float */
body .mh { color: #ae81ff } /* Literal.Number.Hex */
body .mi { color: #ae81ff } /* Literal.Number.Integer */
body .mo { color: #ae81ff } /* Literal.Number.Oct */
body .sa { color: #e6db74 } /* Literal.String.Affix */
body .sb { color: #e6db74 } /* Literal.String.Backtick */
body .sc { color: #e6db74 } /* Literal.String.Char */
body .dl { color: #e6db74 } /* Literal.String.Delimiter */
body .sd { color: #e6db74 } /* Literal.String.Doc */
body .s2 { color: #e6db74 } /* Literal.String.Double */
body .se { color: #ae81ff } /* Literal.String.Escape */
body .sh { color: #e6db74 } /* Literal.String.Heredoc */
body .si { color: #e6db74 } /* Literal.String.Interpol */
body .sx { color: #e6db74 } /* Literal.String.Other */
body .sr { color: #e6db74 } /* Literal.String.Regex */
body .s1 { color: #e6db74 } /* Literal.String.Single */
body .ss { color: #e6db74 } /* Literal.String.Symbol */
body .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
body .fm { color: #a6e22e } /* Name.Function.Magic */
body .vc { color: #f8f8f2 } /* Name.Variable.Class */
body .vg { color: #f8f8f2 } /* Name.Variable.Global */
body .vi { color: #f8f8f2 } /* Name.Variable.Instance */
body .vm { color: #f8f8f2 } /* Name.Variable.Magic */
body .il { color: #ae81ff } /* Literal.Number.Integer.Long */
</style>
</head>
<body>
<h2></h2>
<div class="highlight"><pre><span></span><span class="c1"># Filename: A12_2D_tube_jet.py</span>
<span class="c1"># Written by: James D. Miller</span>
<span class="kn">import</span> <span class="nn">sys</span><span class="o">,</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">pygame</span>
<span class="kn">import</span> <span class="nn">datetime</span>
<span class="kn">import</span> <span class="nn">math</span>
<span class="c1"># PyGame Constants</span>
<span class="kn">from</span> <span class="nn">pygame.locals</span> <span class="kn">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">pygame.color</span> <span class="kn">import</span> <span class="n">THECOLORS</span>
<span class="c1"># PyGame gui</span>
<span class="kn">from</span> <span class="nn">pgu</span> <span class="kn">import</span> <span class="n">gui</span>
<span class="c1"># Import the vector class from a local module (in this same directory)</span>
<span class="kn">from</span> <span class="nn">vec2d_jdm</span> <span class="kn">import</span> <span class="n">Vec2D</span>
<span class="c1"># Networking</span>
<span class="kn">from</span> <span class="nn">PodSixNet.Server</span> <span class="kn">import</span> <span class="n">Server</span>
<span class="kn">from</span> <span class="nn">PodSixNet.Channel</span> <span class="kn">import</span> <span class="n">Channel</span>
<span class="kn">import</span> <span class="nn">socket</span>
<span class="c1">#=====================================================================</span>
<span class="c1"># Classes</span>
<span class="c1">#=====================================================================</span>
<span class="k">class</span> <span class="nc">ClientChannel</span><span class="p">(</span><span class="n">Channel</span><span class="p">):</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">Channel</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">pass</span>
<span class="c1"># def Network(self, data):</span>
<span class="c1"># #print "Client State Dictionary:", data</span>
<span class="c1"># #print "Network, data['ID']", data['ID']</span>
<span class="c1"># pass</span>
<span class="k">def</span> <span class="nf">Network_CN</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">):</span>
<span class="c1">#global env</span>
<span class="c1"># Store incoming data in the client objects.</span>
<span class="n">speaking_client_name</span> <span class="o">=</span> <span class="s1">'C'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'ID'</span><span class="p">])</span>
<span class="c1"># Check to make sure that this client is still in the client dictionary.</span>
<span class="k">if</span> <span class="n">speaking_client_name</span> <span class="ow">in</span> <span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">:</span>
<span class="c1"># Mouse controls.</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">cursor_location_px</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'mXY'</span><span class="p">]</span> <span class="c1"># mouse x,y</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">buttonIsStillDown</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'mBd'</span><span class="p">]</span> <span class="c1"># mouse button down (true/false)</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">mouse_button</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'mB'</span><span class="p">]</span> <span class="c1"># mosue button number (1,2,3,0)</span>
<span class="c1"># Jet controls.</span>
<span class="c1"># Make the s key behave as a toggle.</span>
<span class="c1"># If key is up, make it ready to accept the down ('D') event.</span>
<span class="k">if</span> <span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'s'</span><span class="p">]</span> <span class="o">==</span> <span class="s1">'U'</span><span class="p">):</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_s_onoff</span> <span class="o">=</span> <span class="s1">'ON'</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_s</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'s'</span><span class="p">]</span>
<span class="c1"># If getting 'D' from network client and the key is enabled.</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_s_onoff</span> <span class="o">==</span> <span class="s1">'ON'</span><span class="p">):</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_s</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'s'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_a</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'a'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_d</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'d'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_w</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'w'</span><span class="p">]</span>
<span class="c1"># Freeze controls.</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_f</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'f'</span><span class="p">]</span>
<span class="c1"># Gun controls.</span>
<span class="c1"># Make the k key behave as a toggle.</span>
<span class="c1"># If key is up, make it ready to accept the down ('D') event.</span>
<span class="k">if</span> <span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'k'</span><span class="p">]</span> <span class="o">==</span> <span class="s1">'U'</span><span class="p">):</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_k_onoff</span> <span class="o">=</span> <span class="s1">'ON'</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_k</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'k'</span><span class="p">]</span>
<span class="c1"># If getting 'D' from network client and the key is enabled.</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_k_onoff</span> <span class="o">==</span> <span class="s1">'ON'</span><span class="p">):</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_k</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'k'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_j</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'j'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_l</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'l'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_i</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">'i'</span><span class="p">]</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">speaking_client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_space</span> <span class="o">=</span> <span class="n">data</span><span class="p">[</span><span class="s1">' '</span><span class="p">]</span>
<span class="c1"># Go through the list of client, adding 1 to each that isn't the current SENDING client.</span>
<span class="c1"># Use this to block rendering of objects of clients that have disconnected.</span>
<span class="c1"># Note: this technique will never act to stop rendering the last client's data, because once the last</span>
<span class="c1"># network client disconnects, this counting will stop and it will never reach the limit that inhibits</span>
<span class="c1"># rendering.</span>
<span class="k">for</span> <span class="n">client_name</span> <span class="ow">in</span> <span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">:</span>
<span class="k">if</span> <span class="p">(</span><span class="n">client_name</span> <span class="o">!=</span> <span class="n">speaking_client_name</span><span class="p">):</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">Qcount</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">Qcount</span> <span class="o">=</span> <span class="mi">0</span>
<span class="c1"># print client_name, env.clients[client_name].Qcount</span>
<span class="c1"># print "========================================"</span>
<span class="k">def</span> <span class="nf">Close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="nb">print</span> <span class="s2">"A network client game pad has been closed."</span>
<span class="k">class</span> <span class="nc">GameServer</span><span class="p">(</span><span class="n">Server</span><span class="p">):</span>
<span class="n">channelClass</span> <span class="o">=</span> <span class="n">ClientChannel</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">Server</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_count</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">pass</span>
<span class="c1"># This runs when each client connects.</span>
<span class="k">def</span> <span class="nf">Connected</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">channel</span><span class="p">,</span> <span class="n">addr</span><span class="p">):</span>
<span class="c1">#global env</span>
<span class="c1">#print 'new connection (channel, addr):', channel, addr</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_count</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">client_count</span> <span class="o"><=</span> <span class="mi">10</span><span class="p">):</span>
<span class="n">channel</span><span class="o">.</span><span class="n">Send</span><span class="p">({</span><span class="s2">"action"</span><span class="p">:</span> <span class="s2">"hello"</span><span class="p">,</span> <span class="s2">"P_ID"</span><span class="p">:</span><span class="bp">self</span><span class="o">.</span><span class="n">client_count</span><span class="p">})</span>
<span class="n">client_name</span> <span class="o">=</span> <span class="s1">'C'</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">client_count</span><span class="p">)</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">Client</span><span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">client_colors</span><span class="p">[</span><span class="n">client_name</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">channel</span><span class="o">.</span><span class="n">Send</span><span class="p">({</span><span class="s2">"action"</span><span class="p">:</span> <span class="s2">"hello"</span><span class="p">,</span> <span class="s2">"P_ID"</span><span class="p">:</span><span class="mi">0</span><span class="p">})</span>
<span class="nb">print</span> <span class="s2">"self.client_count ="</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">client_count</span>
<span class="k">class</span> <span class="nc">Client</span><span class="p">:</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cursor_color</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span> <span class="o">=</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)</span> <span class="c1"># x_px, y_px</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mouse_button</span> <span class="o">=</span> <span class="mi">1</span> <span class="c1"># 1, 2, or 3</span>
<span class="bp">self</span><span class="o">.</span><span class="n">buttonIsStillDown</span> <span class="o">=</span> <span class="kc">False</span>
<span class="c1"># Jet</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_a</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_s</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_s_onoff</span> <span class="o">=</span> <span class="s2">"ON"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_d</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_w</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="c1"># Gun</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_j</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_k</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_k_onoff</span> <span class="o">=</span> <span class="s2">"ON"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_l</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_i</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_space</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="c1"># Freeze it</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_f</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="c1"># Zoom</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_b</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_n</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_m</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key_h</span> <span class="o">=</span> <span class="s2">"U"</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cursor_color</span> <span class="o">=</span> <span class="n">cursor_color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">Qcount</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">bullet_hit_count</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">bullet_hit_limit</span> <span class="o">=</span> <span class="mf">150.0</span>
<span class="c1"># Define the nature of the cursor strings, one for each mouse button.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mouse_strings</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'string1'</span><span class="p">:{</span><span class="s1">'c_drag'</span><span class="p">:</span> <span class="mf">2.0</span><span class="p">,</span> <span class="s1">'k_Npm'</span><span class="p">:</span> <span class="mf">60.0</span><span class="p">},</span>
<span class="s1">'string2'</span><span class="p">:{</span><span class="s1">'c_drag'</span><span class="p">:</span> <span class="mf">0.2</span><span class="p">,</span> <span class="s1">'k_Npm'</span><span class="p">:</span> <span class="mf">2.0</span><span class="p">},</span>
<span class="s1">'string3'</span><span class="p">:{</span><span class="s1">'c_drag'</span><span class="p">:</span> <span class="mf">20.0</span><span class="p">,</span> <span class="s1">'k_Npm'</span><span class="p">:</span> <span class="mf">1000.0</span><span class="p">}}</span>
<span class="c1">#'string0':{'c_drag': 0.0, 'k_Npm': 0.0}}</span>
<span class="k">def</span> <span class="nf">calc_string_forces_on_pucks</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Calculated the string forces on the selected puck and add to the aggregate</span>
<span class="c1"># that is stored in the puck object.</span>
<span class="c1"># Only check for a selected puck if one isn't already selected. This keeps</span>
<span class="c1"># the puck from unselecting if cursor is dragged off the puck!</span>
<span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span> <span class="o">==</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">buttonIsStillDown</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span> <span class="o">=</span> <span class="n">air_table</span><span class="o">.</span><span class="n">checkForPuckAtThisPosition</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">buttonIsStillDown</span><span class="p">:</span>
<span class="c1"># Unselect the puck and bomb out of here.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span><span class="o">.</span><span class="n">selected</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="c1"># Use dx difference to calculate the hooks law force being applied by the tether line. </span>
<span class="c1"># If you release the mouse button after a drag it will fling the puck.</span>
<span class="c1"># This tether force will diminish as the puck gets closer to the mouse point.</span>
<span class="n">dx_2d_m</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertScreenToWorld</span><span class="p">(</span><span class="n">Vec2D</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">))</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span><span class="o">.</span><span class="n">pos_2d_m</span>
<span class="n">stringName</span> <span class="o">=</span> <span class="s2">"string"</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mouse_button</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span><span class="o">.</span><span class="n">cursorString_spring_force_2d_N</span> <span class="o">+=</span> <span class="n">dx_2d_m</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">mouse_strings</span><span class="p">[</span><span class="n">stringName</span><span class="p">][</span><span class="s1">'k_Npm'</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span><span class="o">.</span><span class="n">cursorString_puckDrag_force_2d_N</span> <span class="o">+=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">*</span>
<span class="o">-</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">mouse_strings</span><span class="p">[</span><span class="n">stringName</span><span class="p">][</span><span class="s1">'c_drag'</span><span class="p">])</span>
<span class="c1"># # Limit the amount of force the cursor string can apply.</span>
<span class="c1"># mouse_string_tension_limit_N = 1000</span>
<span class="c1"># mouse_string_tension_magnitude = cursor_string.tension_2d_N.length()</span>
<span class="c1"># if mouse_string_tension_magnitude > mouse_string_tension_limit_N:</span>
<span class="c1"># cursor_string.tension_2d_N = (cursor_string.tension_2d_N / mouse_string_tension_magnitude) * mouse_string_tension_limit_N</span>
<span class="k">def</span> <span class="nf">draw_cursor_string</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">line_points</span> <span class="o">=</span> <span class="p">[</span><span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">]</span>
<span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">selected_puck</span> <span class="o">!=</span> <span class="kc">None</span><span class="p">):</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">line</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cursor_color</span><span class="p">,</span> <span class="n">line_points</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">line_points</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">draw_fancy_server_cursor</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">draw_server_cursor</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">cursor_color</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">draw_server_cursor</span><span class="p">(</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"black"</span><span class="p">],</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">draw_server_cursor</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">color</span><span class="p">,</span> <span class="n">edge_px</span><span class="p">):</span>
<span class="n">cursor_outline_vertices</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">cursor_outline_vertices</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span> <span class="p">)</span>
<span class="n">cursor_outline_vertices</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">+</span> <span class="mi">10</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="mi">10</span><span class="p">)</span> <span class="p">)</span>
<span class="n">cursor_outline_vertices</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">+</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cursor_location_px</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="mi">15</span><span class="p">)</span> <span class="p">)</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">color</span><span class="p">,</span> <span class="n">cursor_outline_vertices</span><span class="p">,</span> <span class="n">edge_px</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">Puck</span><span class="p">:</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pos_2d_m</span><span class="p">,</span> <span class="n">radius_m</span><span class="p">,</span> <span class="n">density_kgpm2</span><span class="p">,</span> <span class="n">puck_color</span> <span class="o">=</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"grey"</span><span class="p">]):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">radius_m</span> <span class="o">=</span> <span class="n">radius_m</span>
<span class="bp">self</span><span class="o">.</span><span class="n">radius_px</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="nb">round</span><span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">px_from_m</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">radius_m</span> <span class="o">*</span> <span class="n">env</span><span class="o">.</span><span class="n">viewZoom</span><span class="p">)))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">density_kgpm2</span> <span class="o">=</span> <span class="n">density_kgpm2</span> <span class="c1"># mass per unit area</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mass_kg</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">density_kgpm2</span> <span class="o">*</span> <span class="n">math</span><span class="o">.</span><span class="n">pi</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">radius_m</span> <span class="o">**</span> <span class="mi">2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">=</span> <span class="n">pos_2d_m</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">SprDamp_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">jet_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cursorString_spring_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cursorString_puckDrag_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">impulse_2d_Ns</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">selected</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">puck_color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_name</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">jet</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gun</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rawtube</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hit</span> <span class="o">=</span> <span class="kc">False</span>
<span class="c1"># Bullet data...</span>
<span class="bp">self</span><span class="o">.</span><span class="n">bullet</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">birth_time_s</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">time_s</span>
<span class="bp">self</span><span class="o">.</span><span class="n">age_limit_s</span> <span class="o">=</span> <span class="mf">3.0</span>
<span class="c1"># If you print an object instance...</span>
<span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"puck: x is </span><span class="si">%s</span><span class="s2">, y is </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Convert x,y to pixel screen location and then draw.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_px</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">)</span>
<span class="c1">#print "draw position", self.pos_px[0], self.pos_px[1]</span>
<span class="c1"># Update based on zoom factor</span>
<span class="bp">self</span><span class="o">.</span><span class="n">radius_px</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="nb">round</span><span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">px_from_m</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)))</span>
<span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">radius_px</span> <span class="o"><</span> <span class="mi">3</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">radius_px</span> <span class="o">=</span> <span class="mi">3</span>
<span class="c1"># Just after a hit, fill the whole circle with RED (i.e., thickness = 0).</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">hit</span><span class="p">:</span>
<span class="n">puck_circle_thickness</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">puck_color</span> <span class="o">=</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"red"</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hit</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">puck_circle_thickness</span> <span class="o">=</span> <span class="mi">3</span>
<span class="n">puck_color</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">color</span>
<span class="c1"># Draw main puck body.</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">circle</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">puck_color</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_px</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">radius_px</span><span class="p">,</span> <span class="n">puck_circle_thickness</span><span class="p">)</span>
<span class="c1"># Draw life (poor health) indicator circle.</span>
<span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">client_name</span> <span class="o">!=</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">bullet</span><span class="p">):</span>
<span class="n">spent_fraction</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">bullet_hit_count</span><span class="p">)</span> <span class="o">/</span> <span class="nb">float</span><span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">bullet_hit_limit</span><span class="p">)</span>
<span class="n">life_radius</span> <span class="o">=</span> <span class="n">spent_fraction</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">radius_px</span>
<span class="k">if</span> <span class="p">(</span><span class="n">life_radius</span> <span class="o">></span> <span class="mf">2.0</span><span class="p">):</span>
<span class="n">life_radius_px</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="nb">round</span><span class="p">(</span><span class="n">life_radius</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">life_radius_px</span> <span class="o">=</span> <span class="mi">2</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">circle</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"red"</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">pos_2d_px</span><span class="p">,</span> <span class="n">life_radius_px</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">RotatingTube</span><span class="p">:</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">puck</span><span class="p">):</span>
<span class="c1"># Associate the tube with the puck.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">puck</span> <span class="o">=</span> <span class="n">puck</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">puck</span><span class="o">.</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">cursor_color</span>
<span class="c1"># Degrees of rotation per rendering cycle.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotation_deg</span> <span class="o">=</span> <span class="mf">1.8</span>
<span class="c1"># Scaling factors to manage the aspect ratio of the tube.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span> <span class="o">=</span> <span class="mf">0.15</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span> <span class="o">=</span> <span class="mf">0.50</span>
<span class="c1"># Notice the counter-clockwise drawing pattern. Four vertices for a rectangle.</span>
<span class="c1"># Each vertex is represented by a vector.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span> <span class="o">=</span> <span class="p">[</span><span class="n">Vec2D</span><span class="p">(</span><span class="o">-</span><span class="mf">0.50</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">0.00</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">),</span>
<span class="n">Vec2D</span><span class="p">(</span> <span class="mf">0.50</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">0.00</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">),</span>
<span class="n">Vec2D</span><span class="p">(</span> <span class="mf">0.50</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">1.00</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">),</span>
<span class="n">Vec2D</span><span class="p">(</span><span class="o">-</span><span class="mf">0.50</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">1.00</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">)]</span>
<span class="c1"># Define a normal (1 meter) pointing vector to keep track of the direction of the jet.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">direction_2d_m</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rotate_vertices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">vertices_2d_m</span><span class="p">,</span> <span class="n">angle_deg</span><span class="p">):</span>
<span class="c1"># Put modified vectors in a new list.</span>
<span class="n">rotated_vertices_2d_m</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">vertex_2d_m</span> <span class="ow">in</span> <span class="n">vertices_2d_m</span><span class="p">:</span>
<span class="n">rotated_vertices_2d_m</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="n">vertex_2d_m</span><span class="o">.</span><span class="n">rotated</span><span class="p">(</span> <span class="n">angle_deg</span><span class="p">))</span>
<span class="k">return</span> <span class="n">rotated_vertices_2d_m</span>
<span class="k">def</span> <span class="nf">rotate_everything</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">angle_deg</span><span class="p">):</span>
<span class="c1"># Rotate the pointer.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">direction_2d_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">direction_2d_m</span><span class="o">.</span><span class="n">rotated</span><span class="p">(</span> <span class="n">angle_deg</span><span class="p">)</span>
<span class="c1"># Rotate the tube.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotate_vertices</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span><span class="p">,</span> <span class="n">angle_deg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">client_rotation_control</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">client_name</span><span class="p">):</span>
<span class="c1"># Rotate clockwise (D) and counter-clockwise (A).</span>
<span class="k">if</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_j</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotate_everything</span><span class="p">(</span> <span class="o">+</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotation_deg</span><span class="p">)</span>
<span class="k">if</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_l</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotate_everything</span><span class="p">(</span> <span class="o">-</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotation_deg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">convert_from_world_to_screen</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">vertices_2d_m</span><span class="p">,</span> <span class="n">base_point_2d_m</span><span class="p">):</span>
<span class="n">vertices_2d_px</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">vertex_2d_m</span> <span class="ow">in</span> <span class="n">vertices_2d_m</span><span class="p">:</span>
<span class="c1"># Calculate absolute position of this vertice.</span>
<span class="n">vertices_2d_px</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="n">vertex_2d_m</span> <span class="o">+</span> <span class="n">base_point_2d_m</span><span class="p">))</span>
<span class="k">return</span> <span class="n">vertices_2d_px</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Draw the tube on the game-window surface. Establish the base_point as the center of the puck.</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">convert_from_world_to_screen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">),</span> <span class="mi">3</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">Jet</span><span class="p">(</span> <span class="n">RotatingTube</span><span class="p">):</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">puck</span><span class="p">):</span>
<span class="n">RotatingTube</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">puck</span><span class="p">)</span>
<span class="c1"># Degrees of rotation per rendering cycle.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotation_deg</span> <span class="o">=</span> <span class="mf">4.0</span>
<span class="c1">#self.color = env.clients[self.puck.client_name].cursor_color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"yellow"</span><span class="p">]</span>
<span class="c1"># The jet flame (triangle)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">flame_vertices_2d_m</span> <span class="o">=</span><span class="p">[</span><span class="n">Vec2D</span><span class="p">(</span><span class="o">-</span><span class="mf">0.50</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">1.02</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">),</span>
<span class="n">Vec2D</span><span class="p">(</span> <span class="mf">0.50</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">1.02</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">),</span>
<span class="n">Vec2D</span><span class="p">(</span><span class="o">-</span><span class="mf">0.00</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_x</span><span class="p">,</span> <span class="mf">1.80</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">sf_y</span><span class="p">)]</span>
<span class="c1"># Point everything down for starters.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotate_everything</span><span class="p">(</span> <span class="mi">180</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">client_rotation_control</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">client_name</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_a</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotate_everything</span><span class="p">(</span> <span class="o">+</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotation_deg</span><span class="p">)</span>
<span class="k">if</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_d</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">rotate_everything</span><span class="p">(</span> <span class="o">-</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotation_deg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">rotate_everything</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">angle_deg</span><span class="p">):</span>
<span class="c1"># Rotate the pointer.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">direction_2d_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">direction_2d_m</span><span class="o">.</span><span class="n">rotated</span><span class="p">(</span> <span class="n">angle_deg</span><span class="p">)</span>
<span class="c1"># Rotate the tube.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotate_vertices</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span><span class="p">,</span> <span class="n">angle_deg</span><span class="p">)</span>
<span class="c1"># Rotate the flame.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">flame_vertices_2d_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotate_vertices</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">flame_vertices_2d_m</span><span class="p">,</span> <span class="n">angle_deg</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Draw the jet tube.</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">convert_from_world_to_screen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tube_vertices_2d_m</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">),</span> <span class="mi">3</span><span class="p">)</span>
<span class="c1"># Draw the red flame.</span>
<span class="k">if</span> <span class="p">(</span><span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">puck</span><span class="o">.</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">key_w</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">):</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"red"</span><span class="p">],</span>
<span class="bp">self</span><span class="o">.</span><span class="n">convert_from_world_to_screen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">flame_vertices_2d_m</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">),</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">Spring</span><span class="p">:</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">p1</span><span class="p">,</span> <span class="n">p2</span><span class="p">,</span> <span class="n">length_m</span><span class="o">=</span><span class="mf">3.0</span><span class="p">,</span> <span class="n">strength_Npm</span><span class="o">=</span><span class="mf">0.5</span><span class="p">,</span> <span class="n">spring_color</span><span class="o">=</span><span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"yellow"</span><span class="p">],</span> <span class="n">width_m</span><span class="o">=</span><span class="mf">0.025</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1</span> <span class="o">=</span> <span class="n">p1</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p2</span> <span class="o">=</span> <span class="n">p2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_2d_m</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_m</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1p2_normalized_2d</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">length_m</span> <span class="o">=</span> <span class="n">length_m</span>
<span class="bp">self</span><span class="o">.</span><span class="n">strength_Npm</span> <span class="o">=</span> <span class="n">strength_Npm</span>
<span class="bp">self</span><span class="o">.</span><span class="n">damper_Ns2pm2</span> <span class="o">=</span> <span class="mf">0.5</span> <span class="c1">#5.0 #0.05 #0.15</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unstretched_width_m</span> <span class="o">=</span> <span class="n">width_m</span> <span class="c1">#0.05</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_px</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_color</span> <span class="o">=</span> <span class="n">spring_color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">draw_as_line</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">calc_spring_forces_on_pucks</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_2d_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">p2</span><span class="o">.</span><span class="n">pos_2d_m</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_2d_m</span><span class="o">.</span><span class="n">length</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1p2_normalized_2d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_2d_m</span> <span class="o">/</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_m</span>
<span class="c1"># Spring force: acts along the separation vector and is proportional to the seperation distance.</span>
<span class="n">spring_force_on_1_N</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_normalized_2d</span> <span class="o">*</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">length_m</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_m</span><span class="p">)</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">strength_Npm</span>
<span class="c1"># Damper force: acts along the separation vector and is proportional to the relative speed.</span>
<span class="n">v_relative_2d_mps</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">p2</span><span class="o">.</span><span class="n">vel_2d_mps</span>
<span class="n">v_relative_alongNormal_2d_mps</span> <span class="o">=</span> <span class="n">v_relative_2d_mps</span><span class="o">.</span><span class="n">projection_onto</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p1p2_normalized_2d</span><span class="p">)</span>
<span class="n">damper_force_on_1_N</span> <span class="o">=</span> <span class="n">v_relative_alongNormal_2d_mps</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">damper_Ns2pm2</span>
<span class="c1"># Net force by both spring and damper</span>
<span class="n">SprDamp_force_2d_N</span> <span class="o">=</span> <span class="n">spring_force_on_1_N</span> <span class="o">-</span> <span class="n">damper_force_on_1_N</span>
<span class="c1"># This force acts in opposite directions for each of the two pucks. Notice the "+=" here, this</span>
<span class="c1"># is an aggregate across all the springs. This aggregate MUST be reset (zeroed) after the movements are</span>
<span class="c1"># calculated. So by the time you've looped through all the springs, you get the NET force, one each ball, </span>
<span class="c1"># applied of all individual springs.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p1</span><span class="o">.</span><span class="n">SprDamp_force_2d_N</span> <span class="o">+=</span> <span class="n">SprDamp_force_2d_N</span> <span class="o">*</span> <span class="p">(</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">p2</span><span class="o">.</span><span class="n">SprDamp_force_2d_N</span> <span class="o">+=</span> <span class="n">SprDamp_force_2d_N</span> <span class="o">*</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span>
<span class="c1"># This would be an alternate way to handle this. Directly calculate the effect on puck velocities.</span>
<span class="c1"># Apply the spring and damper force in changing the velocity of the two pucks.</span>
<span class="c1"># self.p1.vel_2d_mps = self.p1.vel_2d_mps + (self.p1.SprDamp_force_2d_N * (dt_physics_s/self.p1.mass_kg))</span>
<span class="c1"># self.p2.vel_2d_mps = self.p2.vel_2d_mps + (self.p2.SprDamp_force_2d_N * (dt_physics_s/self.p2.mass_kg))</span>
<span class="k">def</span> <span class="nf">width_to_draw_m</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">width_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">unstretched_width_m</span> <span class="o">*</span> <span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mf">0.30</span> <span class="o">*</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">length_m</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_separation_m</span><span class="p">))</span>
<span class="k">if</span> <span class="n">width_m</span> <span class="o"><</span> <span class="p">(</span><span class="mf">0.05</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">unstretched_width_m</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">draw_as_line</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">width_m</span> <span class="o">=</span> <span class="mf">0.0</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">draw_as_line</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">return</span> <span class="n">width_m</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Change the width to indicate the stretch or compression in the spring. Note, it's good to </span>
<span class="c1"># do this outside of the main calc loop (using the redering timer). No need to do all this each</span>
<span class="c1"># time step.</span>
<span class="n">width_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">width_to_draw_m</span><span class="p">()</span>
<span class="c1"># Calculate the four corners of the spring rectangle.</span>
<span class="n">p1p2_perpendicular_2d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">p1p2_normalized_2d</span><span class="o">.</span><span class="n">rotate90</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p1</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">+</span> <span class="p">(</span><span class="n">p1p2_perpendicular_2d</span> <span class="o">*</span> <span class="n">width_m</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p1</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">-</span> <span class="p">(</span><span class="n">p1p2_perpendicular_2d</span> <span class="o">*</span> <span class="n">width_m</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p2</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">-</span> <span class="p">(</span><span class="n">p1p2_perpendicular_2d</span> <span class="o">*</span> <span class="n">width_m</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p2</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">+</span> <span class="p">(</span><span class="n">p1p2_perpendicular_2d</span> <span class="o">*</span> <span class="n">width_m</span><span class="p">))</span>
<span class="c1"># Transform from world to screen.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_px</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">vertex_2d_m</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_m</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_px</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="n">vertex_2d_m</span><span class="p">))</span>
<span class="c1"># Draw the spring</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">draw_as_line</span> <span class="o">==</span> <span class="kc">True</span><span class="p">:</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">aaline</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">spring_color</span><span class="p">,</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p1</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">),</span>
<span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">p2</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">spring_color</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">spring_vertices_2d_px</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">AirTable</span><span class="p">:</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">walls_dic</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gON_mps2</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="o">-</span><span class="mf">0.0</span><span class="p">,</span> <span class="o">-</span><span class="mf">9.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gOFF_mps2</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="o">-</span><span class="mf">0.0</span><span class="p">,</span> <span class="o">-</span><span class="mf">0.0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">g_2d_mps2</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">gOFF_mps2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">g_ON</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pucks</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">controlled_pucks</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">springs</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">walls</span> <span class="o">=</span> <span class="n">walls_dic</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tubes</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">collision_count</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">coef_rest_puck</span> <span class="o">=</span> <span class="mf">0.90</span>
<span class="bp">self</span><span class="o">.</span><span class="n">coef_rest_table</span> <span class="o">=</span> <span class="mf">0.90</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color_transfer</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1">#{"L_m":0.0, "R_m":10.0, "B_m":0.0, "T_m":10.0}</span>
<span class="n">topLeft_2d_px</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="n">Vec2D</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'L_m'</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'T_m'</span><span class="p">]))</span>
<span class="n">topRight_2d_px</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="n">Vec2D</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'R_m'</span><span class="p">]</span><span class="o">-</span><span class="mf">0.01</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'T_m'</span><span class="p">]))</span>
<span class="n">botLeft_2d_px</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="n">Vec2D</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'L_m'</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'B_m'</span><span class="p">]</span><span class="o">+</span><span class="mf">0.01</span><span class="p">))</span>
<span class="n">botRight_2d_px</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertWorldToScreen</span><span class="p">(</span> <span class="n">Vec2D</span><span class="p">(</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'R_m'</span><span class="p">]</span><span class="o">-</span><span class="mf">0.01</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s1">'B_m'</span><span class="p">]</span><span class="o">+</span><span class="mf">0.01</span><span class="p">))</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">line</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"orangered1"</span><span class="p">],</span> <span class="n">topLeft_2d_px</span><span class="p">,</span> <span class="n">topRight_2d_px</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">line</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"orangered1"</span><span class="p">],</span> <span class="n">topRight_2d_px</span><span class="p">,</span> <span class="n">botRight_2d_px</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">line</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"orangered1"</span><span class="p">],</span> <span class="n">botRight_2d_px</span><span class="p">,</span> <span class="n">botLeft_2d_px</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">pygame</span><span class="o">.</span><span class="n">draw</span><span class="o">.</span><span class="n">line</span><span class="p">(</span><span class="n">game_window</span><span class="o">.</span><span class="n">surface</span><span class="p">,</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"orangered1"</span><span class="p">],</span> <span class="n">botLeft_2d_px</span><span class="p">,</span> <span class="n">topLeft_2d_px</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">checkForPuckAtThisPosition</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x_px_or_tuple</span><span class="p">,</span> <span class="n">y_px</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">y_px</span> <span class="o">==</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">x_px</span> <span class="o">=</span> <span class="n">x_px_or_tuple</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">y_px</span> <span class="o">=</span> <span class="n">x_px_or_tuple</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">x_px</span> <span class="o">=</span> <span class="n">x_px_or_tuple</span>
<span class="bp">self</span><span class="o">.</span><span class="n">y_px</span> <span class="o">=</span> <span class="n">y_px</span>
<span class="n">test_position_m</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">ConvertScreenToWorld</span><span class="p">(</span><span class="n">Vec2D</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">x_px</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">y_px</span><span class="p">))</span>
<span class="k">for</span> <span class="n">puck</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pucks</span><span class="p">:</span>
<span class="n">vector_difference_m</span> <span class="o">=</span> <span class="n">test_position_m</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span>
<span class="c1"># Use squared lengths for speed (avoid square root)</span>
<span class="n">mag_of_difference_m2</span> <span class="o">=</span> <span class="n">vector_difference_m</span><span class="o">.</span><span class="n">length_squared</span><span class="p">()</span>
<span class="k">if</span> <span class="n">mag_of_difference_m2</span> <span class="o"><</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="o">**</span><span class="mi">2</span><span class="p">:</span>
<span class="n">puck</span><span class="o">.</span><span class="n">selected</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">return</span> <span class="n">puck</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">update_PuckSpeedAndPosition</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">puck</span><span class="p">,</span> <span class="n">dt_s</span><span class="p">):</span>
<span class="c1"># Net resulting force on the puck.</span>
<span class="n">puck_forces_2d_N</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">g_2d_mps2</span> <span class="o">*</span> <span class="n">puck</span><span class="o">.</span><span class="n">mass_kg</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">SprDamp_force_2d_N</span> <span class="o">+</span>
<span class="n">puck</span><span class="o">.</span><span class="n">jet_force_2d_N</span> <span class="o">+</span>
<span class="n">puck</span><span class="o">.</span><span class="n">cursorString_spring_force_2d_N</span> <span class="o">+</span>
<span class="n">puck</span><span class="o">.</span><span class="n">cursorString_puckDrag_force_2d_N</span> <span class="o">+</span>
<span class="n">puck</span><span class="o">.</span><span class="n">impulse_2d_Ns</span><span class="o">/</span><span class="n">dt_s</span><span class="p">)</span>
<span class="c1"># Acceleration from Newton's law.</span>
<span class="n">acc_2d_mps2</span> <span class="o">=</span> <span class="n">puck_forces_2d_N</span> <span class="o">/</span> <span class="n">puck</span><span class="o">.</span><span class="n">mass_kg</span>
<span class="c1"># Acceleration changes the velocity: dv = a * dt</span>
<span class="c1"># Velocity at the end of the timestep.</span>
<span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">=</span> <span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">+</span> <span class="p">(</span><span class="n">acc_2d_mps2</span> <span class="o">*</span> <span class="n">dt_s</span><span class="p">)</span>
<span class="c1"># Calculate the new physical puck position using the average velocity.</span>
<span class="c1"># Velocity changes the position: dx = v * dt</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">=</span> <span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">+</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">*</span> <span class="n">dt_s</span><span class="p">)</span>
<span class="c1"># Now reset the aggregate forces.</span>
<span class="n">puck</span><span class="o">.</span><span class="n">SprDamp_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="n">puck</span><span class="o">.</span><span class="n">cursorString_spring_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="n">puck</span><span class="o">.</span><span class="n">cursorString_puckDrag_force_2d_N</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="n">puck</span><span class="o">.</span><span class="n">impulse_2d_Ns</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span><span class="mf">0.0</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">check_for_collisions</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">correct_for_wall_penetration</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">correct_for_puck_penetration</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">puck</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pucks</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(((</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"B_m"</span><span class="p">])</span> <span class="ow">or</span> <span class="p">((</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">+</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"T_m"</span><span class="p">])):</span>
<span class="k">if</span> <span class="n">correct_for_wall_penetration</span><span class="p">:</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"B_m"</span><span class="p">]:</span>
<span class="n">penetration_y_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"B_m"</span><span class="p">]</span> <span class="o">-</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">+=</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">penetration_y_m</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">+</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"T_m"</span><span class="p">]:</span>
<span class="n">penetration_y_m</span> <span class="o">=</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">+</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"T_m"</span><span class="p">]</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">-=</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">penetration_y_m</span>
<span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span><span class="o">.</span><span class="n">y</span> <span class="o">*=</span> <span class="o">-</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">coef_rest_table</span>
<span class="k">if</span> <span class="p">(((</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"L_m"</span><span class="p">])</span> <span class="ow">or</span> <span class="p">((</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">+</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"R_m"</span><span class="p">])):</span>
<span class="k">if</span> <span class="n">correct_for_wall_penetration</span><span class="p">:</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"L_m"</span><span class="p">]:</span>
<span class="n">penetration_x_m</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"L_m"</span><span class="p">]</span> <span class="o">-</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">+=</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">penetration_x_m</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">+</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"R_m"</span><span class="p">]:</span>
<span class="n">penetration_x_m</span> <span class="o">=</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">+</span> <span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">walls</span><span class="p">[</span><span class="s2">"R_m"</span><span class="p">]</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">-=</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">penetration_x_m</span>
<span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span><span class="o">.</span><span class="n">x</span> <span class="o">*=</span> <span class="o">-</span><span class="mi">1</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">coef_rest_table</span>
<span class="c1"># Collisions with other pucks. </span>
<span class="k">for</span> <span class="n">otherpuck</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">pucks</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">:]:</span>
<span class="c1"># Check if the two puck circles are overlapping.</span>
<span class="c1"># Parallel to the normal</span>
<span class="n">puck_to_puck_2d_m</span> <span class="o">=</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">-</span> <span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span>
<span class="c1"># Parallel to the tangent</span>
<span class="n">tanget_p_to_p_2d_m</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="o">.</span><span class="n">rotate90</span><span class="p">(</span><span class="n">puck_to_puck_2d_m</span><span class="p">)</span>
<span class="n">p_to_p_m2</span> <span class="o">=</span> <span class="n">puck_to_puck_2d_m</span><span class="o">.</span><span class="n">length_squared</span><span class="p">()</span>
<span class="c1"># Keep this check fast by avoiding square roots.</span>
<span class="k">if</span> <span class="p">(</span><span class="n">p_to_p_m2</span> <span class="o"><</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span> <span class="o">+</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span><span class="o">**</span><span class="mi">2</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">collision_count</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="c1">#print "collision_count", self.collision_count</span>
<span class="c1"># If it's a bullet coming from another client, add to the</span>
<span class="c1"># hit count for non-bullet client.</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">client_name</span> <span class="o">!=</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">otherpuck</span><span class="o">.</span><span class="n">client_name</span> <span class="o">!=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">client_name</span> <span class="o">!=</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">client_name</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">otherpuck</span><span class="o">.</span><span class="n">bullet</span> <span class="ow">and</span> <span class="p">(</span><span class="ow">not</span> <span class="n">puck</span><span class="o">.</span><span class="n">bullet</span><span class="p">)):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">puck</span><span class="o">.</span><span class="n">gun</span><span class="o">.</span><span class="n">shield</span><span class="p">:</span>
<span class="n">env</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">puck</span><span class="o">.</span><span class="n">client_name</span><span class="p">]</span><span class="o">.</span><span class="n">bullet_hit_count</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="n">puck</span><span class="o">.</span><span class="n">hit</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">puck</span><span class="o">.</span><span class="n">gun</span><span class="o">.</span><span class="n">shield_hit_count</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">color_transfer</span> <span class="o">==</span> <span class="kc">True</span><span class="p">:</span>
<span class="c1">#(puck.color, otherpuck.color) = (otherpuck.color, puck.color)</span>
<span class="k">pass</span>
<span class="c1"># Use the p_to_p vector (between the two colliding pucks) as projection target for </span>
<span class="c1"># normal calculation.</span>
<span class="c1"># The calculate velocity components along and perpendicular to the normal.</span>
<span class="n">puck_normal_2d_mps</span> <span class="o">=</span> <span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span><span class="o">.</span><span class="n">projection_onto</span><span class="p">(</span><span class="n">puck_to_puck_2d_m</span><span class="p">)</span>
<span class="n">puck_tangent_2d_mps</span> <span class="o">=</span> <span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span><span class="o">.</span><span class="n">projection_onto</span><span class="p">(</span><span class="n">tanget_p_to_p_2d_m</span><span class="p">)</span>
<span class="n">otherpuck_normal_2d_mps</span> <span class="o">=</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">vel_2d_mps</span><span class="o">.</span><span class="n">projection_onto</span><span class="p">(</span><span class="n">puck_to_puck_2d_m</span><span class="p">)</span>
<span class="n">otherpuck_tangent_2d_mps</span> <span class="o">=</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">vel_2d_mps</span><span class="o">.</span><span class="n">projection_onto</span><span class="p">(</span><span class="n">tanget_p_to_p_2d_m</span><span class="p">)</span>
<span class="n">relative_normal_vel_2d_mps</span> <span class="o">=</span> <span class="n">otherpuck_normal_2d_mps</span> <span class="o">-</span> <span class="n">puck_normal_2d_mps</span>
<span class="k">if</span> <span class="n">correct_for_puck_penetration</span><span class="p">:</span>
<span class="c1"># Back out a total of 2x of the penetration along the normal. Back-out amounts for each puck is </span>
<span class="c1"># based on the velocity of each puck time 2DT where DT is the time of penetration. DT is calculated</span>
<span class="c1"># from the relative speed and the penetration distance.</span>
<span class="n">relative_normal_spd_mps</span> <span class="o">=</span> <span class="n">relative_normal_vel_2d_mps</span><span class="o">.</span><span class="n">length</span><span class="p">()</span>
<span class="n">penetration_m</span> <span class="o">=</span> <span class="p">(</span><span class="n">puck</span><span class="o">.</span><span class="n">radius_m</span> <span class="o">+</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">radius_m</span><span class="p">)</span> <span class="o">-</span> <span class="n">p_to_p_m2</span><span class="o">**</span><span class="mf">0.5</span>
<span class="k">if</span> <span class="p">(</span><span class="n">relative_normal_spd_mps</span> <span class="o">></span> <span class="mf">0.00001</span><span class="p">):</span>
<span class="n">penetration_time_s</span> <span class="o">=</span> <span class="n">penetration_m</span> <span class="o">/</span> <span class="n">relative_normal_spd_mps</span>
<span class="n">penetration_time_scaler</span> <span class="o">=</span> <span class="mf">1.0</span> <span class="c1"># This can be useful for testing to amplify and see the correction.</span>
<span class="c1"># First, reverse the two pucks, to their collision point, along their incoming trajectory paths.</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">=</span> <span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">-</span> <span class="p">(</span><span class="n">puck_normal_2d_mps</span> <span class="o">*</span> <span class="p">(</span><span class="n">penetration_time_scaler</span> <span class="o">*</span> <span class="n">penetration_time_s</span><span class="p">))</span>
<span class="n">otherpuck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">=</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">-</span> <span class="p">(</span><span class="n">otherpuck_normal_2d_mps</span> <span class="o">*</span> <span class="p">(</span><span class="n">penetration_time_scaler</span> <span class="o">*</span> <span class="n">penetration_time_s</span><span class="p">))</span>
<span class="c1"># Calculate the velocities along the normal AFTER the collision. Use a CR (coefficient of restituion)</span>
<span class="c1"># of 1 here to better avoid stickiness.</span>
<span class="n">CR_puck</span> <span class="o">=</span> <span class="mi">1</span>
<span class="n">puck_normal_AFTER_mps</span><span class="p">,</span> <span class="n">otherpuck_normal_AFTER_mps</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">AandB_normal_AFTER_2d_mps</span><span class="p">(</span> <span class="n">puck_normal_2d_mps</span><span class="p">,</span> <span class="n">puck</span><span class="o">.</span><span class="n">mass_kg</span><span class="p">,</span> <span class="n">otherpuck_normal_2d_mps</span><span class="p">,</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">mass_kg</span><span class="p">,</span> <span class="n">CR_puck</span><span class="p">)</span>
<span class="c1"># Finally, travel another penetration time worth of distance using these AFTER-collision velocities.</span>
<span class="c1"># This will put the pucks where they should have been at the time of collision detection.</span>
<span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">=</span> <span class="n">puck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">+</span> <span class="p">(</span><span class="n">puck_normal_AFTER_mps</span> <span class="o">*</span> <span class="p">(</span><span class="n">penetration_time_scaler</span> <span class="o">*</span> <span class="n">penetration_time_s</span><span class="p">))</span>
<span class="n">otherpuck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">=</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">pos_2d_m</span> <span class="o">+</span> <span class="p">(</span><span class="n">otherpuck_normal_AFTER_mps</span> <span class="o">*</span> <span class="p">(</span><span class="n">penetration_time_scaler</span> <span class="o">*</span> <span class="n">penetration_time_s</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">pass</span>
<span class="c1">#print "small relative speed"</span>
<span class="c1">#self.g_2d_mps2 = self.gOFF_mps2</span>
<span class="c1"># for puck in self.pucks:</span>
<span class="c1"># puck.vel_2d_mps = Vec2D(0,0)</span>
<span class="c1"># Assign the AFTER velocities (using the actual CR here) to the puck for use in the next frame calculation.</span>
<span class="n">CR_puck</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coef_rest_puck</span>
<span class="n">puck_normal_AFTER_mps</span><span class="p">,</span> <span class="n">otherpuck_normal_AFTER_mps</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">AandB_normal_AFTER_2d_mps</span><span class="p">(</span> <span class="n">puck_normal_2d_mps</span><span class="p">,</span> <span class="n">puck</span><span class="o">.</span><span class="n">mass_kg</span><span class="p">,</span> <span class="n">otherpuck_normal_2d_mps</span><span class="p">,</span> <span class="n">otherpuck</span><span class="o">.</span><span class="n">mass_kg</span><span class="p">,</span> <span class="n">CR_puck</span><span class="p">)</span>
<span class="c1"># Now that we're done using the current values, set them to the newly calculated AFTERs.</span>
<span class="n">puck_normal_2d_mps</span><span class="p">,</span> <span class="n">otherpuck_normal_2d_mps</span> <span class="o">=</span> <span class="n">puck_normal_AFTER_mps</span><span class="p">,</span> <span class="n">otherpuck_normal_AFTER_mps</span>
<span class="c1"># Add the components back together to get total velocity vectors for each puck.</span>
<span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">=</span> <span class="n">puck_normal_2d_mps</span> <span class="o">+</span> <span class="n">puck_tangent_2d_mps</span>
<span class="n">otherpuck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">=</span> <span class="n">otherpuck_normal_2d_mps</span> <span class="o">+</span> <span class="n">otherpuck_tangent_2d_mps</span>
<span class="k">def</span> <span class="nf">normal_AFTER_2d_mps</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">A_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">A_mass_kg</span><span class="p">,</span> <span class="n">B_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">B_mass_kg</span><span class="p">,</span> <span class="n">CR_puck</span><span class="p">):</span>
<span class="c1"># For inputs as defined here, this returns the AFTER normal for the first puck in the inputs. So if B</span>
<span class="c1"># is first, it returns the result for the B puck.</span>
<span class="n">relative_normal_vel_2d_mps</span> <span class="o">=</span> <span class="n">B_normal_BEFORE_2d_mps</span> <span class="o">-</span> <span class="n">A_normal_BEFORE_2d_mps</span>
<span class="k">return</span> <span class="p">(</span> <span class="p">(</span> <span class="p">(</span><span class="n">relative_normal_vel_2d_mps</span> <span class="o">*</span> <span class="p">(</span><span class="n">CR_puck</span> <span class="o">*</span> <span class="n">B_mass_kg</span><span class="p">))</span> <span class="o">+</span>
<span class="p">(</span><span class="n">A_normal_BEFORE_2d_mps</span> <span class="o">*</span> <span class="n">A_mass_kg</span> <span class="o">+</span> <span class="n">B_normal_BEFORE_2d_mps</span> <span class="o">*</span> <span class="n">B_mass_kg</span><span class="p">)</span> <span class="p">)</span> <span class="o">/</span>
<span class="p">(</span><span class="n">A_mass_kg</span> <span class="o">+</span> <span class="n">B_mass_kg</span><span class="p">)</span> <span class="p">)</span>
<span class="k">def</span> <span class="nf">AandB_normal_AFTER_2d_mps</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">A_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">A_mass_kg</span><span class="p">,</span> <span class="n">B_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">B_mass_kg</span><span class="p">,</span> <span class="n">CR_puck</span><span class="p">):</span>
<span class="n">A</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">normal_AFTER_2d_mps</span><span class="p">(</span><span class="n">A_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">A_mass_kg</span><span class="p">,</span> <span class="n">B_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">B_mass_kg</span><span class="p">,</span> <span class="n">CR_puck</span><span class="p">)</span>
<span class="c1"># Make use of the symmetry in the physics to calculate the B normal (put the B data in the first inputs).</span>
<span class="n">B</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">normal_AFTER_2d_mps</span><span class="p">(</span><span class="n">B_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">B_mass_kg</span><span class="p">,</span> <span class="n">A_normal_BEFORE_2d_mps</span><span class="p">,</span> <span class="n">A_mass_kg</span><span class="p">,</span> <span class="n">CR_puck</span><span class="p">)</span>
<span class="k">return</span> <span class="n">A</span><span class="p">,</span> <span class="n">B</span>
<span class="k">class</span> <span class="nc">Environment</span><span class="p">:</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">screenSize_px</span><span class="p">,</span> <span class="n">length_x_m</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">screenSize_px</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="n">screenSize_px</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">viewOffset_px</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">viewCenter_px</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span> <span class="o">=</span> <span class="mi">1</span>
<span class="bp">self</span><span class="o">.</span><span class="n">viewZoom_rate</span> <span class="o">=</span> <span class="mf">0.01</span>
<span class="bp">self</span><span class="o">.</span><span class="n">px_to_m</span> <span class="o">=</span> <span class="n">length_x_m</span><span class="o">/</span><span class="nb">float</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">screenSize_px</span><span class="o">.</span><span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">m_to_px</span> <span class="o">=</span> <span class="p">(</span><span class="nb">float</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">screenSize_px</span><span class="o">.</span><span class="n">x</span><span class="p">)</span><span class="o">/</span><span class="n">length_x_m</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">client_colors</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'C1'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"orangered1"</span><span class="p">],</span><span class="s1">'C2'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"tan"</span><span class="p">],</span><span class="s1">'C3'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"cyan"</span><span class="p">],</span><span class="s1">'C4'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"blue"</span><span class="p">],</span>
<span class="s1">'C5'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"pink"</span><span class="p">],</span> <span class="s1">'C6'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"red"</span><span class="p">],</span><span class="s1">'C7'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"coral"</span><span class="p">],</span><span class="s1">'C8'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"green"</span><span class="p">],</span>
<span class="s1">'C9'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"grey80"</span><span class="p">],</span><span class="s1">'C10'</span><span class="p">:</span> <span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"rosybrown3"</span><span class="p">]}</span>
<span class="c1"># Add a local (non-network) client to the client dictionary.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">clients</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'local'</span><span class="p">:</span><span class="n">Client</span><span class="p">(</span><span class="n">THECOLORS</span><span class="p">[</span><span class="s2">"green"</span><span class="p">])}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">time_s</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">def</span> <span class="nf">remove_healthless_clients</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Make a list of terminal clients.</span>
<span class="c1">#print len(air_table.pucks), len(air_table.controlled_pucks)</span>
<span class="n">spent_client_names</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">thisclient_name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">thisclient_name</span><span class="p">]</span><span class="o">.</span><span class="n">bullet_hit_count</span> <span class="o">></span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="n">thisclient_name</span><span class="p">]</span><span class="o">.</span><span class="n">bullet_hit_limit</span><span class="p">:</span>
<span class="n">spent_client_names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="n">thisclient_name</span><span class="p">)</span>
<span class="c1"># Reset so don't keep trying to delete it.</span>
<span class="c1">#self.clients[thisclient_name].bullet_hit_count = 0</span>
<span class="n">pucks_list_copy</span> <span class="o">=</span> <span class="n">air_table</span><span class="o">.</span><span class="n">pucks</span><span class="p">[:]</span>
<span class="k">for</span> <span class="n">puck</span> <span class="ow">in</span> <span class="n">pucks_list_copy</span><span class="p">:</span>
<span class="k">if</span> <span class="n">puck</span><span class="o">.</span><span class="n">client_name</span> <span class="ow">in</span> <span class="n">spent_client_names</span><span class="p">:</span>
<span class="c1"># Had to put this check in to prevent server crash on simultaneous death bullets between two clients.</span>
<span class="c1"># Don't yet understand why this is necessary.</span>
<span class="k">if</span> <span class="p">(</span><span class="n">puck</span> <span class="ow">in</span> <span class="n">air_table</span><span class="o">.</span><span class="n">controlled_pucks</span><span class="p">):</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">controlled_pucks</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span> <span class="n">puck</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="nb">print</span> <span class="n">puck</span><span class="o">.</span><span class="n">client_name</span><span class="p">,</span> <span class="s2">"puck not in the controlled puck list."</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">pucks</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span> <span class="n">puck</span><span class="p">)</span>
<span class="k">for</span> <span class="n">spent_client</span> <span class="ow">in</span> <span class="n">spent_client_names</span><span class="p">:</span>
<span class="c1"># Remove client from client dictionary</span>
<span class="k">if</span> <span class="p">(</span><span class="n">spent_client</span> <span class="o">!=</span> <span class="s1">'local'</span><span class="p">):</span>
<span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span> <span class="n">spent_client</span><span class="p">]</span>
<span class="k">del</span> <span class="n">pucks_list_copy</span>
<span class="c1"># Convert from meters to pixels </span>
<span class="k">def</span> <span class="nf">px_from_m</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dx_m</span><span class="p">):</span>
<span class="k">return</span> <span class="n">dx_m</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">m_to_px</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span>
<span class="c1"># Convert from pixels to meters</span>
<span class="c1"># Note: still floating values here)</span>
<span class="k">def</span> <span class="nf">m_from_px</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dx_px</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">float</span><span class="p">(</span><span class="n">dx_px</span><span class="p">)</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">px_to_m</span> <span class="o">/</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span>
<span class="k">def</span> <span class="nf">control_zoom_and_view</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="s1">'local'</span><span class="p">]</span><span class="o">.</span><span class="n">key_h</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom_rate</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="s1">'local'</span><span class="p">]</span><span class="o">.</span><span class="n">key_n</span> <span class="o">==</span> <span class="s2">"D"</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span> <span class="o">-=</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom_rate</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span>
<span class="k">def</span> <span class="nf">ConvertScreenToWorld</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">point_2d_px</span><span class="p">):</span>
<span class="c1">#self.viewOffset_px = self.viewCenter_px</span>
<span class="n">x_m</span> <span class="o">=</span> <span class="p">(</span> <span class="n">point_2d_px</span><span class="o">.</span><span class="n">x</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewOffset_px</span><span class="o">.</span><span class="n">x</span><span class="p">)</span> <span class="o">/</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">m_to_px</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span><span class="p">)</span>
<span class="n">y_m</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">screenSize_px</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">point_2d_px</span><span class="o">.</span><span class="n">y</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewOffset_px</span><span class="o">.</span><span class="n">y</span><span class="p">)</span> <span class="o">/</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">m_to_px</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span><span class="p">)</span>
<span class="k">return</span> <span class="n">Vec2D</span><span class="p">(</span> <span class="n">x_m</span><span class="p">,</span> <span class="n">y_m</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">ConvertWorldToScreen</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">point_2d_m</span><span class="p">):</span>
<span class="w"> </span><span class="sd">"""</span>
<span class="sd"> Convert from world to screen coordinates (pixels).</span>
<span class="sd"> In the class instance, we store a zoom factor, an offset indicating where</span>
<span class="sd"> the view extents start at, and the screen size (in pixels).</span>
<span class="sd"> """</span>
<span class="c1"># self.viewOffset = self.viewCenter - self.screenSize_px/2</span>
<span class="c1">#self.viewOffset = self.viewCenter_px</span>
<span class="n">x_px</span> <span class="o">=</span> <span class="p">(</span><span class="n">point_2d_m</span><span class="o">.</span><span class="n">x</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">m_to_px</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span><span class="p">)</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewOffset_px</span><span class="o">.</span><span class="n">x</span>
<span class="n">y_px</span> <span class="o">=</span> <span class="p">(</span><span class="n">point_2d_m</span><span class="o">.</span><span class="n">y</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">m_to_px</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewZoom</span><span class="p">)</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">viewOffset_px</span><span class="o">.</span><span class="n">y</span>
<span class="n">y_px</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">screenSize_px</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">y_px</span>
<span class="c1"># Return a tuple of integers.</span>
<span class="k">return</span> <span class="n">Vec2D</span><span class="p">(</span><span class="n">x_px</span><span class="p">,</span> <span class="n">y_px</span><span class="p">,</span> <span class="s2">"int"</span><span class="p">)</span><span class="o">.</span><span class="n">tuple</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">get_local_user_input</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">local_user</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">clients</span><span class="p">[</span><span class="s1">'local'</span><span class="p">]</span>
<span class="c1"># Get all the events since the last call to get().</span>
<span class="k">for</span> <span class="n">event</span> <span class="ow">in</span> <span class="n">pygame</span><span class="o">.</span><span class="n">event</span><span class="o">.</span><span class="n">get</span><span class="p">():</span>
<span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">QUIT</span><span class="p">):</span>
<span class="n">sys</span><span class="o">.</span><span class="n">exit</span><span class="p">()</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">KEYDOWN</span><span class="p">):</span>
<span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span> <span class="o">==</span> <span class="n">K_ESCAPE</span><span class="p">):</span>
<span class="n">sys</span><span class="o">.</span><span class="n">exit</span><span class="p">()</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_1</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">1</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_2</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">2</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_3</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">3</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_4</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">4</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_5</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">5</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_6</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">6</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_7</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">7</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_8</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">8</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_9</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">9</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_0</span><span class="p">):</span>
<span class="k">return</span> <span class="mi">0</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_c</span><span class="p">):</span>
<span class="c1"># Toggle color option.</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">color_transfer</span> <span class="o">=</span> <span class="ow">not</span> <span class="n">air_table</span><span class="o">.</span><span class="n">color_transfer</span>
<span class="c1">#form['ColorTransfer'].value = air_table.color_transfer</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_f</span><span class="p">):</span>
<span class="k">for</span> <span class="n">puck</span> <span class="ow">in</span> <span class="n">air_table</span><span class="o">.</span><span class="n">pucks</span><span class="p">:</span>
<span class="n">puck</span><span class="o">.</span><span class="n">vel_2d_mps</span> <span class="o">=</span> <span class="n">Vec2D</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_g</span><span class="p">):</span>
<span class="k">if</span> <span class="n">air_table</span><span class="o">.</span><span class="n">g_ON</span><span class="p">:</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">g_2d_mps2</span> <span class="o">=</span> <span class="n">air_table</span><span class="o">.</span><span class="n">gOFF_mps2</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">coef_rest_puck</span> <span class="o">=</span> <span class="mf">1.00</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">coef_rest_table</span> <span class="o">=</span> <span class="mf">1.00</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">g_2d_mps2</span> <span class="o">=</span> <span class="n">air_table</span><span class="o">.</span><span class="n">gON_mps2</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">coef_rest_puck</span> <span class="o">=</span> <span class="mf">0.90</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">coef_rest_table</span> <span class="o">=</span> <span class="mf">0.90</span>
<span class="n">air_table</span><span class="o">.</span><span class="n">g_ON</span> <span class="o">=</span> <span class="ow">not</span> <span class="n">air_table</span><span class="o">.</span><span class="n">g_ON</span>
<span class="nb">print</span> <span class="s2">"g"</span><span class="p">,</span> <span class="n">air_table</span><span class="o">.</span><span class="n">g_ON</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_F2</span><span class="p">):</span>
<span class="c1"># Toggle menu on/off</span>
<span class="c1">#air_table.gui_menu = not air_table.gui_menu</span>
<span class="k">pass</span>
<span class="c1"># Jet keys</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_a</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_a</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_s</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_s</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_d</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_d</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_w</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_w</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="c1"># Gun keys</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_j</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_j</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_k</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_k</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_l</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_l</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_i</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_i</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_SPACE</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_space</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="c1"># Zoom keys</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_b</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_b</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_n</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_n</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_m</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">m</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_h</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_h</span> <span class="o">=</span> <span class="s1">'D'</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="s2">"nothing set up for this key"</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">pygame</span><span class="o">.</span><span class="n">KEYUP</span><span class="p">):</span>
<span class="c1"># Jet keys</span>
<span class="k">if</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_a</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_a</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_s</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_s</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_d</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_d</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_w</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_w</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="c1"># Gun keys</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_j</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_j</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_k</span><span class="p">):</span>
<span class="n">local_user</span><span class="o">.</span><span class="n">key_k</span> <span class="o">=</span> <span class="s1">'U'</span>
<span class="k">elif</span> <span class="p">(</span><span class="n">event</span><span class="o">.</span><span class="n">key</span><span class="o">==</span><span class="n">K_l</span><span class="p">):</span>