-
Notifications
You must be signed in to change notification settings - Fork 0
/
snakeDrawer.py
151 lines (120 loc) · 4.96 KB
/
snakeDrawer.py
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
import pyglet
import numpy as np
from numpy import array as ar
from openGLSetter import *
class SegmentDrawer:
def __init__(self,snake,batch,i,of,s,col,fillSeg = True,nVert=5):
self.batch = batch
self.minMaxAlpha = (128,255)
self.lw = s*0.1
self.fillSeg = fillSeg
self.col0 = col
self.col1 = col
self.s = s
self.offset = of
self.idx = i
self.snake = snake
self.oldSnakeLength = len(self.snake)
self.posi = self.snake[self.idx]
self.oldPosi = np.copy(self.posi)
self.nVertexPerCircle = nVert+1
self.ini_makeVertices()
self.updateAlpha()
def __del__(self):
if self.fillSeg:
self.fill.delete()
self.contours.delete()
def ini_makeVertices(self):
self.preCalcVal = self.ini_preCalCosSin(rot = (len(self.snake) - self.idx)**.5)
l = self.calcCircleVert()
c0 = self.col0 * (len(l)/2)
c1 = self.col1 * (len(l)/2)
idxLines = [i for i in range(len(l)/2) for _ in range(2)][1:len(l)-1]
self.contours = self.batch.add_indexed(len(l)/2,pyglet.gl.GL_LINES,None,idxLines,('v2f',l),('c4B',c0))
if self.fillSeg :
idxTriangles = [j for i in range(1,len(l)/2-1) for j in [0,i,i+1] ]
self.fill = self.batch.add_indexed(len(l)/2,pyglet.gl.GL_TRIANGLES,None,idxTriangles,('v2f',l),('c4B',c1))
def updateAlpha(self):
pl = self.idx * 1.0 / len(self.snake)
return int(self.minMaxAlpha[1] - (self.minMaxAlpha[1]-self.minMaxAlpha[0]) * pl)
def calcCircleVert(self):
xy =self.posi * self.s
l = list((self.preCalcVal + xy).reshape(self.nVertexPerCircle*2))
return l
def ini_preCalCosSin(self,rot = 0):
a = np.linspace( 0, np.pi*2,self.nVertexPerCircle )
co = np.cos(a + rot)*self.s/2+self.offset[0]
si = np.sin(a + rot)*self.s/2+self.offset[1]
return np.vstack([co,si]).transpose()
def update(self):
self.posi = self.snake[self.idx]
if np.any(self.oldPosi != self.posi):
v = self.calcCircleVert()
self.contours.vertices = v
if self.fillSeg:
self.fill.vertices = v
if self.oldSnakeLength != len(self.snake):
col = (self.col0[0:3] + (self.updateAlpha(),))*(self.nVertexPerCircle)
if self.fillSeg:
self.fill.colors[:] = col
self.oldPosi = np.copy(self.posi)
self.oldSnakeLength = len(self.snake)
class HeadSegmentDrawer(SegmentDrawer):
def __init__(self,snake,batch,i,of,s,col):
SegmentDrawer.__init__(self,snake,batch,i,of,s,col,True,nVert = 32)
self.minMaxAlpha = (132,132)
self.lw = s*0.2
l = self.calcAntenaVert()
c0 = self.col0 * (len(l)/2)
self.anten = self.batch.add(len(l)/2,pyglet.gl.GL_LINE_STRIP,None,('v2f',l),('c4B',c0))
def __del__(self):
self.anten.delete()
SegmentDrawer.__del__(self)
def calcAntenaVert(self):
xy =self.posi * self.s + self.offset
d = self.snake.direc
rotMat = np.vstack([d,d[::-1]])
v = ar([self.s,0.5*self.s])
w = ar([self.s,-0.5*self.s])
vv = xy + np.dot(rotMat,v)
ww = xy + np.dot(rotMat,w)
r = np.vstack([vv,xy,ww]).reshape(6)
return list(r)
def update(self):
self.posi = self.snake[self.idx]
self.anten.vertices = self.calcAntenaVert()
if np.any(self.oldPosi != self.posi):
v = self.calcCircleVert()
self.contours.vertices = v
SegmentDrawer.update(self)
class SnakeDrawer:
def __init__(self,snake,of,s,col):
self.snake = snake
self.of = of
self.s = s
self.col = col
self.oldLength = len(snake)
self.segments = list()
self.batch = pyglet.graphics.Batch()
for i in range(len(snake)):
if i < 1 :
self.segments.append(HeadSegmentDrawer(snake,self.batch,i,self.of,self.s,self.col) )
else:
self.segments.append(SegmentDrawer(snake,self.batch,i,self.of,self.s,self.col))
def render(self):
diff = self.oldLength - len(self.snake)
if diff > 0:
len(self.snake)
for i in range(diff):
self.segments.pop()
elif diff < 0:
for i in range(self.oldLength,len(self.snake)):
if i < 1 :
self.segments.append(HeadSegmentDrawer(self.snake,self.batch,i,self.of,self.s,self.col) )
else:
#~ pass
self.segments.append(SegmentDrawer(self.snake,self.batch,i,self.of,self.s,self.col) )
for d in self.segments:
d.update()
self.oldLength = len(self.snake)
self.batch.draw()