/
demo_band_limited.clj
169 lines (132 loc) · 4.35 KB
/
demo_band_limited.clj
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
(ns pink.demo.demo-band-limited
(:require [pink.simple :refer :all]
[pink.event :refer :all]
[pink.space :refer [pan]]
[pink.oscillators :refer :all]
[pink.envelopes :refer [env xar adsr]]
[pink.util :refer [mul sum let-s with-duration]]
[pink.node :refer :all]
[pink.filters :refer :all]
[pink.delays :refer [adelay]]
))
(defn instr-saw
[amp freq loc]
(let-s [e (xar 0.01 1.0)]
(pan
(mul e
(lpf18 (sum
(blit-saw freq)
(blit-saw (sum 0.873 freq))
(blit-saw (sum -0.95117 freq)))
(sum 4000 (mul e 2000))
0.6 0.1)
;(butterlp (blit-saw freq)
; (sum 100 (mul e 400)))
)
loc)))
(defn instr-square
[amp freq loc]
(let-s [e (xar 0.01 1.0)]
(pan
(mul e amp
(butterlp (blit-square freq)
(sum 100 (mul e 400))))
loc)))
(defn instr-triangle
[amp freq loc]
(let-s [e (if (fn? amp)
amp
(mul amp (env [0.0 0.0 0.1 1.0 3.0 1.0 0.1 0.0])))]
(->
(blit-triangle freq)
;(butterlp (sum 100 (mul e 400)))
(mul e)
(pan loc))))
(defn vox-humana
[amp ^double freq ^double loc]
(let [pulse-freq (mul freq (sum 1.0004 (lfo 0.013 3.5 :triangle)))
pulse-width (sum 0.625 (lfo 0.125 5.72 :triangle))
saw-freq (mul freq (sum 1 (lfo 0.021 5.04 :triangle)))
key-follow (+ 1 (Math/exp (/ (- freq 50.0) 10000.0))) ]
(let-s [e (if (fn? amp)
amp
(mul amp (env [0.0 0.0 0.1 1.0 3.0 1.0 0.1 0.0])))]
(->
(sum (blit-saw saw-freq)
(blit-pulse pulse-freq pulse-width))
(butterlp (* key-follow 1986))
(mul e 0.5)
(pan loc)))))
;(def a (instr-saw 0.1 440 0.0))
;(def b (blit-saw 440))
;(require '[no.disassemble :refer :all])
;(println (disassemble b))
;(require '[clojure.pprint :refer [pprint]])
;(pprint (a))
(comment
(start-engine)
(def root-node (create-node :channels 2))
(add-afunc (node-processor root-node))
;(def root-node (create-node :channels 1))
;(def delayed-audio-node
; (let-s [afn (node-processor root-node)]
; (sum afn (adelay afn 0.25))))
;(engine-add-afunc e delayed-audio-node)
(def my-score
(let [num-notes 10]
(node-events root-node
(map #(event instr-saw (* % 0.25)
(/ 0.75 (+ 1 %))
(* 220 (+ 1 %))
(- (* 2 (/ % (- num-notes 1))) 1))
(range num-notes)))))
(add-events my-score)
(node-add-func
root-node
(instr-saw 0.25 (env [0.0 220 0.1 200 0.0001 220 0.1 500]) 0.0))
(def my-score2
(let [num-notes 10]
(node-events root-node
(map #(event instr-square (* % 0.5)
(/ 0.75 (+ 1 %))
(* 65 (+ 1 %))
(- (* 2 (/ % (- num-notes 1))) 1))
(range num-notes)))))
(add-events my-score2)
(node-add-func
root-node
(instr-square 0.5 (env [0.0 200 0.05 40 0.4 40]) 0.0))
(node-add-func
root-node
(instr-square 0.5 440 0.0))
(node-add-func
root-node
(instr-triangle 0.5 1100 0.0))
(add-afunc
(with-duration 1.0
(mul (adsr 0.01 0.0 1.0 2.0) 0.5
(blit-triangle (env [0.0 200 4.0 800]) ))))
(node-add-func
root-node
(instr-triangle 0.5
(env [0.0 200 4.0 800]) 0.0))
(node-add-func
root-node
(instr-triangle (mul 0.5 (xar 0.01 1.0)) (env [0.0 200 0.05 40 0.4 40]) 0.0))
(add-afunc
(with-duration 8.0
(vox-humana (mul 0.5 (adsr 0.453 0.0 1.0 2.242)) 440 0.0)))
(add-afunc
(with-duration 8.0
(vox-humana (mul 0.5 (adsr 0.453 0.0 1.0 2.242)) 880 0.0)))
(def my-score3
(let [num-notes 10]
(node-events root-node
(map #(event instr-triangle (* % 0.5)
(/ 0.75 (+ 1 %))
(* 65 (+ 1 %))
(- (* 2 (/ % (- num-notes 1))) 1))
(range num-notes)))))
(add-events my-score3)
(stop-engine)
)