Created
September 13, 2017 13:27
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# Rewriting this this in python: | |
# https://gist.github.com/beesandbombs/2abe9464e2f43e75807879036a1962ca | |
import math | |
recording = False | |
result = None | |
N = 16 | |
ia = math.atan(math.sqrt(.5)) | |
samplesPerFrame = 4 | |
numFrames = 136 | |
shutterAngle = .6 | |
def setup(): | |
global result, recording | |
pixelDensity(1 if recording else 2) | |
result = [[0 for j in range(3)] for x in range(width*height)] | |
size(720, 720, P3D); | |
smooth(8) | |
rectMode(CENTER) | |
colorMode(HSB, 1) | |
noFill() | |
strokeWeight(1.5) | |
def push(): | |
pushMatrix() | |
pushStyle() | |
def pop(): | |
popStyle() | |
popMatrix() | |
def _draw(t, c): | |
background(0); | |
push() | |
translate(width / 2, height / 2) | |
rotateX(-ia) | |
rotateY(QUARTER_PI) | |
for i in range(0, N): | |
stroke((i / float(N) + t) % 1, 1, 1) | |
push() | |
rotateY(QUARTER_PI * sin(TWO_PI * t - .75 * PI * i / N)) | |
box(80 + 15 * i) | |
pop() | |
pop() | |
def draw(): | |
global recording, result | |
if recording: | |
for i in range(0, width * height): | |
for a in range(0, 3): | |
result[i][a] = 0 | |
c = 0; | |
for sa in range(0, samplesPerFrame): | |
t = map(frameCount - 1 + sa * shutterAngle / samplesPerFrame, 0, numFrames, 0, 1) | |
_draw(t, c); | |
loadPixels(); | |
for i in range(0, len(pixels)): | |
result[i][0] += pixels[i] >> 16 & 0xff | |
result[i][1] += pixels[i] >> 8 & 0xff | |
result[i][2] += pixels[i] & 0xff | |
loadPixels(); | |
for i in range(0, len(pixels)): | |
pixels[i] = 0xff << 24 | \ | |
int(result[i][0] * 1.0 / samplesPerFrame) << 16 | \ | |
int(result[i][1] * 1.0 / samplesPerFrame) << 8 | \ | |
int(result[i][2] * 1.0 / samplesPerFrame); | |
updatePixels() | |
saveFrame("f###.gif") | |
if frameCount == numFrames: | |
exit() | |
else: | |
t = mouseX * 1.0 / width; | |
c = mouseY * 1.0 / height; | |
_draw(t, c); |
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