Created
July 20, 2014 01:19
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Save anonymous/264a67a0a89b22d5690d to your computer and use it in GitHub Desktop.
spinning things: https://twitter.com/beesandbombs/status/490665010566545408
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int[][] result; | |
float t; | |
void setup() { | |
setup_(); | |
result = new int[width*height][3]; | |
} | |
void draw() { | |
if(!recording){ | |
t = mouseX*1.0/width; | |
draw_(); | |
} | |
else { | |
for (int i=0; i<width*height; i++) | |
for (int a=0; a<3; a++) | |
result[i][a] = 0; | |
for (int sa=0; sa<samplesPerFrame; sa++) { | |
t = map(frameCount-1 + sa*shutterAngle/samplesPerFrame, 0, numFrames, 0, 1); | |
draw_(); | |
loadPixels(); | |
for (int i=0; i<pixels.length; i++) { | |
result[i][0] += pixels[i] >> 16 & 0xff; | |
result[i][1] += pixels[i] >> 8 & 0xff; | |
result[i][2] += pixels[i] & 0xff; | |
} | |
} | |
loadPixels(); | |
for (int i=0; i<pixels.length; i++) | |
pixels[i] = 0xff << 24 | (result[i][0]/samplesPerFrame) << 16 | | |
(result[i][1]/samplesPerFrame) << 8 | (result[i][2]/samplesPerFrame); | |
updatePixels(); | |
saveFrame("f###.gif"); | |
if (frameCount==numFrames) | |
exit(); | |
} | |
} | |
////////////////////////////////////////////////////////////////////////////// | |
int samplesPerFrame = 32; | |
int numFrames = 120; | |
float shutterAngle = .7; | |
boolean recording = true; | |
void setup_() { | |
size(800,500); | |
smooth(8); | |
noStroke(); | |
} | |
int N = 12, n = 8; | |
float dmax = 948, d; | |
float tt; | |
void draw_() { | |
tt = 3*t*t - 2*t*t*t; | |
tt = 3*tt*tt - 2*tt*tt*tt; | |
background(#ffffff); | |
pushMatrix(); | |
translate(width/2, height/2); | |
for(int i=0; i<N; i++){ | |
d = map(i,0,N,dmax,0); | |
fill(#c0deed); | |
ellipse(0,0,d-1.5,d-1.5); | |
fill(#ffffff); | |
for(int j=0; j<n; j++){ | |
arc(0,0,d,d,TWO_PI*(j+i*tt+.25)/n,TWO_PI*(j+i*tt+.75)/n); | |
} | |
} | |
popMatrix(); | |
} |
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