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Created August 31, 2014 17:22
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// by david >:)
int[][] result;
float t;
float ease(float p) {
return 3*p*p - 2*p*p*p;
}
float ease(float p, float g) {
if (p < 0.5)
return 0.5 * pow(2*p, g);
else
return 1 - 0.5 * pow(2*(1 - p), g);
}
float mn = .5*sqrt(3);
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 |
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("g###.gif");
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 32;
int numFrames = 200;
float shutterAngle = .5;
boolean recording = false;
void setup_() {
size(500, 500, P3D);
smooth(8);
fill(0);
noStroke();
}
float x, y, z, tt;
int N = 64;
float d;
float r = 130;
float th, ph, tw;
void draw_() {
background(255);
pushMatrix();
translate(width/2, height/2);
rotate(HALF_PI);
for (int a=0; a<9; a++) {
pushMatrix();
tt = t - 0.005*a;
d = 5*exp(-.1*a);
tw = PI*1.8*cos(TWO_PI*tt);
rotateY(TWO_PI*tt-PI*2/3);
for (int i=0; i<N; i++) {
th = (i+N/2*tt)*TWO_PI/N;
x = r*cos(th);
ph = cos(th)*tw;
y = r*sin(th)*cos(ph);
z = r*sin(th)*sin(ph);
pushMatrix();
translate(x, y, z);
rotateY(-TWO_PI*tt+PI*2/3);
ellipse(0, 0, d, d);
popMatrix();
}
popMatrix();
}
popMatrix();
}
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