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Created July 13, 2014 11:39
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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 = 8;
int numFrames = 120;
float shutterAngle = .75;
boolean recording = false;
void setup_() {
size(500, 500, P2D);
smooth(8);
noStroke();
}
color[] cols = {
#ee4411, #55bb66, #3300cc
};
void diam() {
beginShape();
vertex(0, .1);
vertex(r*mn, -r*.5);
vertex(0, -r);
vertex(-r*mn, -r*.5);
endShape(CLOSE);
}
float r = 24;
float x, y, sp = 3.725*r;
float tt;
float t1, t2;
int N = 8;
float mn = .5*sqrt(3);
void cube(float q) {
for (int i=0; i<3; i++) {
pushMatrix();
rotate((i+.5)*TWO_PI/3);
translate(0, (-sp*2/3*mn + r)*(1-q));
fill(cols[i]);
diam();
popMatrix();
}
}
void draw_() {
background(248);
pushMatrix();
translate(width/2, height/2);
for (int i=-N; i<=N; i++) {
for (int j=-N; j<=N; j++) {
x = i*sp;
y = j*mn*sp + sp*mn*2/3*t;
if (j%2 != 0)
x += sp*.5;
tt = constrain(1.5*t - 0.001*dist(x,y,0,0) - 0.1,0,1);
t1 = constrain(1.1*tt, 0, 1);
t2 = constrain(1.1*tt - 0.1, 0, 1);
t1 = pow(t1, .9);
t2 = pow(t2, 1.1);
t1 = 3*t1*t1 - 2*t1*t1*t1;
t2 = .5*t2 + 1.5*t2*t2 - t2*t2*t2;
pushMatrix();
translate(x, y);
rotate(PI*t2);
cube(t1);
popMatrix();
}
}
popMatrix();
}
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