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- int[][] result;
- float t, c;
- 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), ia = atan(sqrt(.5));
- void push() {
- pushMatrix();
- pushStyle();
- }
- void pop() {
- popStyle();
- popMatrix();
- }
- float c01(float g) {
- return constrain(g, 0, 1);
- }
- void draw() {
- if (!recording) {
- t = mouseX*1.0/width;
- c = mouseY*1.0/height;
- if (mousePressed)
- println(c);
- draw_();
- } else {
- for (int i=0; i<width*height; i++)
- for (int a=0; a<3; a++)
- result[i][a] = 0;
- c = 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("f###.gif");
- if (frameCount==numFrames)
- exit();
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- int samplesPerFrame = 8;
- int numFrames = 360;
- float shutterAngle = 1;
- boolean recording = false;
- void setup() {
- size(720, 720, P3D);
- pixelDensity(recording ? 1 : 2);
- smooth(8);
- result = new int[width*height][3];
- rectMode(CENTER);
- fill(32);
- noStroke();
- ortho();
- }
- float x, y, z, tt, t1;
- int N = 12;
- color c1 = #282828, c2 = #006f3c, c3 = #e177a8;
- float l, r;
- float eas = 4;
- void cube() {
- for (int i=0; i<4; i++) {
- push();
- fill(i%2 == 0?c1:c2);
- rotateY(HALF_PI*i);
- translate(0, 0, l/2);
- rect(0, 0, l, l);
- pop();
- }
- for (int i=0; i<2; i++) {
- push();
- fill(c3);
- rotateX(HALF_PI+PI*i);
- translate(0, 0, l/2);
- rect(0, 0, l, l);
- pop();
- }
- }
- void shard() {
- beginShape();
- vertex(0, -r);
- vertex(0, -2*r);
- vertex(2*r*mn, -r);
- vertex(r*mn, -r/2);
- endShape();
- }
- void draw_() {
- t1 = c01(1.1*t);
- tt = c01(1.25*t-0.25);
- l = 180*pow(2,-t);
- r = l*.815; // trial & error
- background(250);
- push();
- translate(width/2, height/2);
- push();
- rotateX(-ia);
- rotateY(QUARTER_PI);
- rotateX(-HALF_PI*ease(c01(4*t1-3),eas));
- rotate(-HALF_PI*ease(c01(4*t1-2),eas));
- rotateX(-HALF_PI*ease(c01(4*t1-1),eas));
- rotateY(-HALF_PI*ease(c01(4*t1),eas));
- cube();
- pop();
- for (int i=0; i<6; i++) {
- fill(c1);
- if(i>1)
- fill(c2);
- if(i>3)
- fill(c3);
- push();
- rotate(TWO_PI*(i+1)/6);
- translate(0,-600 + 600*(1-sq(1-tt)));
- shard();
- pop();
- }
- pop();
- }
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