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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 = 120;
- float shutterAngle = 1;
- boolean recording = false;
- void setup() {
- size(800, 600, P3D);
- smooth(8);
- result = new int[width*height][3];
- rectMode(CENTER);
- fill(255);
- noStroke();
- blendMode(EXCLUSION);
- }
- float x, y, z, tt;
- int N = 12;
- float r = 40, sp = 2*r*mn;
- PImage f1, f2, f3;
- void tri(){
- beginShape();
- for(int i=0; i<3; i++)
- vertex(r*sin(TWO_PI*i/3), r*cos(TWO_PI*i/3));
- endShape();
- }
- void drawTris(){
- for (int i=-N; i<N; i++) {
- for (int j=-N; j<N; j++) {
- x = i*sp;
- y = j*mn*sp;
- if(j%2 != 0)
- x += .5*sp;
- push();
- translate(x,y);
- rotate(HALF_PI);
- scale(pow(2,0.5+0.5*cos(TWO_PI*t - 0.01*dist(x,y,0,0))));
- tri();
- pop();
- }
- }
- }
- void draw_() {
- blendMode(EXCLUSION);
- background(0);
- push();
- translate(width/2, height/2);
- rotate(-HALF_PI);
- drawTris();
- f1 = get();
- background(0);
- push();
- scale(1.006);
- drawTris();
- pop();
- f2 = get();
- background(0);
- push();
- scale(1.012);
- drawTris();
- pop();
- f3 = get();
- pop();
- background(0);
- loadPixels();
- f1.loadPixels();
- f2.loadPixels();
- f3.loadPixels();
- for(int i=0; i<pixels.length; i++)
- pixels[i] = color(20+.9*red(f1.pixels[i]),20+.9*green(f2.pixels[i]),20+.9*blue(f3.pixels[i]));
- updatePixels();
- }
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