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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();
- }
- 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 = 2;
- int numFrames = 140;
- float shutterAngle = .4;
- boolean recording = false;
- void setup() {
- size(720, 720, P3D);
- strokeWeight(3);
- smooth(8);
- result = new int[width*height][3];
- rectMode(CENTER);
- stroke(32);
- noFill();
- }
- float x, y, z, tt;
- float th, r, p;
- int N, nw;
- int in;
- float q(float x_, float y_){
- in = constrain(int(y_+height/2)*width + int(x_+width/2),0,img.pixels.length-1);
- return red(img.pixels[in])/255.0;
- }
- void thing(float r_) {
- N = int(2.5*r_);
- nw = int(.32*r_);
- beginShape();
- for (int i=0; i<N; i++) {
- th = i*TWO_PI/N;
- x = r_*cos(th);
- y = r_*sin(th);
- p = q(x,y);
- r = r_ + 7*p*cos(nw*th - TWO_PI*int(.025*r_+1)*t);
- vertex(r*cos(th), r*sin(th));
- }
- endShape(CLOSE);
- }
- PImage img;
- void draw_() {
- push();
- translate(width/2,height/2);
- background(0);
- fill(255);
- noStroke();
- rotate(-TWO_PI/3*t);
- beginShape();
- for(int i=0; i<3; i++)
- vertex(315*cos(TWO_PI*i/3),315*sin(TWO_PI*i/3));
- endShape();
- pop();
- filter(BLUR,6);
- img = get();
- img.loadPixels();
- background(0);
- stroke(40,180,240);
- push();
- translate(width/2, height/2);
- for (int i=0; i<20; i++)
- thing(30+25*i);
- pop();
- }
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