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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 = 4;
- int numFrames = 240;
- float shutterAngle = .6;
- boolean recording = false;
- void setup() {
- size(800, 720);
- result = new int[width*height][3];
- rectMode(CENTER);
- fill(32);
- noStroke();
- }
- float x, y, z, tt;
- int N = 12;
- float l = 42;
- void swimmer(float q) {
- push();
- y = map(sin(TWO_PI*q), 1, -1, 0, 1);
- y = lerp(-l*2*mn, l*2*mn, ease(y,4.5));
- translate(0, y);
- tri(ease(map(cos(TWO_PI*q), 1, -1, 0, 1), 6));
- pop();
- }
- void tri(float q) {
- push();
- translate(0,lerp(-l*.25,l*.25,q));
- push();
- rotate(PI*5/6*q);
- halfTri(q);
- pop();
- push();
- scale(-1, 1);
- rotate(PI*5/6*q);
- halfTri(q);
- pop();
- pop();
- }
- void halfTri(float q) {
- push();
- scale(map(cos(TWO_PI*q),1,-1,1,0.85));
- beginShape();
- vertex(0, 0);
- vertex(0, lerp(l*mn, l, q));
- vertex(lerp(-l/2, -l*mn/2, q), lerp(l*mn, l*.75, q));
- endShape(CLOSE);
- pop();
- }
- float sp = 2*l;
- int in;
- void draw_() {
- background(250);
- push();
- 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;
- if (j%2 != 0)
- x += .5*sp;
- tt = (t + 100 - 0.0003*dist(x,y,0,0))%1;
- push();
- translate(x, y);
- fill(#86C986);
- in = (2*i+100+3*j+(j+100)%2); // dunno lol
- if(in%3 == 0)
- fill(#31A7C4);
- if(in%3 == 1)
- fill(#561D72);
- swimmer(tt);
- pop();
- }
- }
- pop();
- }
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