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beesandbombs/hueDots.pde

Created October 3, 2017 18:58
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  1. beesandbombs created this gist Oct 3, 2017.
    121 changes: 121 additions & 0 deletions hueDots.pde
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,121 @@
    // hue dots, by dave
    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 = 180;
    float shutterAngle = .6;

    boolean recording = true;

    void setup() {
    size(780,720,P3D);
    pixelDensity(recording ? 1 : 2);
    smooth(8);
    result = new int[width*height][3];
    rectMode(CENTER);
    colorMode(HSB,1);
    noStroke();
    }

    float x, y, z, tt;
    int N = 12;
    float d = 14, r = 10, sp = 42;
    float ph;

    void thing(float q){
    q = (q+10000)%1;
    push();
    fill(q,1,1);
    rotate(TWO_PI*q);
    ellipse(r,0,d,d);
    fill((q+.5)%1,1,1);
    ellipse(-r,0,d,d);
    pop();
    }

    void draw_() {
    background(0);
    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 - 0.001*dist(x,y,0,0);
    push();
    translate(x,y);
    thing(tt);
    pop();
    }
    }
    pop();
    }