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Created September 8, 2014 22:07
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  1. @invalid-email-address Anonymous created this gist Sep 8, 2014.
    103 changes: 103 additions & 0 deletions gistfile1.pde
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,103 @@
    int[][] result;
    float t;

    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);

    void setup() {
    setup_();
    result = new int[width*height][3];
    }

    void draw() {

    if (!recording) {
    t = mouseX*1.0/width;
    draw_();
    } else {
    for (int i=0; i<width*height; i++)
    for (int a=0; a<3; a++)
    result[i][a] = 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 = 100;
    float shutterAngle = .85;

    boolean recording = false;

    void setup_() {
    size(800, 600, P2D);
    smooth(8);
    stroke(250);
    strokeWeight(5);
    }

    float x, y, tt;
    int N = 12;
    float l = 95, ll;
    float aa;

    void draw_() {
    background(#B74E39);
    pushMatrix();
    translate(width/2, height/2);
    scale(1.25);
    for (int a=-2; a<N; a++) {
    aa = a+2*t;
    ll = .28*aa*l;
    tt = ease(constrain(.3*aa-.7, 0, 1));
    if (aa>=0) {
    for (int i=0; i<6; i++) {
    strokeWeight(7);
    stroke(248);
    if(aa<=.1)
    strokeWeight(map(aa,0,.1,0,7));
    if(aa>=5)
    strokeWeight(map(aa,5,6,7,0));
    pushMatrix();
    rotate(TWO_PI*(i+.5*a)/6);
    line(-ll/2, ll*mn, lerp(-ll/2, 0, 1-tt), ll*mn);
    line(ll/2, ll*mn, lerp(ll/2, 0, 1-tt), ll*mn);
    popMatrix();
    }
    }
    }
    popMatrix();
    }