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hue dots
// 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();
}
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