Pathicle.pde

import ch.bildspur.postfx.builder.*;
import ch.bildspur.postfx.pass.*;
import ch.bildspur.postfx.*;

class Pathicle {
  public Pathicle(PVector o, float r, float s, float p) {
    origin = o;
    phase = p;
    radius = r;
    speed = s;
  }
  PVector origin;
  float phase = 0;
  float radius;
  public float speed;
  public void draw(float t) {
    float x = origin.x;
    float y = origin.y;
    pushMatrix();
    translate(x+sin(speed*t+phase)*radius, y+cos(speed*t+phase)*radius);
    noStroke();
    fill(#FFFFFF);
    ellipse(0, 0, 3, 3);
    popMatrix();
  }
}

ArrayList<Pathicle> ps = new ArrayList<Pathicle>();
PostFX fx;
void setup() {
  size(640, 480, P3D);
  fx = new PostFX(this);
  PVector c = new PVector(width/2, height/2);
  for (float x = -30; x < width+30; x+=10) {
    for (float y = -30; y < height+30; y+=10) {
      float d = c.dist(new PVector(x, y));
      ps.add(new Pathicle(new PVector(x, y), 10, 2, d-x)); //experiment here to alter the behavior/pattern
    }
  }
}

float t() {
  float f = frameCount;
  float r = frameRate;
  return f/60;
}

void draw() {
  clear();
  //if (frameCount > 1030) return;
  noStroke();
  float t = t();
  for (Pathicle p : ps) {
    //p.speed += sin(t)*0.005;
    p.draw(t);
  }
  fx.render()
    .rgbSplit(10)
    .bloom(0.5, 20, 50)
    .compose();
  //saveFrame("spiral/####.tiff");
}