fiveWalkersTexture - OpenProcessing

mySketch
xxxxxxxxxx
 
// 5 Shiffman Walkers create random textures.
// No interaction, resets every 35 seconds.
// palette, PVector, modulus, Walker, random.
​
​
int[] palette;
Walker[] w;
​
void setup() {
  //size(1200, 700);
  fullScreen();
  colorMode(HSB, 360, 100, 100);
  background(0);
  setPalette();
  w = new Walker[palette.length];
  for (int i = 0; i <palette.length; i++) {
    w[i] = new Walker(width/2, height/2, palette[i], 1);
  }
}
​
void draw() {
  for (int i = 0; i <palette.length; i++) {
    w[i].run();
  }
  if (frameCount%350  == 0) {
    background(0);
    setup();
  }
  frameRate(10);
}
​
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
​
class Walker {
  PVector pos, prev, step;
  float stepVal, rand, sze, mx, my, s;
  color c;
​
  Walker(float sx, float sy, color col, int id) {
    mx = sx;
    my = sy;
    pos = new PVector(sx, sy);
    prev = new PVector(pos.x, pos.y);
    step = new PVector();
    c = col;
    sze  = 201;
  }
​
  void run() {
    display();
    boundsCheck();
  }
​
​
  void display() {
    stroke(c);
    strokeWeight(random(0.1, 3));
    line(pos.x, pos.y, prev.x, prev.y);
    fill(c);
    noStroke();
    s = random(0.1, 7);
    ellipse(pos.x, pos.y, s, s);
​
    prev.set(pos);
    step.set(floor(random(-1, 2)), floor(random(-1, 2)));
​
    stepVal = 25;
    rand = random(1);
    if (rand < 0.1)stepVal *= 2;
    else if (rand < 0.2)stepVal *= 3;
    else if (rand < 0.3)stepVal *= 4;
    else stepVal *= 1;
​
    if (step.x == 0 || step.y == 0)step.setMag(stepVal);
    else step.setMag(stepVal * 1.414);// some Pjs issue here ???
    pos.add(step);
  }
​
  void boundsCheck() {
    if (pos.x > mx + sze || pos.x < mx - sze || pos.y > my + sze || pos.y < my - sze) pos.set(prev);
  }
}
​
void setPalette() { 
  palette = new int[5];
  int dst = 20, sat;
  int h0 = int(random(0, 360));
  int h1 = (h0 + dst) % 360;
  int h2 = (h0 + 2*dst) % 360;
  int h3 = (h0 + 3*dst) % 360;
  int h4 = (h0 + 4*dst) % 360;
​
  sat = int(random(70, 100));
  palette[0] = color(h0, sat, 100);
​
  sat = int(random(20, 80));
  palette[1] = color(h1, sat, 100);
​
  sat = int(random(20, 80));
  palette[2] = color(h2, sat, 100);
​
  sat = int(random(20, 80));
  palette[3] = color(h3, sat, 100);
​
  sat = int(random(20, 80));
  palette[4] = color(h4, sat, 100);
};
​