gistfile1.pde

void drawStep(int xStepIn){
  drawGrid(8,xStepIn);
};
//helpers
void drawGrid(int xnum, int xOffset){
  //draws xnum by ynum modules on the canvas, sperated by xgutter and ygutter
  int yOffset = (height % ( width / xnum ))/2 ;
  int ynum = (height/( width / xnum ));
  for (int w = -1; w < xnum; w++) {
    for (int d = -1; d < ynum; d++){
      float xCenter = (((w+0.5)*(width/xnum) + xOffset % (width/xnum)) + width*(chaoticNumber()))%(width*1.1);
      float yCenter = (((d+0.5)*(width/xnum) + yOffset) + height*(chaoticNumber()))%(height*1.1);
      float shapeRadius = (2*(width/xnum)/3)*(1-chaoticNumber());
      int verticies = int(4 + (chaoticNumber())*10);
      color polygonColor = color((chaoticNumber())*50,(chaoticNumber())*40,(chaoticNumber())*40);
      polygon(xCenter,yCenter,shapeRadius,verticies,polygonColor);
    };  
  };
};
void polygon(float x, float y, float radius, int npoints, color fillColor) {//draws a polygon at x,y within radius r, with npoints verticies. Function nabbed from the processing docs.
  float angle = TWO_PI / npoints;
  beginShape();
  fill(fillColor);
  stroke(fillColor);
  for (float a = TWO_PI/8; a < TWO_PI; a += angle) {
    float sx = x + cos(a) * radius;
    float sy = y + sin(a) * radius;
    vertex(sx, sy);
  }
  endShape(CLOSE);
}
float updateChaosIntensity(float chaosIntensityIn){
  float chaosIntensityOut;
  if (chaosOn) {//if chaos is on
    if (chaosIntensityIn <= 1){//and the chaosInternisty is less than 1
       if (chaosIntensityIn < 0.01){
           chaosIntensityOut = 0.01;
       } else{
        chaosIntensityOut = chaosIntensityIn*1.01;//increment the chaosIntensity 
       } 
    } else {//Otherwise(if the chaos intensity is one
      chaosIntensityOut = 1;
    }//leave it as one
  } else {//Otherwise(if chaos is off)
    chaosIntensityOut = 0.99*chaosIntensityIn;
  };    
  return chaosIntensityOut;
};
float chaoticNumber(){ //a mathematically chaotic algorithm which returns a float between 0 and 1, multiplied by chaosItensity, 
  float num =  ((sqrt(lastChaoticNumber) * 10.0) % 1.0);
  lastChaoticNumber = num;
  return num * chaosIntensity;
};
//begin main fucntions
void setup() {
  size(displayWidth -1, displayHeight - 1,OPENGL);
  stroke(000);
  fill(000);
  background(#ffffff);
  xStep = 0;
  frameRate(100);
};  
void draw() {
    background(color(255-(chaoticNumber()*100),255-(chaoticNumber()*100),255-(chaoticNumber())*100));
    xStep = xStep + 1;
    chaosIntensity = updateChaosIntensity(chaosIntensity);
    drawStep(xStep);
;
}
void keyPressed(){
  chaosOn = !chaosOn;
}
boolean chaosOn = false;
float chaosIntensity = 0;
float lastChaoticNumber = random(1.0);
int xStep;