// Animation built from parameter change
// MAT 112 | Algorithmic Images
// Uli Schmidts
// based on code written by George Legrady
//
//

int xx;

void setup(){
  //framerate(60);
  size(400,400);                       // define stage size
  xx = 100;                            // value that defines image detail
}

void loop(){
  for (int y=0; y < 400; y++){         // vertical loop
    for (int x=0; x < 400; x++){       // horizontal loop
      
      float h = cos(PI * x / 400);     // horizontal factor
      float v = cos(PI * y / 400);     // vertical factor
      float c = sin(xx * sin(h + v)) * 100;   // color value
        
      set(x,y,color(c,c,c));           // draw command
    }
  }
  xx = xx + 1;
}