void setup()  {
  size(1000, 1000);
  background(255);
  //smooth();
}

void draw() {
  
  int i = 0;
  int j = 0;
  int space = mouseX/10;
  int rotation;
  int _color = 60;
  int _scale = 60;
  float rad = PI/180;
  float sinVal;
  
  for(;j<5;j++) {
   
    stroke(_color);
    for (i=0;i<width;i+=space) {
	
	sinVal = sin(i*rad) * _scale + height-j*2;
	rotation = j*space;
	line(i+rotation, 0, i, sinVal);
    }
    //_scale+=25;
    _color += 20;
  }
  
}