// UdK Computational design
// Marius Watz 2003
// http://www.evolutionzone.com/udk/
//
// UDK02_02_mathmove
//
// Using trigonometry to create movement.

float x,y,t;
float degree;

void setup() {
  size(400,400);
  x=0;
  degree=0;
}


void loop() {
  background(100,100,200);
  x++;
  degree+=PI/60; // degree=degree+PI/60;
  if(x>width) x=0;
  
  noStroke();
  fill(200,200,255);
  
  y=100-sin(degree)*sin(degree*2)*cos(degree*0.5)*50;
  ellipse(x,y, 20,20);
  
  y=200-cos(degree)*sin(degree*4)*cos(degree*0.5)*50;
  ellipse(x,y, 20,20);

  y=300-cos(degree)*sin(degree*4)*cos(degree*0.5)*50;
  ellipse(x,y, 20,20);
  
  // Circular movement
  ellipse(200+cos(degree)*150,200+sin(degree)*150, 10,10);
}