//A2-07 - Create a dynamic animation using the cos() function as a generator for motion. 
 

float a = 0.0;
float inc = TWO_PI/25.0;

//void method
void setup() {
  size(350, 350);
}

//draw  method
void draw() {
  background(255);
  stroke (4);
  fill(0,250,200);
  for(int i=0; i<width; i++) {
  ellipse(i*6, 175, i*6, 50+cos(a)*150.0);
  a = a + inc;
  }
}