Depression

float counter = 0;

void setup()

{

  size(400, 400);

}

​

void draw()

{

​

  size(400, 400);

  colorMode(HSB, 360, 100, 100);

​

  float h = map(sin(counter), -1, 1, 300, 250); //strecke-1bis1,farbe

  background(h, 100, 100);   //sinus+sättigung+helligkeit

  counter += 0.01; //geschwindigkeit des durchlaufs

​

  translate(width/2, height/2);

​

  pushMatrix();

  translate(cos(counter)*100, sin(counter)*100);

  ellipse(0, 0, 30, 30);

  popMatrix();

​

  counter -= 0.05;

​

  pushMatrix();

  translate(cos(counter)*50, sin(counter)*50);

  ellipse(0, 0, 60, 60);

  noStroke();

  fill(0, 0, 0);

  popMatrix();

​

  counter -= 0.05;

}

​