// Dartmouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 3 | Sketch 6

void setup()
{
  noStroke();
  frameRate(30);
  background(0);
}

void draw()
{
  // Fade away
  fill(0,10);
  rect(0,0,100,100);
  // Ellipse where mouse is
  fill(255);
  ellipse(mouseX,mouseY,30,30);
}