processing

void setup(){
size(333,144);
background(1,12,1);
}
void draw(){
strokeWeight(9);
fill(9,5,1);
rectMode(DOWN);
rect(mouseX,mouseY,50,90);
smooth();
strokeWeight(9);
noStroke();
fill(200,1,18);
ellipse((random(101)),(random(108)),80,90);
delay(1);
}