Peter li assignment 1

Drawing machine
void setup() {
   size(600,300);
   background();
}
void draw() {
   fill(random(255), random(255),random(255),random(255));
   rect(random(600),random(600),random(255),random(255));
   if (mousePressed == true){
      line (pmouseX, pmouseY, mouseX,mouseY);
   }
}