void setup() {
	size(600,600);
	fill(200,230,20);
	smooth();
	rectMode(CENTER);
}

void draw() {
	if (mousePressed) {
		fill((-mouseX+765)/3, (-mouseY+765)/3, 200, 100);
		noStroke();
	} else {
		stroke( 200,mouseY/3,mouseX/3,  100);
		noFill();   
	}
	ellipse(mouseX+50, mouseY+50, 20,20);
	ellipse(mouseX+50, mouseY-50, 20,20);
	ellipse(mouseX-50, mouseY+50, 20,20);
	ellipse(mouseX-50, mouseY-50, 20,20);
	rect(mouseX+70, mouseY+0, 20,20);
	rect(mouseX+0, mouseY+70, 20,20);
	rect(mouseX-70, mouseY+0, 20,20);
	rect(mouseX+0, mouseY-70, 20,20);
}