void setup () {
size(1000, 1000);//window size
background(0);//Black Background
}
void draw () { //enable movement
//circle1
fill(19, 247, 0);
stroke(mouseX-0, mouseY+130, 30);
strokeWeight(10);
ellipse(mouseY, mouseX, 150, 150);
//circle2
fill(169, 0, 222);
stroke(mouseX-70, 130, 30);
strokeWeight(10);
ellipse(mouseX, mouseX, 300, 300);
//circle3
fill(3, 0, 196);
stroke(mouseX-20, 0, 150);
strokeWeight(10);
ellipse(mouseY, mouseY, 200, 200);
//circle4
fill(250, 255, 3);
stroke(mouseX-70, 20, 210);
strokeWeight(10);
ellipse(mouseX, mouseY, 250, 250);
}