void setup(){

size(400, 400);
background(0);
stroke(100,50,255);
strokeWeight(20);
smooth();

}

int mrX = 80;
int mrY = 80;
void draw(){

background(27,46,206);
point(mrX, 200);
point(200, mrX);
point(mrX,mrY);
point(mrX,100);
point(mrY,mrY);
point(mrY,100);

mrX = mrX + 8;
mrY = mrY + 3;


if (mrX > 400){
   mrX = 0;
}

if  (mrY > 400){
   mrY = 0;
}
}