void setup( ){
  size(300,300);
  background(247,22,233);
  stroke(255,0,0);
  strokeWeight(67);
  smooth();

}

int mrX = 300;
int mrY = 200;
int mrSIZE= 5;

void draw(){

  background(0);
  point(mrX, mrY );
  mrX = mrX + 1;
  point(mrY, mrX);
  mrY = mrY  + 45;

if (mrX > 300){
  mrX = 0;
}

if (mrY > 300){
  mrY = 0;
}

}