processing

color c = color(255);

float x = 0;

float y = 0;

float speed = 1;

void setup() {

  size(200,200);

}

void draw() {

  background(0);

  move();

  display(); 

  }  

void move() {

  x = x + speed;

  if (x > width) 

    x = 0;

  }

void display() {

  fill(c);

  rect(x,y,10,200);

}

void setup (){

size (800,400);

stroke (255);

background (198,32,188);

}

void draw (){

line (mouseX,mouseY,100,100);

stroke (3,2,2);

ellipse (mouseX,mouseY,80,80);

fill(233,237,14);

}