Color Change Mouse Pressed

mySketch
xxxxxxxxxx
 
/*-----------------------------
Color Change Mouse Pressed
When you click on the square it changes color.
​
Created 29 January 2017
By Tamara Sabbagh
tamara.sabbagh@gmail.com
​
https://www.openprocessing.org/sketch/403030
-----------------------------*/
​
void setup(){
  size(500,500);
  fill(137);
}
​
void draw(){
  if (mousePressed) {
    fill(0, 0, 255);
  } else {
    fill(255,0,0);
  }
    rectMode(CENTER);
    rect(250, 250, 250, 250);
}