// Learning Processing
// Daniel Shiffman
// http://www.learningprocessing.com

// Example 3-5: mousePressed and keyPressed
void setup() {
  size(480, 270);
  background(255);
}

void draw() {
  // Nothing happens in draw() in this example!
}

// Whenever a user clicks the mouse the code written inside mousePressed() is executed.
void mousePressed() {
  stroke(0);
  fill(175);
  rectMode(CENTER);
  rect(mouseX, mouseY, 16, 16);
}

// Whenever a user presses a key the code written inside keyPressed() is executed.
void keyPressed() {
  background(255);
}