// Based on Example 20-2: Doorbell with Sonia in Learning Processing

import processing.sound.*;
SoundFile dingdong;
int x, y, d;

void setup() {
  size(200, 200);
  // Load the sound file
  dingdong = new SoundFile(this, "doorbell.mp3");
  x = width/2;
  y = height/2;
  d = 64;
  strokeWeight(4);
}

void draw() {
  background(255);
  if (checkInCircle())
    fill(100);
  else
    fill(175);
  ellipse(x, y, d, d);
}

void mousePressed() {
  // If the user clicks on the doorbell, play the sound!
  if (checkInCircle()) {
    dingdong.play();
  }
}

boolean checkInCircle() {
  if (dist(mouseX, mouseY, x, y) <= d/2)
    return true;
  else
    return false;
}