cn-sensei-guides/02-yellow/04-03-ninja-snacks.js

/**
This activity further reinforces the logic that objects don’t need to be visible 
to be detected for collision purposes.
**/

//*******************Apple Object - Mouse Click Event******************//
//When apple is click, move to target x and y
$this.moveTo(400,285);
$this.moveTo(mouth.x, mouth.y);

//********************Apple Object - Update Every Frame***************//
if($this.isTouching(mouth)){ //check if apple is touching mouth
    $this.remove();
}

//****************Ninja Object - Update Every Frame*******************//
$this.moveForward(5); 
if ($this.y() <= -130 || $this.y() >= 50) { 
    $this.flipDirection(); 
}