cn-sensei-guides/02-yellow/05-06-py-lift-off.js

/**
The ninja can activate the objects either by clicking or by dragging. 
This example solution uses dragging.

Decomposition:
* variable created to count supplies
* 

*/

//****************Scene Object: Initialize When Scene Starts Event***************//
$this.totalSupplies = 0;

//******************Scene Object: Update Every Frame Event***********************//
if ($this.totalSupplies >= 4) {
    //animate on ship sprite
    spaceShip.animation("thrust");
    spaceShip.incrementAnimation();
    rocket.moveY(-100);
}

//***************supply_1 Object: Mouse Button Up Event*************************//
if($this.isTouching(rocket)) {
    $this.scene.totalSupplies += 1; 
    $this.remove();
} else {
    //return to original position
    $this.x(44);
    $this.y(436);
}

//***********************supply_2 Object: Mouse Button Up Event*******************//
if($this.isTouching(rocket)) {
    $this.scene.totalSupplies += 1; 
    $this.remove();
} else {
    //return to original position
    $this.x(182);
    $this.y(412);
}

//**********************supply_3 Object: Mouse Button Up Event*******************//
if($this.isTouching(rocket)) {
    $this.scene.totalSupplies += 1; 
    $this.remove();
} else {
    //return to original position
    $this.x(254);
    $this.y(446);
}

//************************supply_4 Object: Mouse Button Up Event*******************//
if($this.isTouching(rocket)) {
    $this.scene.totalSupplies += 1; 
    $this.remove();
} else {
    //return to original position
    $this.x(374);
    $this.y(444);
}