/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Heart = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifespan = 1500;
	self.startY = self.y;
	self.update = function () {
		self.lifespan -= 16;
		if (self.lifespan <= 0) {
			self.destroy();
		}
	};
	return self;
});
var Penguin = Container.expand(function () {
	var self = Container.call(this);
	var penguinBody = self.attachAsset('penguin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.happiness = 100;
	self.hunger = 50;
	self.lastHappiness = 100;
	self.lastHunger = 50;
	self.isAnimating = false;
	self.feed = function () {
		if (!self.isAnimating && self.hunger > 0) {
			self.isAnimating = true;
			self.hunger = Math.min(100, self.hunger + 25);
			LK.getSound('eat').play();
			tween(self, {
				scaleY: 0.9
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(self, {
						scaleY: 1
					}, {
						duration: 200,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							self.isAnimating = false;
						}
					});
				}
			});
		}
	};
	self.pet = function () {
		if (!self.isAnimating) {
			self.isAnimating = true;
			self.happiness = Math.min(100, self.happiness + 20);
			LK.getSound('pet').play();
			tween(self, {
				rotation: 0.1
			}, {
				duration: 100,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(self, {
						rotation: -0.1
					}, {
						duration: 100,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								rotation: 0
							}, {
								duration: 100,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									self.isAnimating = false;
								}
							});
						}
					});
				}
			});
			for (var h = 0; h < 3; h++) {
				var newHeart = new Heart();
				newHeart.x = self.x + (Math.random() - 0.5) * 100;
				newHeart.y = self.y - 100;
				hearts.push(newHeart);
				game.addChild(newHeart);
				tween(newHeart, {
					y: newHeart.y - 150,
					alpha: 0
				}, {
					duration: 1500,
					easing: tween.easeOut
				});
			}
			if (self.happiness >= 95) {
				LK.getSound('happy').play();
				tween(self, {
					scaleX: 1.15,
					scaleY: 1.15
				}, {
					duration: 300,
					easing: tween.elasticOut,
					onFinish: function onFinish() {
						tween(self, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 200,
							easing: tween.easeOut
						});
					}
				});
			}
		}
	};
	self.down = function (x, y, obj) {
		self.pet();
	}; //{1k_new}
	self.update = function () {
		self.hunger = Math.max(0, self.hunger - 0.01);
		self.happiness = Math.max(0, self.happiness - 0.02);
	};
	return self;
});
var Popsicle = Container.expand(function () {
	var self = Container.call(this);
	var popsicleBody = self.attachAsset('popsicle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var popsicleStick = self.attachAsset('popsicleStick', {
		anchorX: 0.5,
		anchorY: 0
	});
	popsicleStick.y = 70;
	self.isEaten = false;
	self.down = function (x, y, obj) {
		if (!self.isEaten) {
			self.isEaten = true;
			LK.getSound('eat').play();
			tween(self, {
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					self.destroy();
				}
			});
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb
});

/**** 
* Game Code
****/ 
var penguin = game.addChild(new Penguin());
penguin.x = 1024;
penguin.y = 1200;
var happinessLabel = new Text2('Happiness', {
	size: 40,
	fill: 0xFFFFFF
});
happinessLabel.anchor.set(0, 0);
happinessLabel.x = 100;
happinessLabel.y = 100;
LK.gui.addChild(happinessLabel);
var happinessBgBar = LK.getAsset('happinessBg', {
	anchorX: 0,
	anchorY: 0,
	x: 100,
	y: 150
});
LK.gui.addChild(happinessBgBar);
var happinessBar = LK.getAsset('happinessBar', {
	anchorX: 0,
	anchorY: 0,
	x: 100,
	y: 150
});
LK.gui.addChild(happinessBar);
var hungerLabel = new Text2('Hunger', {
	size: 40,
	fill: 0xFFFFFF
});
hungerLabel.anchor.set(0, 0);
hungerLabel.x = 100;
hungerLabel.y = 300;
LK.gui.addChild(hungerLabel);
var hungerBgBar = LK.getAsset('hungerBg', {
	anchorX: 0,
	anchorY: 0,
	x: 100,
	y: 350
});
LK.gui.addChild(hungerBgBar);
var hungerBar = LK.getAsset('hungerBar', {
	anchorX: 0,
	anchorY: 0,
	x: 100,
	y: 350
});
LK.gui.addChild(hungerBar);
var hearts = [];
var popsicles = [];
var popsicleSpawnTimer = LK.setInterval(function () {
	if (popsicles.length < 3) {
		var newPopsicle = game.addChild(new Popsicle());
		newPopsicle.x = 300 + Math.random() * 1448;
		newPopsicle.y = 400;
		popsicles.push(newPopsicle);
	}
}, 3000);
var instructionsLabel = new Text2('Tap Fancy Freeze to pet • Tap popsicles to feed', {
	size: 32,
	fill: 0xFFFFFF
});
instructionsLabel.anchor.set(0.5, 0);
instructionsLabel.x = 1024;
instructionsLabel.y = 2600;
game.addChild(instructionsLabel);
var penguinNameLabel = new Text2('Fancy Freeze', {
	size: 50,
	fill: 0xFFFFFF
});
penguinNameLabel.anchor.set(0.5, 0);
penguinNameLabel.x = 1024;
penguinNameLabel.y = 1550;
game.addChild(penguinNameLabel);
game.down = function (x, y, obj) {
	var clickedPenguin = obj === penguin;
	if (!clickedPenguin) {
		var current = obj.parent;
		while (current) {
			if (current === penguin) {
				clickedPenguin = true;
				break;
			}
			current = current.parent;
		}
	}
	if (clickedPenguin) {
		penguin.pet();
	}
};
game.update = function () {
	penguin.update();
	var targetHappinessWidth = penguin.happiness / 100 * 500;
	var targetHungerWidth = penguin.hunger / 100 * 500;
	happinessBar.scaleX = targetHappinessWidth / happinessBar.width;
	hungerBar.scaleX = targetHungerWidth / hungerBar.width;
	for (var h = hearts.length - 1; h >= 0; h--) {
		hearts[h].update();
		if (hearts[h].lifespan <= 0) {
			hearts[h].destroy();
			hearts.splice(h, 1);
		}
	}
	for (var i = popsicles.length - 1; i >= 0; i--) {
		if (popsicles[i].isEaten) {
			penguin.feed();
			popsicles.splice(i, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -121,8 +121,11 @@
 				});
 			}
 		}
 	};
+	self.down = function (x, y, obj) {
+		self.pet();
+	}; //{1k_new}
 	self.update = function () {
 		self.hunger = Math.max(0, self.hunger - 0.01);
 		self.happiness = Math.max(0, self.happiness - 0.02);
 	};