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

/**** 
* Classes
****/ 
var Food = Container.expand(function () {
	var self = Container.call(this);
	var foodGraphics = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.down = function (x, y, obj) {
		self.feed();
	};
	self.feed = function () {
		hunger = Math.min(100, hunger + 20);
		happiness = Math.min(100, happiness + 10);
		updateHungerBar();
		updateHappinessBar();
		LK.getSound('eat').play();
		LK.setTimeout(function () {
			LK.getSound('yummy').play();
		}, 500);
		// Remove from foods array
		var index = foods.indexOf(self);
		if (index > -1) {
			foods.splice(index, 1);
		}
		self.destroy();
	};
	return self;
});
var GroomBrush = Container.expand(function () {
	var self = Container.call(this);
	var brushGraphics = self.attachAsset('groomBrush', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.performGrooming = function () {
		// Start grooming animation - move brush back and forth
		tween(self, {
			x: self.x + 50,
			rotation: 0.3
		}, {
			duration: 300,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(self, {
					x: self.x - 100,
					rotation: -0.3
				}, {
					duration: 400,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						tween(self, {
							x: self.x + 50,
							rotation: 0,
							alpha: 0,
							scaleX: 0.5,
							scaleY: 0.5
						}, {
							duration: 500,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								self.destroy();
							}
						});
					}
				});
			}
		});
	};
	return self;
});
var Heart = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.floatUp = function () {
		tween(self, {
			y: self.y - 150,
			alpha: 0
		}, {
			duration: 1500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				var index = hearts.indexOf(self);
				if (index > -1) {
					hearts.splice(index, 1);
				}
				self.destroy();
			}
		});
	};
	return self;
});
var Summer = Container.expand(function () {
	var self = Container.call(this);
	var summerGraphics = self.attachAsset('summer', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.originalScale = 1.0;
	self.isAnimating = false;
	self.down = function (x, y, obj) {
		if (!self.isAnimating) {
			self.pet();
		}
	};
	self.pet = function () {
		happiness = Math.min(100, happiness + 5);
		updateHappinessBar();
		LK.getSound('bark').play();
		self.createHeart();
		self.bounce();
	};
	self.createHeart = function () {
		var heart = new Heart();
		heart.x = self.x + (Math.random() - 0.5) * 100;
		heart.y = self.y - 50;
		game.addChild(heart);
		hearts.push(heart);
	};
	self.bounce = function () {
		if (self.isAnimating) return;
		self.isAnimating = true;
		tween(self, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: self.originalScale,
					scaleY: self.originalScale
				}, {
					duration: 200,
					easing: tween.easeIn,
					onFinish: function onFinish() {
						self.isAnimating = false;
					}
				});
			}
		});
	};
	self.playAnimation = function () {
		if (self.isAnimating) return;
		self.isAnimating = true;
		tween(self, {
			rotation: 0.2
		}, {
			duration: 300,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(self, {
					rotation: -0.2
				}, {
					duration: 300,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						tween(self, {
							rotation: 0
						}, {
							duration: 300,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								self.isAnimating = false;
							}
						});
					}
				});
			}
		});
	};
	return self;
});
var Toy = Container.expand(function () {
	var self = Container.call(this);
	var toyGraphics = self.attachAsset('toy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isDragging = false;
	self.down = function (x, y, obj) {
		self.isDragging = true;
		self.startDragX = x;
		self.startDragY = y;
	};
	self.checkPlayInteraction = function () {
		var distance = Math.sqrt(Math.pow(self.x - summer.x, 2) + Math.pow(self.y - summer.y, 2));
		if (distance < 150) {
			happiness = Math.min(100, happiness + 15);
			updateHappinessBar();
			LK.getSound('play').play();
			summer.playAnimation();
			// Remove from toys array
			var index = toys.indexOf(self);
			if (index > -1) {
				toys.splice(index, 1);
			}
			self.destroy();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xFFB6C1
});

/**** 
* Game Code
****/ 
var happiness = 100;
var hunger = 100;
var foods = [];
var toys = [];
var hearts = [];
var draggedToy = null;
var summer = game.addChild(new Summer());
summer.x = 1024;
summer.y = 2200;
// Create UI bars
var happinessBarBg = game.addChild(LK.getAsset('barBackground', {
	anchorX: 0,
	anchorY: 0
}));
happinessBarBg.x = 200;
happinessBarBg.y = 150;
var happinessBarFill = game.addChild(LK.getAsset('happinessBar', {
	anchorX: 0,
	anchorY: 0
}));
happinessBarFill.x = 200;
happinessBarFill.y = 150;
var hungerBarBg = game.addChild(LK.getAsset('barBackground', {
	anchorX: 0,
	anchorY: 0
}));
hungerBarBg.x = 200;
hungerBarBg.y = 250;
var hungerBarFill = game.addChild(LK.getAsset('hungerBar', {
	anchorX: 0,
	anchorY: 0
}));
hungerBarFill.x = 200;
hungerBarFill.y = 250;
// Create UI text
var happinessText = new Text2('Happiness: 100', {
	size: 50,
	fill: 0x000000
});
happinessText.anchor.set(0, 0.5);
happinessText.x = 650;
happinessText.y = 170;
game.addChild(happinessText);
var hungerText = new Text2('Hunger: 100', {
	size: 50,
	fill: 0x000000
});
hungerText.anchor.set(0, 0.5);
hungerText.x = 650;
hungerText.y = 270;
game.addChild(hungerText);
var instructionText = new Text2('Use buttons below to care for Summer!', {
	size: 40,
	fill: 0x333333
});
instructionText.anchor.set(0.5, 1);
instructionText.x = 1024;
instructionText.y = 2680;
game.addChild(instructionText);
// Create command buttons
var buttonWidth = 300;
var buttonHeight = 120;
var buttonY = 2400;
var buttonSpacing = 400;
// Pet button
var petButton = game.addChild(LK.getAsset('barBackground', {
	anchorX: 0.5,
	anchorY: 0.5
}));
petButton.width = buttonWidth;
petButton.height = buttonHeight;
petButton.x = 300;
petButton.y = buttonY;
petButton.tint = 0xFF69B4;
var petButtonText = new Text2('PET', {
	size: 50,
	fill: 0xFFFFFF
});
petButtonText.anchor.set(0.5, 0.5);
petButtonText.x = petButton.x;
petButtonText.y = petButton.y;
game.addChild(petButtonText);
// Feed button
var feedButton = game.addChild(LK.getAsset('barBackground', {
	anchorX: 0.5,
	anchorY: 0.5
}));
feedButton.width = buttonWidth;
feedButton.height = buttonHeight;
feedButton.x = 700;
feedButton.y = buttonY;
feedButton.tint = 0x32CD32;
var feedButtonText = new Text2('FEED', {
	size: 50,
	fill: 0xFFFFFF
});
feedButtonText.anchor.set(0.5, 0.5);
feedButtonText.x = feedButton.x;
feedButtonText.y = feedButton.y;
game.addChild(feedButtonText);
// Play button
var playButton = game.addChild(LK.getAsset('barBackground', {
	anchorX: 0.5,
	anchorY: 0.5
}));
playButton.width = buttonWidth;
playButton.height = buttonHeight;
playButton.x = 1100;
playButton.y = buttonY;
playButton.tint = 0x4169E1;
var playButtonText = new Text2('PLAY', {
	size: 50,
	fill: 0xFFFFFF
});
playButtonText.anchor.set(0.5, 0.5);
playButtonText.x = playButton.x;
playButtonText.y = playButton.y;
game.addChild(playButtonText);
// Groom button
var groomButton = game.addChild(LK.getAsset('barBackground', {
	anchorX: 0.5,
	anchorY: 0.5
}));
groomButton.width = buttonWidth;
groomButton.height = buttonHeight;
groomButton.x = 1500;
groomButton.y = buttonY;
groomButton.tint = 0x9370DB;
var groomButtonText = new Text2('GROOM', {
	size: 50,
	fill: 0xFFFFFF
});
groomButtonText.anchor.set(0.5, 0.5);
groomButtonText.x = groomButton.x;
groomButtonText.y = groomButton.y;
game.addChild(groomButtonText);
// Timers
var hungerTimer = 0;
var happinessTimer = 0;
var foodSpawnTimer = 0;
var toySpawnTimer = 0;
function updateHappinessBar() {
	var percentage = happiness / 100;
	happinessBarFill.width = 400 * percentage;
	if (happiness > 60) {
		happinessBarFill.tint = 0x00FF00;
	} else if (happiness > 30) {
		happinessBarFill.tint = 0xFFFF00;
	} else {
		happinessBarFill.tint = 0xFF0000;
	}
	happinessText.setText('Happiness: ' + happiness);
}
function updateHungerBar() {
	var percentage = hunger / 100;
	hungerBarFill.width = 400 * percentage;
	if (hunger > 60) {
		hungerBarFill.tint = 0x00FF00;
	} else if (hunger > 30) {
		hungerBarFill.tint = 0xFFFF00;
	} else {
		hungerBarFill.tint = 0xFF0000;
	}
	hungerText.setText('Hunger: ' + hunger);
}
function spawnFood() {
	if (foods.length < 4) {
		var food = new Food();
		food.x = Math.random() * 1800 + 124;
		food.y = Math.random() * 1000 + 400;
		foods.push(food);
		game.addChild(food);
	}
}
function spawnToy() {
	if (toys.length < 2) {
		var toy = new Toy();
		toy.x = Math.random() * 1800 + 124;
		toy.y = Math.random() * 1000 + 400;
		toys.push(toy);
		game.addChild(toy);
	}
}
game.move = function (x, y, obj) {
	if (draggedToy) {
		draggedToy.x = x;
		draggedToy.y = y;
	}
};
game.down = function (x, y, obj) {
	// Check button clicks
	var buttonY = 2400;
	var buttonHeight = 120;
	var buttonWidth = 300;
	// Check if clicking in button area
	if (y >= buttonY - buttonHeight / 2 && y <= buttonY + buttonHeight / 2) {
		// Pet button
		if (x >= 300 - buttonWidth / 2 && x <= 300 + buttonWidth / 2) {
			summer.pet();
			return;
		}
		// Feed button
		if (x >= 700 - buttonWidth / 2 && x <= 700 + buttonWidth / 2) {
			hunger = Math.min(100, hunger + 20);
			happiness = Math.min(100, happiness + 10);
			updateHungerBar();
			updateHappinessBar();
			LK.getSound('eat').play();
			LK.setTimeout(function () {
				LK.getSound('yummy').play();
			}, 500);
			return;
		}
		// Play button
		if (x >= 1100 - buttonWidth / 2 && x <= 1100 + buttonWidth / 2) {
			happiness = Math.min(100, happiness + 15);
			updateHappinessBar();
			LK.getSound('play').play();
			// Find nearest toy to chase
			var nearestToy = null;
			var nearestDistance = Infinity;
			for (var i = 0; i < toys.length; i++) {
				var toy = toys[i];
				var distance = Math.sqrt(Math.pow(summer.x - toy.x, 2) + Math.pow(summer.y - toy.y, 2));
				if (distance < nearestDistance) {
					nearestDistance = distance;
					nearestToy = toy;
				}
			}
			// Chase the nearest toy if one exists
			if (nearestToy && !summer.isAnimating) {
				summer.isAnimating = true;
				// Chase animation - move Summer towards the toy
				tween(summer, {
					x: nearestToy.x,
					y: nearestToy.y
				}, {
					duration: 1000,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						// Play animation when reaching the toy
						summer.playAnimation();
					}
				});
			} else {
				summer.playAnimation();
			}
			return;
		}
		// Groom button
		if (x >= 1500 - buttonWidth / 2 && x <= 1500 + buttonWidth / 2) {
			happiness = Math.min(100, happiness + 8);
			updateHappinessBar();
			LK.getSound('bark').play();
			summer.bounce();
			// Spawn grooming brush near Summer
			var groomBrush = new GroomBrush();
			groomBrush.x = summer.x - 80;
			groomBrush.y = summer.y - 100;
			game.addChild(groomBrush);
			groomBrush.performGrooming();
			return;
		}
	}
	// Check if clicking on a toy
	for (var i = 0; i < toys.length; i++) {
		var toy = toys[i];
		var distance = Math.sqrt(Math.pow(x - toy.x, 2) + Math.pow(y - toy.y, 2));
		if (distance < 50) {
			draggedToy = toy;
			break;
		}
	}
};
game.up = function (x, y, obj) {
	if (draggedToy) {
		draggedToy.checkPlayInteraction();
		draggedToy = null;
	}
};
game.update = function () {
	// Update timers
	hungerTimer++;
	happinessTimer++;
	foodSpawnTimer++;
	toySpawnTimer++;
	// Hunger decreases every 5 seconds (300 ticks)
	if (hungerTimer >= 300) {
		hunger = Math.max(0, hunger - 1);
		updateHungerBar();
		hungerTimer = 0;
	}
	// Happiness decreases every 10 seconds (600 ticks) or faster when hungry
	var happinessDecayRate = hunger < 30 ? 300 : 600;
	if (happinessTimer >= happinessDecayRate) {
		happiness = Math.max(0, happiness - 1);
		updateHappinessBar();
		happinessTimer = 0;
	}
	// Spawn food every 30 seconds (1800 ticks)
	if (foodSpawnTimer >= 1800) {
		spawnFood();
		foodSpawnTimer = 0;
	}
	// Spawn toys every 45 seconds (2700 ticks)
	if (toySpawnTimer >= 2700) {
		spawnToy();
		toySpawnTimer = 0;
	}
	// Update floating hearts
	for (var i = hearts.length - 1; i >= 0; i--) {
		var heart = hearts[i];
		if (heart.alpha === 1) {
			heart.floatUp();
		}
	}
	// Check game over condition
	if (happiness <= 0 && hunger <= 0) {
		LK.showGameOver();
	}
};
// Start background music
LK.playMusic('bgmusic');
// Initial spawn
spawnFood();
spawnToy();

===================================================================
--- original.js
+++ change.js
@@ -437,9 +437,37 @@
 		if (x >= 1100 - buttonWidth / 2 && x <= 1100 + buttonWidth / 2) {
 			happiness = Math.min(100, happiness + 15);
 			updateHappinessBar();
 			LK.getSound('play').play();
-			summer.playAnimation();
+			// Find nearest toy to chase
+			var nearestToy = null;
+			var nearestDistance = Infinity;
+			for (var i = 0; i < toys.length; i++) {
+				var toy = toys[i];
+				var distance = Math.sqrt(Math.pow(summer.x - toy.x, 2) + Math.pow(summer.y - toy.y, 2));
+				if (distance < nearestDistance) {
+					nearestDistance = distance;
+					nearestToy = toy;
+				}
+			}
+			// Chase the nearest toy if one exists
+			if (nearestToy && !summer.isAnimating) {
+				summer.isAnimating = true;
+				// Chase animation - move Summer towards the toy
+				tween(summer, {
+					x: nearestToy.x,
+					y: nearestToy.y
+				}, {
+					duration: 1000,
+					easing: tween.easeInOut,
+					onFinish: function onFinish() {
+						// Play animation when reaching the toy
+						summer.playAnimation();
+					}
+				});
+			} else {
+				summer.playAnimation();
+			}
 			return;
 		}
 		// Groom button
 		if (x >= 1500 - buttonWidth / 2 && x <= 1500 + buttonWidth / 2) {