/**** 
* Classes
****/
// Sheep class
var Sheep = Container.expand(function () {
	var self = Container.call(this);
	var sheepGraphics = self.attachAsset('sheep', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1;
	self.direction = Math.random() * Math.PI * 2;
	self.move = function () {
		self.x += Math.cos(self.direction) * self.speed;
		self.y += Math.sin(self.direction) * self.speed;
	};
	self.avoidWalls = function () {
		if (self.x < 300 || self.x > 1748 || self.y < 300 || self.y > 2432) {
			self.direction += Math.PI;
		}
	};
	self.avoidDog = function (dog, targetPosition) {
		if (self.intersects(dog)) {
			var dx = targetPosition.x - self.x;
			var dy = targetPosition.y - self.y;
			self.direction = Math.atan2(dy, dx);
		}
	};
	self.avoidSheep = function (sheepArray) {
		var personalSpace = 150; // Define a personal space radius for each sheep
		for (var i = 0; i < sheepArray.length; i++) {
			var otherSheep = sheepArray[i];
			if (self !== otherSheep) {
				var dx = otherSheep.x - self.x;
				var dy = otherSheep.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < personalSpace) {
					var avoidanceForce = 1;
					var avoidanceAngle = Math.atan2(dy, dx) + Math.PI; // Opposite direction
					self.direction = avoidanceAngle;
					self.x += Math.cos(self.direction) * self.speed * avoidanceForce;
					self.y += Math.sin(self.direction) * self.speed * avoidanceForce;
				}
			}
		}
	};
});
// Baa class
var Baa = Container.expand(function () {
	var self = Container.call(this);
	var baaGraphics = self.attachAsset('baa', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.visible = false;
	self.currentSheep = null;
	self.show = function (sheep) {
		self.currentSheep = sheep;
		self.visible = true;
		LK.setTimeout(function () {
			self.visible = false;
			self.currentSheep = null;
		}, 1000);
	};
	self.tick = function () {
		if (self.visible && self.currentSheep) {
			self.x = self.currentSheep.x;
			self.y = self.currentSheep.y - self.currentSheep.height / 2 - self.height / 2;
		}
	};
});
// Shepherd dog class with two states
var Dog = Container.expand(function () {
	var self = Container.call(this);
	var dogGraphics = self.attachAsset('dog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var dog2Graphics = self.attachAsset('dog2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	dog2Graphics.visible = false; // Initially hide the dog2
	self.targetPosition = {
		x: 1024,
		y: 1366
	}; // Default target position in the middle
	self.move = function (pos, lastPos) {
		self.x = pos.x;
		self.y = pos.y;
		if (pos.x > lastPos.x) {
			dogGraphics.visible = true;
			dog2Graphics.visible = false;
		} else if (pos.x < lastPos.x) {
			dogGraphics.visible = false;
			dog2Graphics.visible = true;
		}
	};
	self.lastPos = {
		x: self.x,
		y: self.y
	}; // Store the last position
	self.setTargetPosition = function (pos) {
		self.targetPosition = pos;
	};
});
// GrassLayer class
var GrassLayer = Container.expand(function () {
	var self = Container.call(this);
	self.grassInstances = [];
	self.addGrass = function () {
		var grass = new Grass();
		self.addChild(grass);
		self.grassInstances.push(grass);
	};
	self.moveGrass = function () {
		for (var j = 0; j < self.grassInstances.length; j++) {
			self.grassInstances[j].move();
		}
	};
});
// Grass class
var Grass = Container.expand(function () {
	var self = Container.call(this);
	var grassGraphics = self.attachAsset('grass', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.resetPosition = function () {
		self.x = Math.random() * 2048;
		self.y = -self.height;
	};
	self.move = function () {
		self.y += 2; // Move down at a constant speed
		if (self.y > 2732) {
			// If grass is below the screen
			self.resetPosition(); // Reset to the top
		}
	};
	self.resetPosition(); // Initialize position
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x90EE90 // Light green background
});

/**** 
* Game Code
****/
// Initialize grass layer and add it to the game
var grassLayer = game.addChild(new GrassLayer());
// Initialize sheep array
// Sheep asset
// Shepherd dog asset
var sheepArray = [];
// Create 20 sheep and add them to the game and sheepArray
for (var i = 0; i < 20; i++) {
	var sheep = new Sheep();
	sheep.x = 300 + Math.random() * (2048 - 600);
	sheep.y = 300 + Math.random() * (2732 - 600);
	game.addChild(sheep);
	sheepArray.push(sheep);
}
// Create shepherd dog and add it to the game
var shepherdDog = new Dog();
shepherdDog.x = 1024; // Start in the middle of the game area
shepherdDog.y = 1366;
game.addChild(shepherdDog);
// Event listener for touch move to move the shepherd dog and handle direction
game.on('move', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	shepherdDog.move(pos, shepherdDog.lastPos);
	shepherdDog.lastPos = pos; // Update the last position
});
// Main game tick event
var baaInstance = game.addChild(new Baa());
LK.setInterval(function () {
	var randomSheepIndex = Math.floor(Math.random() * sheepArray.length);
	var randomSheep = sheepArray[randomSheepIndex];
	baaInstance.show(randomSheep);
}, 3000);
LK.on('tick', function () {
	// Move each sheep, handle collisions, update Baa position, and move grass instances
	baaInstance.tick();
	grassLayer.moveGrass();
	for (var i = 0; i < sheepArray.length; i++) {
		var sheep = sheepArray[i];
		sheep.move();
		sheep.avoidWalls();
		sheep.avoidDog(shepherdDog, shepherdDog.targetPosition);
		sheep.avoidSheep(sheepArray);
	}
});
// Ensure the game is touchscreen compatible
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	shepherdDog.setTargetPosition(pos);
	shepherdDog.move(pos, shepherdDog.lastPos);
	shepherdDog.lastPos = pos; // Update the last position
});
game.on('up', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	shepherdDog.setTargetPosition(pos);
});

===================================================================
--- original.js
+++ change.js