/**** 
* 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 = 2;
	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) {
		if (self.intersects(dog)) {
			self.direction += Math.PI / 2;
		}
	};
	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 = personalSpace - distance;
					var avoidanceAngle = Math.atan2(dy, dx) + Math.PI; // Opposite direction
					self.direction += (avoidanceAngle - self.direction) * avoidanceForce / personalSpace;
				}
			}
		}
	};
});
// Shepherd dog class
var Dog = Container.expand(function () {
	var self = Container.call(this);
	var dogGraphics = self.attachAsset('dog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function (pos) {
		if (pos.x > self.x) {
			self.attachAsset('dog', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			if (self.getChildByName('dog2')) {
				self.removeChild(self.getChildByName('dog2'));
			}
		} else if (pos.x < self.x) {
			self.attachAsset('dog2', {
				anchorX: 0.5,
				anchorY: 0.5,
				name: 'dog2'
			});
			if (self.getChildByName('dog')) {
				self.removeChild(self.getChildByName('dog'));
			}
		}
		self.x = pos.x;
		self.y = pos.y;
	};
});

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

/**** 
* Game Code
****/
// Shepherd dog asset
// Sheep asset
// Initialize sheep array
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
game.on('move', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	shepherdDog.move(pos);
});
// Main game tick event
LK.on('tick', function () {
	// Move each sheep and handle collisions
	for (var i = 0; i < sheepArray.length; i++) {
		var sheep = sheepArray[i];
		sheep.move();
		sheep.avoidWalls();
		sheep.avoidDog(shepherdDog);
		sheep.avoidSheep(sheepArray);
	}
});
// Ensure the game is touchscreen compatible
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	shepherdDog.move(pos);
});
game.on('up', function (obj) {
	// This can be used for future features where the dog stops moving on touch up
});

===================================================================
--- original.js
+++ change.js
@@ -43,29 +43,33 @@
 });
 // Shepherd dog class
 var Dog = Container.expand(function () {
 	var self = Container.call(this);
-	self.previousX = self.x;
 	var dogGraphics = self.attachAsset('dog', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.previousX = self.x;
 	self.move = function (pos) {
-		self.x = pos.x;
-		self.y = pos.y;
-		if (self.x > self.previousX) {
+		if (pos.x > self.x) {
 			self.attachAsset('dog', {
 				anchorX: 0.5,
 				anchorY: 0.5
 			});
-		} else if (self.x < self.previousX) {
+			if (self.getChildByName('dog2')) {
+				self.removeChild(self.getChildByName('dog2'));
+			}
+		} else if (pos.x < self.x) {
 			self.attachAsset('dog2', {
 				anchorX: 0.5,
-				anchorY: 0.5
+				anchorY: 0.5,
+				name: 'dog2'
 			});
+			if (self.getChildByName('dog')) {
+				self.removeChild(self.getChildByName('dog'));
+			}
 		}
-		self.previousX = self.x;
+		self.x = pos.x;
+		self.y = pos.y;
 	};
 });
 
 /****