var Nutcracker = Container.expand(function () {
	var self = Container.call(this);
	Nutcracker.prototype.shakeAnimation = function () {
		if (!self.freeMouth) {
			var shakeRange = 15;
			var shakeSpeed = 0.1;
			self.rotation += shakeSpeed * (Math.random() > 0.5 ? 1 : -1);
			if (self.rotation > shakeRange * (Math.PI / 180)) {
				self.rotation = shakeRange * (Math.PI / 180);
			} else if (self.rotation < -shakeRange * (Math.PI / 180)) {
				self.rotation = -shakeRange * (Math.PI / 180);
			}
		}
	};
	self.freeMouth = true;
	var nutcrackerGraphics = self.createAsset('nutcracker', 'Nutcracker Graphics', .5, .5);
	var yLevels = [1710, 1500, 1290];
	self.move = function () {
		if (self.freeMouth) {
			self.rotation = 0;
		}
		if (self.mouthTimer && self.mouthTimer > 0) {
			self.mouthTimer--;
			self.shakeAnimation();
			if (self.mouthTimer === 0) {
				self.freeMouth = true;
			}
		}
		if (!yLevels.includes(self.y)) {
			if (self.y < yLevels[0]) {
				self.y += 5;
			} else {
				self.y -= 5;
			}
			if (yLevels.some(level => self.y >= level && self.y - 5 < level)) {
				self.y = yLevels.find(level => self.y >= level && self.y - 5 < level);
			}
		}
	};
	self.dragged = false;
	self.on('down', function (obj) {
		var pos = obj.event.getLocalPosition(self.parent);
		self.y = pos.y;
		self.x = pos.x;
		self.dragged = true;
	});
	stage.on('up', function (obj) {
		var pos = obj.event.getLocalPosition(self);
		if (dragObject) {
			if (pos.y > 200) {
				var newNutcracker = new Nutcracker();
				newNutcracker.x = pos.x;
				newNutcracker.y = pos.y + 200;
				self.parent.addChild(newNutcracker);
				nutcrackers.push(newNutcracker);
				dragObject.destroy();
				dragObject = null;
			} else {
				dragObject.destroy();
				dragObject = null;
			}
		}
	});
	stage.on('move', function (obj) {
		if (dragObject) {
			var pos = obj.event.getLocalPosition(self);
			dragObject.x = pos.x;
			dragObject.y = pos.y + 200;
		}
	});
});
var MouseTrap = Container.expand(function () {
	var self = Container.call(this);
	var mousetrapGraphics = self.createAsset('mousetrap', 'Mouse Trap Graphics', .5, .5);
	self.activate = function () {};
});
var Mouse = Container.expand(function () {
	var self = Container.call(this);
	var mouseGraphics = self.createAsset('mouse', 'Mouse Graphics', .5, .5);
	self.move = function () {
		self.x += 2;
	};
});
var BuildingMenu = Container.expand(function () {
	var self = Container.call(this);
	self.y = 0;
	self.x = 1024;
	var menuBackground = self.createAsset('menuBackground', 'Building Menu Background', 0.5, 0);
	self.addChild(menuBackground);
});
var NutcrackerButton = Container.expand(function (nutcrackers) {
	var self = Container.call(this);
	var buttonGraphics = self.createAsset('nutcrackerButton', 'Nutcracker Build Button', 0.5, 0);
	self.addChild(buttonGraphics);
	self.y = 200;
	var dragObject = null;
	self.on('down', function (obj) {
		if (ressourcesNuts >= 1) {
			var pos = obj.event.getLocalPosition(self.parent);
			dragObject = new Nutcracker();
			self.parent.addChild(dragObject);
			dragObject.y = pos.y + 200;
			dragObject.x = pos.x;
			ressourcesNuts--;
		}
	});
	stage.on('up', function (obj) {
		var pos = obj.event.getLocalPosition(self);
		if (dragObject) {
			if (pos.y > 200) {
				var newNutcracker = new Nutcracker();
				newNutcracker.x = pos.x;
				newNutcracker.y = pos.y + 200;
				self.parent.addChild(newNutcracker);
				nutcrackers.push(newNutcracker);
				dragObject.destroy();
				dragObject = null;
			} else {
				dragObject.destroy();
				dragObject = null;
			}
		}
	});
	stage.on('move', function (obj) {
		if (dragObject) {
			var pos = obj.event.getLocalPosition(self);
			dragObject.x = pos.x;
			dragObject.y = pos.y + 200;
		}
	});
});
var ressourcesNuts = 1;
var Game = Container.expand(function () {
	var self = Container.call(this);
	var yLevels = [2500, 2200, 1900];
	var background = self.createAsset('background', 'Background Graphics', 0, 0);
	self.addChildAt(background, 0);
	var buildingMenu = self.addChild(new BuildingMenu());
	self.addChild(buildingMenu);
	var nutsCounter = new Text2(ressourcesNuts.toString(), {
		size: 200,
		fill: "brown"
	});
	nutsCounter.anchor.set(0.5, 0);
	nutsCounter.x = 1700;
	nutsCounter.y = 100;
	self.addChild(nutsCounter);
	var nutcrackers = [];
	var mousetraps = [];
	var mice = [];
	var nutcrackerButton = self.addChild(new NutcrackerButton(nutcrackers));
	LK.gui.topCenter.addChild(nutcrackerButton);
	var tickCounter = 0;
	var updateCounter = 0;
	LK.on('tick', function () {
		tickCounter++;
		nutsCounter.setText(ressourcesNuts.toString());
		if (tickCounter % 60 == 0) {
			var newMouse = new Mouse();
			newMouse.x = 0 - newMouse.width;
			newMouse.y = yLevels[Math.floor(Math.random() * yLevels.length)];
			mice.push(newMouse);
			self.addChild(newMouse);
		}
		for (var i = 0; i < nutcrackers.length; i++) {
			nutcrackers[i].move();
		}
		for (var i = 0; i < mousetraps.length; i++) {
			mousetraps[i].activate();
		}
		for (var i = mice.length - 1; i >= 0; i--) {
			mice[i].move();
			for (var j = 0; j < nutcrackers.length; j++) {
				if (mice[i].intersects(nutcrackers[j]) && nutcrackers[j].freeMouth) {
					mice[i].destroy();
					mice.splice(i, 1);
					nutcrackers[j].freeMouth = false;
					nutcrackers[j].mouthTimer = 180;
					break;
				}
			}
			if (mice[i] && mice[i].x > 2048 + mice[i].width) {
				mice[i].destroy();
				mice.splice(i, 1);
			}
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -12,27 +12,8 @@
 			}
 		}
 	};
 	self.freeMouth = true;
-	self.interactive = true;
-	self.on('down', function (obj) {
-		if (self.freeMouth) {
-			var pos = obj.event.getLocalPosition(self.parent);
-			self.dragging = true;
-			self.dragOffsetX = self.x - pos.x;
-			self.dragOffsetY = self.y - pos.y;
-		}
-	});
-	self.on('move', function (obj) {
-		if (self.dragging) {
-			var pos = obj.event.getLocalPosition(self.parent);
-			self.x = pos.x + self.dragOffsetX;
-			self.y = pos.y + self.dragOffsetY;
-		}
-	});
-	self.on('up', function (obj) {
-		self.dragging = false;
-	});
 	var nutcrackerGraphics = self.createAsset('nutcracker', 'Nutcracker Graphics', .5, .5);
 	var yLevels = [1710, 1500, 1290];
 	self.move = function () {
 		if (self.freeMouth) {
@@ -55,8 +36,39 @@
 				self.y = yLevels.find(level => self.y >= level && self.y - 5 < level);
 			}
 		}
 	};
+	self.dragged = false;
+	self.on('down', function (obj) {
+		var pos = obj.event.getLocalPosition(self.parent);
+		self.y = pos.y;
+		self.x = pos.x;
+		self.dragged = true;
+	});
+	stage.on('up', function (obj) {
+		var pos = obj.event.getLocalPosition(self);
+		if (dragObject) {
+			if (pos.y > 200) {
+				var newNutcracker = new Nutcracker();
+				newNutcracker.x = pos.x;
+				newNutcracker.y = pos.y + 200;
+				self.parent.addChild(newNutcracker);
+				nutcrackers.push(newNutcracker);
+				dragObject.destroy();
+				dragObject = null;
+			} else {
+				dragObject.destroy();
+				dragObject = null;
+			}
+		}
+	});
+	stage.on('move', function (obj) {
+		if (dragObject) {
+			var pos = obj.event.getLocalPosition(self);
+			dragObject.x = pos.x;
+			dragObject.y = pos.y + 200;
+		}
+	});
 });
 var MouseTrap = Container.expand(function () {
 	var self = Container.call(this);
 	var mousetrapGraphics = self.createAsset('mousetrap', 'Mouse Trap Graphics', .5, .5);