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

/**** 
* Classes
****/ 
// Minimal Ball class definition to fix 'Can't find variable: Ball'
var Ball = Container.expand(function () {
	var self = Container.call(this);
	// Attach the ball asset
	var ballAsset = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = 1024;
	self.y = 2000;
	self.isMoving = false;
	self.shoot = function (targetX, targetY) {
		// Dummy shoot logic for now
		self.isMoving = true;
	};
	self.reset = function () {
		self.x = 1024;
		self.y = 2000;
		self.isMoving = false;
	};
	// Dummy intersects method for compatibility
	self.intersects = function (other) {
		// Simple bounding box check
		var dx = Math.abs(self.x - other.x);
		var dy = Math.abs(self.y - other.y);
		var combinedHalfWidth = (self.width + (other.width || 0)) / 2;
		var combinedHalfHeight = (self.height + (other.height || 0)) / 2;
		return dx < combinedHalfWidth && dy < combinedHalfHeight;
	};
	return self;
});
// Minimal Goalkeeper class definition to fix 'Can't find variable: Goalkeeper'
var Goalkeeper = Container.expand(function () {
	var self = Container.call(this);
	// Attach the goalkeeper asset
	var keeperAsset = self.attachAsset('goalkeeper', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	// Dummy update method for compatibility
	self.update = function () {
		// Example: Move left and right between goal posts
		if (typeof self.direction === 'undefined') self.direction = 1;
		self.x += self.speed * self.direction;
		if (self.x > goalPostRightX - 120) self.direction = -1;
		if (self.x < goalPostLeftX + 120) self.direction = 1;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
// ... Ball ve Goalkeeper class'ları aynı şekilde ...
var game = new LK.Game({
	backgroundColor: 0x228b22
});

/**** 
* Game Code
****/ 
LK.playMusic('MatchMusic');
var goalWidth = 800;
var goalHeight = 400;
var goalX = 1024 - goalWidth / 2;
var goalY = 500;
var goalPostLeftX = goalX;
var goalPostRightX = goalX + goalWidth;
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1366,
	scaleX: 2.048,
	scaleY: 2.732
}));
var net = game.addChild(LK.getAsset('net', {
	x: goalX + 20,
	y: goalY + 20,
	alpha: 0.3
}));
var leftPost = game.addChild(LK.getAsset('goalpost', {
	x: goalX,
	y: goalY,
	anchorX: 0.5,
	anchorY: 0
}));
var rightPost = game.addChild(LK.getAsset('goalpost', {
	x: goalX + goalWidth,
	y: goalY,
	anchorX: 0.5,
	anchorY: 0
}));
var crossbar = game.addChild(LK.getAsset('crossbar', {
	x: goalX,
	y: goalY,
	anchorX: 0,
	anchorY: 0.5
}));
var ball = game.addChild(new Ball());
ball.reset();
var goalkeeper = game.addChild(new Goalkeeper());
goalkeeper.x = 1024;
goalkeeper.y = goalY + goalHeight + 30;
var aimLine = game.addChild(LK.getAsset('aimLine', {
	anchorX: 0.5,
	anchorY: 0,
	alpha: 0
}));
var isAiming = false;
var shotCount = 0;
var goalCount = 0;
var scoreTxt = new Text2('Goals: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 1.5);
LK.gui.bottom.addChild(scoreTxt);
var instructionTxt = new Text2('Tap and drag to aim, release to shoot!', {
	size: 80,
	fill: 0xFFFFFF
});
instructionTxt.anchor.set(0.5, 1.5);
instructionTxt.x = 1024;
instructionTxt.y = 2400;
game.addChild(instructionTxt);
function updateScore() {
	scoreTxt.setText('Goals: ' + goalCount);
}
function showFinalScore() {
	var scoreBox = new Text2('Final Score: ' + goalCount, {
		size: 100,
		fill: 0xFFFFFF,
		bold: true
	});
	scoreBox.anchor.set(0.5, 0.5);
	scoreBox.x = 1024;
	scoreBox.y = 800;
	game.addChild(scoreBox);
}
function resetForNextShot() {
	LK.setTimeout(function () {
		ball.reset();
		isAiming = false;
		aimLine.alpha = 0;
	}, 500);
}
function checkGoal() {
	if (ball.intersects(net)) {
		var keeperSaveZone = {
			x: goalkeeper.x - 110,
			y: goalkeeper.y - 160,
			width: 220,
			height: 160
		};
		var ballInSaveZone = ball.x > keeperSaveZone.x && ball.x < keeperSaveZone.x + keeperSaveZone.width && ball.y > keeperSaveZone.y && ball.y < keeperSaveZone.y + keeperSaveZone.height;
		if (!ballInSaveZone) {
			goalCount++;
			goalkeeper.speed += 1;
			LK.effects.flashScreen(0x00ff00, 500);
		} else {
			goalkeeper.speed += 2;
			showFinalScore();
			LK.showGameOver(goalCount);
			LK.effects.flashScreen(0xff0000, 500);
			LK.stopMusic();
		}
		updateScore();
		resetForNextShot();
		return true;
	}
	var inGoalArea = ball.x > goalX - 50 && ball.x < goalX + goalWidth + 50 && ball.y > goalY - 50 && ball.y < goalY + goalHeight + 50;
	if (inGoalArea && !ball.intersects(net) && ball.isMoving) {
		resetForNextShot();
		return true;
	}
	return false;
}
game.down = function (x, y, obj) {
	if (!ball.isMoving) {
		isAiming = true;
		aimLine.x = ball.x;
		aimLine.y = ball.y;
		aimLine.alpha = 0.8;
		var deltaX = x - ball.x;
		var deltaY = y - ball.y;
		var angle = Math.atan2(deltaY, deltaX);
		aimLine.rotation = angle - Math.PI / 2;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		aimLine.height = Math.min(distance * 0.5, 200);
	}
};
game.move = function (x, y, obj) {
	if (isAiming) {
		var deltaX = x - ball.x;
		var deltaY = y - ball.y;
		var angle = Math.atan2(deltaY, deltaX);
		aimLine.rotation = angle - Math.PI / 2;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		aimLine.height = Math.min(distance * 0.5, 200);
	}
};
game.up = function (x, y, obj) {
	if (isAiming && !ball.isMoving) {
		shotCount++;
		ball.shoot(x, y);
		isAiming = false;
		aimLine.alpha = 0;
		if (shotCount === 1) {
			instructionTxt.alpha = 0;
		}
	}
};
var ballLastY = ball.y;
var ballLastInGoal = false;
game.update = function () {
	var currentInGoal = ball.x > goalX && ball.x < goalX + goalWidth && ball.y > goalY && ball.y < goalY + goalHeight;
	if (!ballLastInGoal && currentInGoal && ball.isMoving) {
		checkGoal();
	}
	if (ball.y < -100) {
		LK.stopMusic();
		showFinalScore();
		LK.showGameOver(goalCount);
	}
	if (ball.x < 0 || ball.x > 2048) {
		LK.stopMusic();
		showFinalScore();
		LK.showGameOver(goalCount);
	}
	ballLastY = ball.y;
	ballLastInGoal = currentInGoal;
};

===================================================================
--- original.js
+++ change.js
@@ -36,8 +36,27 @@
 		return dx < combinedHalfWidth && dy < combinedHalfHeight;
 	};
 	return self;
 });
+// Minimal Goalkeeper class definition to fix 'Can't find variable: Goalkeeper'
+var Goalkeeper = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach the goalkeeper asset
+	var keeperAsset = self.attachAsset('goalkeeper', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	// Dummy update method for compatibility
+	self.update = function () {
+		// Example: Move left and right between goal posts
+		if (typeof self.direction === 'undefined') self.direction = 1;
+		self.x += self.speed * self.direction;
+		if (self.x > goalPostRightX - 120) self.direction = -1;
+		if (self.x < goalPostLeftX + 120) self.direction = 1;
+	};
+	return self;
+});
 
 /**** 
 * Initialize Game
 ****/