/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Create gameplay background - 4/5 of screen height (top portion)
var gameplayBackground = game.attachAsset('gameplayBg', {
	x: 0,
	y: 0,
	anchorX: 0,
	anchorY: 0
});
// Create carPlayer character on top of gameplayBackground
var carPlayer = gameplayBackground.attachAsset('CarPlayer', {
	x: 1024,
	// Center horizontally
	y: 1800,
	// Position in lower portion of gameplay area
	anchorX: 0.5,
	anchorY: 0.5
});
// Create UI background - 1/5 of screen height (bottom portion)
var uiBackground = game.attachAsset('uiBg', {
	x: 0,
	y: 2186,
	anchorX: 0,
	anchorY: 0
});
// Create joystickBG centered in UI background
var joystickBG = uiBackground.attachAsset('JoystickBG', {
	x: 1024,
	// Center horizontally in UI
	y: 273,
	// Center vertically in UI (546/2 = 273)
	anchorX: 0.5,
	anchorY: 0.5
});
// Create point object that will follow touch position
var point = null;
// Create JoystickPoinr that will follow point position smoothly
var joystickPoinr = game.attachAsset('JoystickPoinr', {
	x: 1024,
	y: 2459,
	anchorX: 0.5,
	anchorY: 0.5
});
// Variables for smooth movement
var targetX = 1024;
var targetY = 2459;
var smoothSpeed = 0.2;
// Handle touch down - create and show point
game.down = function (x, y, obj) {
	// Create point at touch position
	point = game.attachAsset('Puntero', {
		x: x,
		y: y,
		anchorX: 0.5,
		anchorY: 0.5
	});
};
// Handle touch move - update point position
game.move = function (x, y, obj) {
	if (point) {
		point.x = x;
		point.y = y;
		// Calculate joystickBG world position
		var joystickWorldX = joystickBG.x + uiBackground.x;
		var joystickWorldY = joystickBG.y + uiBackground.y;
		// Calculate distance from joystick center
		var deltaX = x - joystickWorldX;
		var deltaY = y - joystickWorldY;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var maxRadius = joystickBG.width / 2;
		// Limit movement to joystick radius
		if (distance > maxRadius) {
			var angle = Math.atan2(deltaY, deltaX);
			deltaX = Math.cos(angle) * maxRadius;
			deltaY = Math.sin(angle) * maxRadius;
		}
		// Update target position for smooth movement (constrained)
		targetX = joystickWorldX + deltaX;
		targetY = joystickWorldY + deltaY;
	}
};
// Handle touch up - remove point
game.up = function (x, y, obj) {
	if (point) {
		point.destroy();
		point = null;
		// Reset target position to joystick center
		var joystickWorldX = joystickBG.x + uiBackground.x;
		var joystickWorldY = joystickBG.y + uiBackground.y;
		targetX = joystickWorldX;
		targetY = joystickWorldY;
	}
};
// Update function for smooth movement
game.update = function () {
	// Smoothly move JoystickPoinr towards target position
	var deltaX = targetX - joystickPoinr.x;
	var deltaY = targetY - joystickPoinr.y;
	joystickPoinr.x += deltaX * smoothSpeed;
	joystickPoinr.y += deltaY * smoothSpeed;
	// Double-check that joystickPoinr stays within bounds
	var joystickWorldX = joystickBG.x + uiBackground.x;
	var joystickWorldY = joystickBG.y + uiBackground.y;
	var currentDeltaX = joystickPoinr.x - joystickWorldX;
	var currentDeltaY = joystickPoinr.y - joystickWorldY;
	var currentDistance = Math.sqrt(currentDeltaX * currentDeltaX + currentDeltaY * currentDeltaY);
	var maxRadius = joystickBG.width / 2;
	if (currentDistance > maxRadius) {
		var angle = Math.atan2(currentDeltaY, currentDeltaX);
		joystickPoinr.x = joystickWorldX + Math.cos(angle) * maxRadius;
		joystickPoinr.y = joystickWorldY + Math.sin(angle) * maxRadius;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -91,8 +91,13 @@
 game.up = function (x, y, obj) {
 	if (point) {
 		point.destroy();
 		point = null;
+		// Reset target position to joystick center
+		var joystickWorldX = joystickBG.x + uiBackground.x;
+		var joystickWorldY = joystickBG.y + uiBackground.y;
+		targetX = joystickWorldX;
+		targetY = joystickWorldY;
 	}
 };
 // Update function for smooth movement
 game.update = function () {