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

/**** 
* Classes
****/ 
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	// Attach car asset, anchor center
	var carSprite = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// For collision, store width/height
	self.carWidth = carSprite.width;
	self.carHeight = carSprite.height;
	// No update needed; car is moved by player
	return self;
});
// Crosswalk class (visual only)
var Crosswalk = Container.expand(function () {
	var self = Container.call(this);
	// Attach crosswalk asset, anchor center
	self.attachAsset('crosswalk', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Pedestrian class
var Pedestrian = Container.expand(function () {
	var self = Container.call(this);
	// Attach pedestrian asset, anchor center
	var pedSprite = self.attachAsset('pedestrian', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// For collision, store width/height
	self.pedWidth = pedSprite.width;
	self.pedHeight = pedSprite.height;
	// Speed in px per frame (set on spawn)
	self.speed = 0;
	// Update: move right
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x444444
});

/**** 
* Game Code
****/ 
// Center road horizontally
// Road setup
// Car asset: blue box, 200x300
// Pedestrian asset: yellow ellipse, 120x120
// Road asset: dark gray box, 900x2732
// Crosswalk asset: white box, 900x40
var road = LK.getAsset('road', {
	anchorX: 0.5,
	anchorY: 0
});
road.x = 2048 / 2;
road.y = 0;
game.addChild(road);
// Crosswalk Y positions (4 crosswalks, evenly spaced)
var crosswalkYs = [600, 1100, 1600, 2100];
var crosswalks = [];
for (var i = 0; i < crosswalkYs.length; i++) {
	var cw = new Crosswalk();
	cw.x = 2048 / 2;
	cw.y = crosswalkYs[i];
	game.addChild(cw);
	crosswalks.push(cw);
}
// Car setup
var car = new Car();
car.x = 2048 / 2;
car.y = 2732 - 400; // Near bottom, but not too close
game.addChild(car);
// Car movement variables
var dragCar = false;
var dragOffsetX = 0;
// Road boundaries (car can't leave road)
var roadLeft = road.x - road.width / 2 + car.carWidth / 2;
var roadRight = road.x + road.width / 2 - car.carWidth / 2;
// Pedestrian management
var pedestrians = [];
// Pedestrian spawn timer
var pedSpawnInterval = 60; // frames (1 sec)
var pedSpawnTick = 0;
// Score
var score = 0;
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Score timer: add 10 points every second
var scoreTimer = LK.setInterval(function () {
	score += 10;
	scoreTxt.setText(score);
}, 1000);
// Touch/mouse controls: tap left/right to move car
game.down = function (x, y, obj) {
	// If tap is on left half of screen, move car left
	// If tap is on right half, move car right
	var moveAmount = 180; // px per tap, adjust for feel
	if (x < 2048 / 2) {
		// Move left
		var newX = car.x - moveAmount;
		if (newX < roadLeft) newX = roadLeft;
		car.x = newX;
	} else {
		// Move right
		var newX = car.x + moveAmount;
		if (newX > roadRight) newX = roadRight;
		car.x = newX;
	}
};
// No drag or move needed for tap-to-move
game.move = function (x, y, obj) {};
game.up = function (x, y, obj) {};
// Main update loop
game.update = function () {
	// Spawn pedestrians
	pedSpawnTick++;
	if (pedSpawnTick >= pedSpawnInterval) {
		pedSpawnTick = 0;
		// Randomly pick a crosswalk
		var idx = Math.floor(Math.random() * crosswalkYs.length);
		var y = crosswalkYs[idx];
		// Spawn at left edge of road
		var ped = new Pedestrian();
		ped.y = y;
		ped.x = road.x - road.width / 2 + ped.pedWidth / 2;
		// Random speed: 6-10 px/frame
		ped.speed = 6 + Math.floor(Math.random() * 5);
		pedestrians.push(ped);
		game.addChild(ped);
	}
	// Update pedestrians
	for (var i = pedestrians.length - 1; i >= 0; i--) {
		var ped = pedestrians[i];
		ped.update();
		// Remove if off right edge
		if (ped.x > road.x + road.width / 2 + ped.pedWidth / 2) {
			ped.destroy();
			pedestrians.splice(i, 1);
			continue;
		}
		// Collision with car?
		if (ped.intersects(car)) {
			// Flash screen red
			LK.effects.flashScreen(0xff0000, 1000);
			// Game over
			LK.showGameOver();
			return;
		}
	}
};
// Center score text at top, avoid top left 100x100
scoreTxt.x = 2048 / 2;
scoreTxt.y = 20;
// Clean up on game over (handled by LK, but clear timer)
game.onDestroy = function () {
	LK.clearInterval(scoreTimer);
};

===================================================================
--- original.js
+++ change.js
@@ -59,14 +59,14 @@
 
 /**** 
 * Game Code
 ****/ 
-// Crosswalk asset: white box, 900x40
-// Road asset: dark gray box, 900x2732
-// Pedestrian asset: yellow ellipse, 120x120
-// Car asset: blue box, 200x300
-// Road setup
 // Center road horizontally
+// Road setup
+// Car asset: blue box, 200x300
+// Pedestrian asset: yellow ellipse, 120x120
+// Road asset: dark gray box, 900x2732
+// Crosswalk asset: white box, 900x40
 var road = LK.getAsset('road', {
 	anchorX: 0.5,
 	anchorY: 0
 });
@@ -111,33 +111,28 @@
 var scoreTimer = LK.setInterval(function () {
 	score += 10;
 	scoreTxt.setText(score);
 }, 1000);
-// Touch/mouse controls
+// Touch/mouse controls: tap left/right to move car
 game.down = function (x, y, obj) {
-	// Only start drag if touch is on car
-	// Convert to car local
-	var local = car.toLocal({
-		x: x,
-		y: y
-	});
-	if (local.x >= -car.carWidth / 2 && local.x <= car.carWidth / 2 && local.y >= -car.carHeight / 2 && local.y <= car.carHeight / 2) {
-		dragCar = true;
-		dragOffsetX = car.x - x;
-	}
-};
-game.move = function (x, y, obj) {
-	if (dragCar) {
-		// Move car horizontally, clamp to road
-		var newX = x + dragOffsetX;
+	// If tap is on left half of screen, move car left
+	// If tap is on right half, move car right
+	var moveAmount = 180; // px per tap, adjust for feel
+	if (x < 2048 / 2) {
+		// Move left
+		var newX = car.x - moveAmount;
 		if (newX < roadLeft) newX = roadLeft;
+		car.x = newX;
+	} else {
+		// Move right
+		var newX = car.x + moveAmount;
 		if (newX > roadRight) newX = roadRight;
 		car.x = newX;
 	}
 };
-game.up = function (x, y, obj) {
-	dragCar = false;
-};
+// No drag or move needed for tap-to-move
+game.move = function (x, y, obj) {};
+game.up = function (x, y, obj) {};
 // Main update loop
 game.update = function () {
 	// Spawn pedestrians
 	pedSpawnTick++;