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

/**** 
* Classes
****/ 
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.width = 40;
	self.height = 80;
	return self;
});
var Platform = Container.expand(function (width) {
	var self = Container.call(this);
	width = width || 300;
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: width / 300
	});
	self.width = width;
	self.height = 40;
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.velocityY = 0;
	self.velocityX = 0;
	self.isGrounded = false;
	self.jumpPower = -25;
	self.gravity = 1.2;
	self.speed = 8;
	self.maxFallSpeed = 20;
	self.moveLeft = function () {
		self.velocityX = -self.speed;
	};
	self.moveRight = function () {
		self.velocityX = self.speed;
	};
	self.jump = function () {
		if (self.isGrounded) {
			self.velocityY = self.jumpPower;
			self.isGrounded = false;
			LK.getSound('jump').play();
		}
	};
	self.update = function () {
		// Apply gravity
		if (!self.isGrounded) {
			self.velocityY += self.gravity;
			if (self.velocityY > self.maxFallSpeed) {
				self.velocityY = self.maxFallSpeed;
			}
		}
		// Apply horizontal movement with friction
		self.x += self.velocityX;
		self.velocityX *= 0.85;
		// Apply vertical movement
		self.y += self.velocityY;
		// Keep player on screen horizontally
		if (self.x < 30) self.x = 30;
		if (self.x > 2018) self.x = 2018;
		// Check if fallen off screen
		if (self.y > 2800) {
			LK.showGameOver();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
var player;
var platforms = [];
var obstacles = [];
var cameraOffset = 0;
var distanceScore = 0;
var lastPlatformX = 0;
var leftButtonPressed = false;
var rightButtonPressed = false;
// Create score display
var scoreText = new Text2('Distance: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Create control instruction text
var instructionText = new Text2('Use Buttons to Move and Jump', {
	size: 40,
	fill: 0xFFFFFF
});
instructionText.anchor.set(0.5, 1);
LK.gui.bottom.addChild(instructionText);
// Initialize player
player = new Player();
player.x = 300;
player.y = 2000;
game.addChild(player);
// Create initial platforms
function createPlatform(x, y, width) {
	var platform = new Platform(width);
	platform.x = x;
	platform.y = y;
	platforms.push(platform);
	game.addChild(platform);
	return platform;
}
function createObstacle(x, y) {
	var obstacle = new Obstacle();
	obstacle.x = x;
	obstacle.y = y;
	obstacles.push(obstacle);
	game.addChild(obstacle);
	return obstacle;
}
// Generate initial level
createPlatform(200, 2100, 400); // Starting platform
createPlatform(600, 2000, 300);
createPlatform(1000, 1900, 250);
createPlatform(1400, 1800, 300);
createObstacle(1400, 1800);
createPlatform(1800, 1700, 200);
createPlatform(2200, 1600, 350);
lastPlatformX = 2200;
function generateLevel() {
	// Remove platforms that are too far behind
	for (var i = platforms.length - 1; i >= 0; i--) {
		var platform = platforms[i];
		if (platform.x < cameraOffset - 500) {
			platform.destroy();
			platforms.splice(i, 1);
		}
	}
	// Remove obstacles that are too far behind
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		if (obstacle.x < cameraOffset - 500) {
			obstacle.destroy();
			obstacles.splice(i, 1);
		}
	}
	// Generate new platforms ahead
	while (lastPlatformX < cameraOffset + 3000) {
		var gapDistance = 200 + Math.random() * 300;
		var platformWidth = 200 + Math.random() * 200;
		var heightVariation = -200 + Math.random() * 400;
		lastPlatformX += gapDistance;
		var platformY = 1600 + heightVariation;
		// Keep platforms within reasonable bounds
		if (platformY > 2200) platformY = 2200;
		if (platformY < 1000) platformY = 1000;
		createPlatform(lastPlatformX, platformY, platformWidth);
		// Sometimes add obstacles
		if (Math.random() < 0.3) {
			createObstacle(lastPlatformX, platformY);
		}
	}
}
function checkCollisions() {
	player.isGrounded = false;
	// Check platform collisions
	for (var i = 0; i < platforms.length; i++) {
		var platform = platforms[i];
		var playerBounds = {
			left: player.x - 30,
			right: player.x + 30,
			top: player.y - 60,
			bottom: player.y
		};
		var platformBounds = {
			left: platform.x - platform.width / 2,
			right: platform.x + platform.width / 2,
			top: platform.y - 20,
			bottom: platform.y + 20
		};
		// Check if player overlaps with platform
		if (playerBounds.right > platformBounds.left && playerBounds.left < platformBounds.right && playerBounds.bottom > platformBounds.top && playerBounds.top < platformBounds.bottom) {
			// Landing on top of platform
			if (player.velocityY >= 0 && playerBounds.bottom - platformBounds.top < 20) {
				player.y = platformBounds.top;
				player.velocityY = 0;
				player.isGrounded = true;
			}
		}
	}
	// Check obstacle collisions
	for (var i = 0; i < obstacles.length; i++) {
		var obstacle = obstacles[i];
		if (player.intersects(obstacle)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
}
function updateCamera() {
	// Camera follows player with some offset
	var targetCameraX = player.x - 400;
	cameraOffset += (targetCameraX - cameraOffset) * 0.1;
	// Move all game objects relative to camera
	game.x = -cameraOffset;
	// Update distance score
	distanceScore = Math.floor(cameraOffset / 10);
	scoreText.setText('Distance: ' + distanceScore);
	LK.setScore(distanceScore);
}
// Create control buttons
var leftButton = LK.getAsset('platform', {
	width: 150,
	height: 100,
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.5,
	scaleY: 1.2
});
leftButton.tint = 0x4a90e2;
leftButton.alpha = 0.7;
var rightButton = LK.getAsset('platform', {
	width: 150,
	height: 100,
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.5,
	scaleY: 1.2
});
rightButton.tint = 0x4a90e2;
rightButton.alpha = 0.7;
var jumpButton = LK.getAsset('player', {
	width: 120,
	height: 120,
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 1.5,
	scaleY: 1.5
});
jumpButton.tint = 0x32cd32;
jumpButton.alpha = 0.8;
// Position buttons in GUI - left and right buttons together in bottom left
LK.gui.bottomLeft.addChild(leftButton);
leftButton.x = 80;
leftButton.y = -80;
LK.gui.bottomLeft.addChild(rightButton);
rightButton.x = 200;
rightButton.y = -80;
LK.gui.bottomRight.addChild(jumpButton);
jumpButton.x = -100;
jumpButton.y = -80;
// Button event handlers
leftButton.down = function () {
	leftButton.alpha = 1.0;
	leftButtonPressed = true;
};
leftButton.up = function () {
	leftButton.alpha = 0.7;
	leftButtonPressed = false;
};
rightButton.down = function () {
	rightButton.alpha = 1.0;
	rightButtonPressed = true;
};
rightButton.up = function () {
	rightButton.alpha = 0.7;
	rightButtonPressed = false;
};
jumpButton.down = function () {
	jumpButton.alpha = 1.0;
	jumpButton.scaleX = 1.3;
	jumpButton.scaleY = 1.3;
	player.jump();
};
jumpButton.up = function () {
	jumpButton.alpha = 0.8;
	jumpButton.scaleX = 1.5;
	jumpButton.scaleY = 1.5;
};
game.update = function () {
	// Handle continuous movement based on button states
	if (leftButtonPressed) {
		player.moveLeft();
	}
	if (rightButtonPressed) {
		player.moveRight();
	}
	checkCollisions();
	updateCamera();
	generateLevel();
};

===================================================================
--- original.js
+++ change.js
@@ -93,8 +93,10 @@
 var obstacles = [];
 var cameraOffset = 0;
 var distanceScore = 0;
 var lastPlatformX = 0;
+var leftButtonPressed = false;
+var rightButtonPressed = false;
 // Create score display
 var scoreText = new Text2('Distance: 0', {
 	size: 60,
 	fill: 0xFFFFFF
@@ -264,19 +266,21 @@
 jumpButton.y = -80;
 // Button event handlers
 leftButton.down = function () {
 	leftButton.alpha = 1.0;
-	player.moveLeft();
+	leftButtonPressed = true;
 };
 leftButton.up = function () {
 	leftButton.alpha = 0.7;
+	leftButtonPressed = false;
 };
 rightButton.down = function () {
 	rightButton.alpha = 1.0;
-	player.moveRight();
+	rightButtonPressed = true;
 };
 rightButton.up = function () {
 	rightButton.alpha = 0.7;
+	rightButtonPressed = false;
 };
 jumpButton.down = function () {
 	jumpButton.alpha = 1.0;
 	jumpButton.scaleX = 1.3;
@@ -288,8 +292,15 @@
 	jumpButton.scaleX = 1.5;
 	jumpButton.scaleY = 1.5;
 };
 game.update = function () {
+	// Handle continuous movement based on button states
+	if (leftButtonPressed) {
+		player.moveLeft();
+	}
+	if (rightButtonPressed) {
+		player.moveRight();
+	}
 	checkCollisions();
 	updateCamera();
 	generateLevel();
 };
\ No newline at end of file