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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var FlyingEnemy = Container.expand(function () {
	var self = Container.call(this);
	var flyingEnemyGraphics = self.attachAsset('flyingEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var GroundSegment = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Hole = Container.expand(function () {
	var self = Container.call(this);
	var holeGraphics = self.attachAsset('hole', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.isJumping = false;
	self.jumpSpeed = 0;
	self.gravity = 0.8;
	self.jumpPower = -25;
	self.groundY = 0;
	self.customColor = 0x4CAF50;
	self.jumpCount = 0;
	self.maxJumps = 2;
	self.characterType = 'player';
	self.isInvincible = false;
	self.invincibilityTimer = 0;
	self.hasWeapon = false;
	self.weaponGraphics = null;
	self.jump = function () {
		if (self.jumpCount < self.maxJumps) {
			if (!self.isJumping) {
				self.isJumping = true;
			}
			self.jumpSpeed = self.jumpPower;
			self.jumpCount++;
			LK.getSound('jump').play();
		}
	};
	self.setColor = function (color) {
		self.customColor = color;
		playerGraphics.tint = color;
	};
	self.setCharacter = function (characterType) {
		self.characterType = characterType;
		playerGraphics.destroy();
		playerGraphics = self.attachAsset(characterType, {
			anchorX: 0.5,
			anchorY: 1.0
		});
	};
	self.activateInvincibility = function () {
		self.isInvincible = true;
		self.invincibilityTimer = 300; // 5 seconds at 60fps
		// Flash effect
		tween(playerGraphics, {
			alpha: 0.3
		}, {
			duration: 200,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				if (self.isInvincible) {
					tween(playerGraphics, {
						alpha: 1
					}, {
						duration: 200,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							if (self.isInvincible) {
								self.activateInvincibility();
							}
						}
					});
				}
			}
		});
	};
	self.pickupWeapon = function () {
		self.hasWeapon = true;
		// Create weapon graphics attached to player
		if (self.weaponGraphics) {
			self.weaponGraphics.destroy();
		}
		self.weaponGraphics = self.attachAsset('weapon', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.weaponGraphics.x = 30;
		self.weaponGraphics.y = -50;
		self.weaponGraphics.scaleX = 0.6;
		self.weaponGraphics.scaleY = 0.6;
	};
	self.update = function () {
		if (self.isJumping) {
			self.jumpSpeed += self.gravity;
			self.y += self.jumpSpeed;
			var landingY = self.groundY;
			if (self.y >= landingY) {
				self.y = landingY;
				self.isJumping = false;
				self.jumpSpeed = 0;
				self.jumpCount = 0;
			}
		}
		// Handle invincibility timer
		if (self.isInvincible) {
			self.invincibilityTimer--;
			if (self.invincibilityTimer <= 0) {
				self.isInvincible = false;
				tween.stop(playerGraphics);
				playerGraphics.alpha = 1;
			}
		}
	};
	return self;
});
var Weapon = Container.expand(function () {
	var self = Container.call(this);
	var weaponGraphics = self.attachAsset('weapon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
		self.y += Math.sin(LK.ticks * 0.1) * 2; // Floating animation
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var gameState = 'customization'; // 'customization', 'playing', 'gameOver'
var player;
var groundSegments = [];
var holes = [];
var enemies = [];
var obstacles = [];
var bullets = [];
var flyingEnemies = [];
var weapons = [];
var gameSpeed = 8;
var spawnTimer = 0;
var shootTimer = 0;
var distance = 0;
var groundY = 2400;
var invincibilitySpacing = 1;
var lastInvincibilityTime = 0;
// UI Elements
var customizeText = new Text2('Choose Your Character', {
	size: 60,
	fill: 0xFFFFFF
});
customizeText.anchor.set(0.5, 0.5);
customizeText.x = 1024;
customizeText.y = 800;
var character1Button = LK.getAsset('player', {
	anchorX: 0.5,
	anchorY: 0.5
});
character1Button.x = 648;
character1Button.y = 1200;
character1Button.scaleX = 0.5;
character1Button.scaleY = 0.5;
var character2Button = LK.getAsset('player2', {
	anchorX: 0.5,
	anchorY: 0.5
});
character2Button.x = 1024;
character2Button.y = 1200;
character2Button.scaleX = 0.5;
character2Button.scaleY = 0.5;
var character3Button = LK.getAsset('player3', {
	anchorX: 0.5,
	anchorY: 0.5
});
character3Button.x = 1400;
character3Button.y = 1200;
character3Button.scaleX = 0.5;
character3Button.scaleY = 0.5;
var startText = new Text2('Tap a Character to Start!', {
	size: 50,
	fill: 0xFFFFFF
});
startText.anchor.set(0.5, 0.5);
startText.x = 1024;
startText.y = 1600;
var distanceText = new Text2('0m', {
	size: 60,
	fill: 0xFFFFFF
});
distanceText.anchor.set(0.5, 0);
LK.gui.top.addChild(distanceText);
// Initialize player
player = new Player();
player.x = 400;
player.y = groundY;
player.groundY = groundY;
game.addChild(player);
// Initialize ground segments
for (var i = 0; i < 15; i++) {
	var ground = new GroundSegment();
	ground.x = i * 200;
	ground.y = groundY;
	groundSegments.push(ground);
	game.addChild(ground);
}
function initializeGame() {
	gameState = 'playing';
	distance = 0;
	gameSpeed = 8;
	spawnTimer = 0;
	// Hide customization UI
	customizeText.visible = false;
	startText.visible = false;
	character1Button.visible = false;
	character2Button.visible = false;
	character3Button.visible = false;
	// Clear existing obstacles
	clearAllObstacles();
	// Reset player position
	player.x = 400;
	player.y = groundY;
	player.isJumping = false;
	player.jumpSpeed = 0;
	player.jumpCount = 0;
	player.isInvincible = false;
	player.invincibilityTimer = 0;
	invincibilitySpacing = 1;
	lastInvincibilityTime = 0;
	// Reset ground segments
	for (var i = 0; i < groundSegments.length; i++) {
		groundSegments[i].x = i * 200;
		groundSegments[i].speed = -gameSpeed;
	}
}
function clearAllObstacles() {
	for (var i = holes.length - 1; i >= 0; i--) {
		holes[i].destroy();
		holes.splice(i, 1);
	}
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].destroy();
		enemies.splice(i, 1);
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].destroy();
		obstacles.splice(i, 1);
	}
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].destroy();
		bullets.splice(i, 1);
	}
	for (var i = flyingEnemies.length - 1; i >= 0; i--) {
		flyingEnemies[i].destroy();
		flyingEnemies.splice(i, 1);
	}
	for (var i = weapons.length - 1; i >= 0; i--) {
		weapons[i].destroy();
		weapons.splice(i, 1);
	}
}
function spawnObstacle() {
	var rand = Math.random();
	var spawnX = 2200;
	if (rand < 0.15) {
		// Spawn hole
		var hole = new Hole();
		hole.x = spawnX;
		hole.y = groundY;
		hole.speed = -gameSpeed;
		holes.push(hole);
		game.addChild(hole);
	} else if (rand < 0.25) {
		// Spawn enemy
		var enemy = new Enemy();
		enemy.x = spawnX;
		enemy.y = groundY;
		enemy.speed = -gameSpeed;
		enemies.push(enemy);
		game.addChild(enemy);
	} else if (rand < 0.35) {
		// Spawn obstacle
		var obstacle = new Obstacle();
		obstacle.x = spawnX;
		obstacle.y = groundY;
		obstacle.speed = -gameSpeed;
		obstacles.push(obstacle);
		game.addChild(obstacle);
	} else if (rand < 0.45) {
		// Spawn flying enemy
		var flyingEnemy = new FlyingEnemy();
		flyingEnemy.x = spawnX;
		flyingEnemy.y = groundY - 300 - Math.random() * 200;
		flyingEnemy.speed = -gameSpeed;
		flyingEnemies.push(flyingEnemy);
		game.addChild(flyingEnemy);
	} else if (rand < 0.5 && !player.hasWeapon) {
		// Spawn weapon pickup (only if player doesn't have weapon)
		var weapon = new Weapon();
		weapon.x = spawnX;
		weapon.y = groundY - 100;
		weapon.speed = -gameSpeed;
		weapons.push(weapon);
		game.addChild(weapon);
	}
}
function checkCollisions() {
	// Check bullet vs enemy collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		var bulletHit = false;
		// Check bullet vs ground enemies
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				// Remove bullet and enemy
				bullet.destroy();
				bullets.splice(i, 1);
				enemy.destroy();
				enemies.splice(j, 1);
				bulletHit = true;
				break;
			}
		}
		// Check bullet vs flying enemies
		if (!bulletHit) {
			for (var j = flyingEnemies.length - 1; j >= 0; j--) {
				var flyingEnemy = flyingEnemies[j];
				if (bullet.intersects(flyingEnemy)) {
					// Remove bullet and flying enemy
					bullet.destroy();
					bullets.splice(i, 1);
					flyingEnemy.destroy();
					flyingEnemies.splice(j, 1);
					break;
				}
			}
		}
	}
	// Check weapon pickup collisions
	for (var i = weapons.length - 1; i >= 0; i--) {
		var weapon = weapons[i];
		if (player.intersects(weapon)) {
			// Player picks up weapon
			player.pickupWeapon();
			weapon.destroy();
			weapons.splice(i, 1);
			LK.getSound('weaponPickup').play();
			break;
		}
	}
	// Skip damage collisions if invincible
	if (!player.isInvincible) {
		// Check hole collisions
		for (var i = 0; i < holes.length; i++) {
			var hole = holes[i];
			if (player.x > hole.x && player.x < hole.x + 150 && !player.isJumping) {
				gameOver();
				return;
			}
		}
		// Check enemy collisions
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (player.intersects(enemy)) {
				gameOver();
				return;
			}
		}
		// Check flying enemy collisions
		for (var i = 0; i < flyingEnemies.length; i++) {
			var flyingEnemy = flyingEnemies[i];
			if (player.intersects(flyingEnemy)) {
				gameOver();
				return;
			}
		}
		// Check obstacle collisions
		for (var i = 0; i < obstacles.length; i++) {
			var obstacle = obstacles[i];
			if (player.intersects(obstacle)) {
				gameOver();
				return;
			}
		}
	}
}
function gameOver() {
	gameState = 'gameOver';
	LK.getSound('hit').play();
	LK.showGameOver();
}
function updateSpeed() {
	gameSpeed = 8 + distance / 100;
	for (var i = 0; i < groundSegments.length; i++) {
		groundSegments[i].speed = -gameSpeed;
	}
	for (var i = 0; i < holes.length; i++) {
		holes[i].speed = -gameSpeed;
	}
	for (var i = 0; i < enemies.length; i++) {
		enemies[i].speed = -gameSpeed;
	}
	for (var i = 0; i < obstacles.length; i++) {
		obstacles[i].speed = -gameSpeed;
	}
	for (var i = 0; i < flyingEnemies.length; i++) {
		flyingEnemies[i].speed = -gameSpeed;
	}
	for (var i = 0; i < weapons.length; i++) {
		weapons[i].speed = -gameSpeed;
	}
}
game.down = function (x, y, obj) {
	if (gameState === 'customization') {
		// Check character 1 button
		if (x > 563 && x < 733 && y > 1050 && y < 1350) {
			player.setCharacter('player');
			initializeGame();
		}
		// Check character 2 button
		else if (x > 939 && x < 1109 && y > 1050 && y < 1350) {
			player.setCharacter('player2');
			initializeGame();
		}
		// Check character 3 button
		else if (x > 1315 && x < 1485 && y > 1050 && y < 1350) {
			player.setCharacter('player3');
			initializeGame();
		}
	} else if (gameState === 'playing') {
		if (player.jumpCount === 0) {
			// First tap - jump
			player.jump();
		} else {
			// Second tap - shoot bullet
			var canShoot = player.hasWeapon ? shootTimer <= 0 : shootTimer <= 0 && player.jumpCount > 0;
			if (canShoot) {
				var bullet = new Bullet();
				bullet.x = player.x + 50;
				bullet.y = player.y - 100;
				// Weapon makes bullets faster and stronger
				if (player.hasWeapon) {
					bullet.speed = 20;
					bullet.scaleX = 1.2;
					bullet.scaleY = 1.2;
				}
				bullets.push(bullet);
				game.addChild(bullet);
				LK.getSound('shoot').play();
				shootTimer = player.hasWeapon ? 5 : 10; // Faster shooting with weapon
			}
		}
	}
};
game.update = function () {
	if (gameState === 'playing') {
		distance += gameSpeed / 10;
		distanceText.setText(Math.floor(distance) + 'm');
		// Update speed based on distance
		updateSpeed();
		// Spawn obstacles
		spawnTimer++;
		var spawnRate = (120 - Math.min(distance / 15, 50)) * invincibilitySpacing;
		if (spawnTimer >= spawnRate) {
			spawnObstacle();
			spawnTimer = 0;
		}
		// Reset invincibility spacing after effect wears off
		if (distance - lastInvincibilityTime > 300 && invincibilitySpacing > 1) {
			invincibilitySpacing = 1;
		}
		// Update ground segments - make continuous
		for (var i = 0; i < groundSegments.length; i++) {
			var ground = groundSegments[i];
			if (ground.x < -200) {
				// Find the rightmost ground segment
				var maxX = -1000;
				for (var j = 0; j < groundSegments.length; j++) {
					if (groundSegments[j].x > maxX) {
						maxX = groundSegments[j].x;
					}
				}
				ground.x = maxX + 200;
			}
		}
		// Update and clean up holes
		for (var i = holes.length - 1; i >= 0; i--) {
			var hole = holes[i];
			if (hole.x < -200) {
				hole.destroy();
				holes.splice(i, 1);
			}
		}
		// Update and clean up enemies
		for (var i = enemies.length - 1; i >= 0; i--) {
			var enemy = enemies[i];
			if (enemy.x < -100) {
				enemy.destroy();
				enemies.splice(i, 1);
			}
		}
		// Update and clean up obstacles
		for (var i = obstacles.length - 1; i >= 0; i--) {
			var obstacle = obstacles[i];
			if (obstacle.x < -100) {
				obstacle.destroy();
				obstacles.splice(i, 1);
			}
		}
		// Update and clean up bullets
		for (var i = bullets.length - 1; i >= 0; i--) {
			var bullet = bullets[i];
			if (bullet.x > 2200) {
				bullet.destroy();
				bullets.splice(i, 1);
			}
		}
		// Update and clean up flying enemies
		for (var i = flyingEnemies.length - 1; i >= 0; i--) {
			var flyingEnemy = flyingEnemies[i];
			if (flyingEnemy.x < -100) {
				flyingEnemy.destroy();
				flyingEnemies.splice(i, 1);
			}
		}
		// Update and clean up weapons
		for (var i = weapons.length - 1; i >= 0; i--) {
			var weapon = weapons[i];
			if (weapon.x < -100) {
				weapon.destroy();
				weapons.splice(i, 1);
			}
		}
		// Update shoot timer
		if (shootTimer > 0) {
			shootTimer--;
		}
		// Check collisions
		checkCollisions();
		// Update score
		LK.setScore(Math.floor(distance));
		// Check win condition
		if (distance >= 100000) {
			gameState = 'won';
			LK.showYouWin();
			return;
		}
	}
};
// Show customization UI initially
game.addChild(customizeText);
game.addChild(startText);
game.addChild(character1Button);
game.addChild(character2Button);
game.addChild(character3Button);
;

===================================================================
--- original.js
+++ change.js
@@ -95,8 +95,10 @@
 	self.maxJumps = 2;
 	self.characterType = 'player';
 	self.isInvincible = false;
 	self.invincibilityTimer = 0;
+	self.hasWeapon = false;
+	self.weaponGraphics = null;
 	self.jump = function () {
 		if (self.jumpCount < self.maxJumps) {
 			if (!self.isJumping) {
 				self.isJumping = true;
@@ -143,8 +145,23 @@
 				}
 			}
 		});
 	};
+	self.pickupWeapon = function () {
+		self.hasWeapon = true;
+		// Create weapon graphics attached to player
+		if (self.weaponGraphics) {
+			self.weaponGraphics.destroy();
+		}
+		self.weaponGraphics = self.attachAsset('weapon', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.weaponGraphics.x = 30;
+		self.weaponGraphics.y = -50;
+		self.weaponGraphics.scaleX = 0.6;
+		self.weaponGraphics.scaleY = 0.6;
+	};
 	self.update = function () {
 		if (self.isJumping) {
 			self.jumpSpeed += self.gravity;
 			self.y += self.jumpSpeed;
@@ -167,8 +184,21 @@
 		}
 	};
 	return self;
 });
+var Weapon = Container.expand(function () {
+	var self = Container.call(this);
+	var weaponGraphics = self.attachAsset('weapon', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -8;
+	self.update = function () {
+		self.x += self.speed;
+		self.y += Math.sin(LK.ticks * 0.1) * 2; // Floating animation
+	};
+	return self;
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -186,8 +216,9 @@
 var enemies = [];
 var obstacles = [];
 var bullets = [];
 var flyingEnemies = [];
+var weapons = [];
 var gameSpeed = 8;
 var spawnTimer = 0;
 var shootTimer = 0;
 var distance = 0;
@@ -302,8 +333,12 @@
 	for (var i = flyingEnemies.length - 1; i >= 0; i--) {
 		flyingEnemies[i].destroy();
 		flyingEnemies.splice(i, 1);
 	}
+	for (var i = weapons.length - 1; i >= 0; i--) {
+		weapons[i].destroy();
+		weapons.splice(i, 1);
+	}
 }
 function spawnObstacle() {
 	var rand = Math.random();
 	var spawnX = 2200;
@@ -338,8 +373,16 @@
 		flyingEnemy.y = groundY - 300 - Math.random() * 200;
 		flyingEnemy.speed = -gameSpeed;
 		flyingEnemies.push(flyingEnemy);
 		game.addChild(flyingEnemy);
+	} else if (rand < 0.5 && !player.hasWeapon) {
+		// Spawn weapon pickup (only if player doesn't have weapon)
+		var weapon = new Weapon();
+		weapon.x = spawnX;
+		weapon.y = groundY - 100;
+		weapon.speed = -gameSpeed;
+		weapons.push(weapon);
+		game.addChild(weapon);
 	}
 }
 function checkCollisions() {
 	// Check bullet vs enemy collisions
@@ -373,8 +416,20 @@
 				}
 			}
 		}
 	}
+	// Check weapon pickup collisions
+	for (var i = weapons.length - 1; i >= 0; i--) {
+		var weapon = weapons[i];
+		if (player.intersects(weapon)) {
+			// Player picks up weapon
+			player.pickupWeapon();
+			weapon.destroy();
+			weapons.splice(i, 1);
+			LK.getSound('weaponPickup').play();
+			break;
+		}
+	}
 	// Skip damage collisions if invincible
 	if (!player.isInvincible) {
 		// Check hole collisions
 		for (var i = 0; i < holes.length; i++) {
@@ -431,8 +486,11 @@
 	}
 	for (var i = 0; i < flyingEnemies.length; i++) {
 		flyingEnemies[i].speed = -gameSpeed;
 	}
+	for (var i = 0; i < weapons.length; i++) {
+		weapons[i].speed = -gameSpeed;
+	}
 }
 game.down = function (x, y, obj) {
 	if (gameState === 'customization') {
 		// Check character 1 button
@@ -455,16 +513,23 @@
 			// First tap - jump
 			player.jump();
 		} else {
 			// Second tap - shoot bullet
-			if (shootTimer <= 0) {
+			var canShoot = player.hasWeapon ? shootTimer <= 0 : shootTimer <= 0 && player.jumpCount > 0;
+			if (canShoot) {
 				var bullet = new Bullet();
 				bullet.x = player.x + 50;
 				bullet.y = player.y - 100;
+				// Weapon makes bullets faster and stronger
+				if (player.hasWeapon) {
+					bullet.speed = 20;
+					bullet.scaleX = 1.2;
+					bullet.scaleY = 1.2;
+				}
 				bullets.push(bullet);
 				game.addChild(bullet);
 				LK.getSound('shoot').play();
-				shootTimer = 10; // Cooldown
+				shootTimer = player.hasWeapon ? 5 : 10; // Faster shooting with weapon
 			}
 		}
 	}
 };
@@ -538,8 +603,16 @@
 				flyingEnemy.destroy();
 				flyingEnemies.splice(i, 1);
 			}
 		}
+		// Update and clean up weapons
+		for (var i = weapons.length - 1; i >= 0; i--) {
+			var weapon = weapons[i];
+			if (weapon.x < -100) {
+				weapon.destroy();
+				weapons.splice(i, 1);
+			}
+		}
 		// Update shoot timer
 		if (shootTimer > 0) {
 			shootTimer--;
 		}