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

/**** 
* Classes
****/ 
// Define a class for coins with 8-frame animation
var Coin = Container.expand(function () {
	var self = Container.call(this);
	// Create and attach all 8 coin frames
	self.frames = [self.attachAsset('coinFrame1', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1 // First frame visible initially
	}), self.attachAsset('coinFrame2', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0 // Hidden initially
	}), self.attachAsset('coinFrame3', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	}), self.attachAsset('coinFrame4', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	}), self.attachAsset('coinFrame5', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	}), self.attachAsset('coinFrame6', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	}), self.attachAsset('coinFrame7', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	}), self.attachAsset('coinFrame8', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	})];
	self.currentFrame = 0;
	self.speed = 10; // Horizontal movement speed
	self.collected = false;
	self.animationSpeed = 4; // Frames to wait before changing animation frame
	// Initialize animation
	self.startAnimation = function () {
		// Use tween to handle frame animation in a smooth way
		self.animate();
	};
	self.animate = function () {
		// Hide current frame
		self.frames[self.currentFrame].alpha = 0;
		// Move to next frame
		self.currentFrame = (self.currentFrame + 1) % self.frames.length;
		// Show next frame
		self.frames[self.currentFrame].alpha = 1;
		// Setup next animation frame with tween
		LK.setTimeout(function () {
			if (!self.destroyed) {
				self.animate();
			}
		}, 100); // 100ms between frames for a good rotation speed
	};
	self.getBounds = function () {
		return {
			left: self.x - 40,
			right: self.x + 40,
			top: self.y - 40,
			bottom: self.y + 40
		};
	};
	self.update = function () {
		// Move coin from right to left
		self.x -= self.speed;
		// Remove coin when it goes off-screen
		if (self.x < -100) {
			self.destroy();
		}
		// Check if player collected the coin (intersection with player)
		if (!self.collected && player && player.getBounds) {
			var coinBounds = self.getBounds();
			var playerBounds = player.getBounds();
			if (playerBounds.left < coinBounds.right && playerBounds.right > coinBounds.left && playerBounds.top < coinBounds.bottom && playerBounds.bottom > coinBounds.top) {
				self.collected = true;
				// Coin collection animation
				tween(self, {
					y: self.y - 100,
					alpha: 0
				}, {
					duration: 500,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Increment score
						LK.setScore(LK.getScore() + 10);
						if (scoreText) {
							scoreText.setText(LK.getScore());
						}
						self.destroy();
					}
				});
			}
		}
	};
	// Start the animation when created
	self.startAnimation();
	return self;
});
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15; // Plus rapide que le sol (10) pour qu'ils avancent vers la gauche
	self.velocityY = 0;
	self.gravity = 0.7; // Même gravité que le joueur
	self.currentPlatform = null; // Plateforme actuelle sur laquelle l'ennemi se trouve
	self.update = function () {
		self.x -= self.speed;
		// Vérifier si l'ennemi est toujours sur sa plateforme actuelle
		if (self.currentPlatform) {
			var enemyBounds = self.getBounds();
			var platformBounds = {
				left: self.currentPlatform.x - 500,
				right: self.currentPlatform.x + 500
			};
			// Si l'ennemi sort de la plateforme, il commence à tomber
			if (enemyBounds.left > platformBounds.right || enemyBounds.right < platformBounds.left) {
				self.currentPlatform = null;
			}
		}
		// Appliquer la gravité si l'ennemi n'est pas sur une plateforme
		if (!self.currentPlatform) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
		}
		// Vérifier collision avec le sol
		if (self.y >= groundLevel) {
			self.y = groundLevel;
			self.velocityY = 0;
			self.currentPlatform = null; // L'ennemi est sur le sol, pas sur une plateforme
		}
		// Vérifier collision avec les plateformes seulement si l'ennemi tombe
		if (self.velocityY > 0) {
			for (var i = 0; i < platforms.length; i++) {
				var platform = platforms[i];
				var enemyBounds = self.getBounds();
				var platformBounds = {
					left: platform.x - 500,
					right: platform.x + 500,
					top: platform.y - 50,
					bottom: platform.y + 50
				};
				// Si l'ennemi atterrit sur une plateforme
				if (enemyBounds.bottom >= platformBounds.top && enemyBounds.bottom - self.velocityY < platformBounds.top && enemyBounds.right > platformBounds.left && enemyBounds.left < platformBounds.right) {
					self.y = platform.y - 75;
					self.velocityY = 0;
					self.currentPlatform = platform; // Mémoriser la plateforme actuelle
					break;
				}
			}
		}
		if (self.x < -50) {
			self.destroy();
		}
	};
	self.getBounds = function () {
		return {
			left: self.x - 50,
			right: self.x + 50,
			top: self.y - 50,
			bottom: self.y + 50
		};
	};
	return self;
});
// Define a class for platforms
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.passed = false;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -500) {
			self.destroy();
		}
	};
	return self;
});
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.runFrames = [self.attachAsset('playerRunFrame1', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1
	}), self.attachAsset('playerRunFrame2', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	}), self.attachAsset('playerRunFrame', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	})];
	self.currentRunFrame = 0;
	self.speed = 5;
	self.jumpHeight = 35; // Réduire légèrement la hauteur de saut
	self.isJumping = false;
	self.velocityY = 0;
	self.isFalling = false;
	self.currentPlatform = null;
	self.playerHeight = 400; // Hauteur du sprite du joueur
	self.jumpFrame = self.attachAsset('playerJumpFrame', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0 // Hide the jump frame by setting alpha to 0
	});
	self.getBounds = function () {
		return {
			left: self.x - 75,
			right: self.x + 75,
			top: self.y - 100,
			bottom: self.y + 100
		};
	};
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 2.0; // Increase gravity for faster fall without changing jump height
			self.isFalling = self.velocityY > 0;
			self.jumpFrame.alpha = 1; // While jumping, switch to the jump frame
			self.runFrames[self.currentRunFrame].alpha = 0; // Hide the player asset when jumping
			// Check for platform collision
			self.checkPlatformCollision();
			// Check for ground collision
			if (self.y >= groundLevel - 100 && !self.currentPlatform) {
				// Ground level
				self.y = groundLevel - 100;
				self.isJumping = false;
				self.velocityY = 0;
				self.jumpFrame.alpha = 0; // When not jumping, switch back to the normal frame
				self.runFrames[self.currentRunFrame].alpha = 1; // Show the player asset when not jumping
				// Add a bounce effect
				tween(self, {
					scaleX: 1.2,
					scaleY: 0.8
				}, {
					duration: 100,
					easing: tween.elasticOut,
					onFinish: function onFinish() {
						tween(self, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 500,
							easing: tween.elasticOut
						});
					}
				});
			}
		} else {
			// Check if player is still on the platform
			if (self.currentPlatform) {
				var platformBounds = {
					left: self.currentPlatform.x - 500,
					right: self.currentPlatform.x + 500
				};
				var playerBounds = self.getBounds();
				// If player is no longer on the platform, start falling
				if (playerBounds.left > platformBounds.right || playerBounds.right < platformBounds.left) {
					self.isJumping = true;
					self.velocityY = 0.1; // Start with a small downward velocity
					self.isFalling = true;
					self.currentPlatform = null;
					self.jumpFrame.alpha = 1;
					self.runFrames[self.currentRunFrame].alpha = 0;
				}
			}
			// Handle running animation
			if (LK.ticks % 5 === 0) {
				// Fine-tuned interval for balanced and natural pace
				// Adjusted interval for balanced pace
				self.runFrames[self.currentRunFrame].alpha = 0; // Hide current frame
				self.currentRunFrame = (self.currentRunFrame + 1) % self.runFrames.length; // Switch to next frame
				self.runFrames[self.currentRunFrame].alpha = 1; // Show next frame
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.velocityY = -self.jumpHeight * 1.5; // Increase initial jump velocity for a faster jump
			self.jumpFrame.alpha = 1; // Make jump frame visible
			LK.getSound('jump').play(); // Play jump sound
			self.currentPlatform = null;
		}
	};
	self.checkPlatformCollision = function () {
		for (var i = 0; i < platforms.length; i++) {
			var platform = platforms[i];
			var platformBounds = {
				left: platform.x - 500,
				right: platform.x + 500,
				top: platform.y - 50,
				bottom: platform.y + 50
			};
			var playerBounds = self.getBounds();
			// Check if player is above the platform and falling
			if (self.velocityY > 0 && playerBounds.bottom >= platformBounds.top && playerBounds.bottom - self.velocityY < platformBounds.top && playerBounds.right > platformBounds.left && playerBounds.left < platformBounds.right) {
				// Land on the platform
				// Utiliser la moitié de la hauteur du joueur pour le positionner correctement sur la plateforme
				self.y = platform.y - self.playerHeight / 2;
				self.velocityY = 0;
				self.isJumping = false;
				self.isFalling = false;
				self.currentPlatform = platform;
				self.jumpFrame.alpha = 0;
				self.runFrames[self.currentRunFrame].alpha = 1;
				// Add a bounce effect
				tween(self, {
					scaleX: 1.2,
					scaleY: 0.8
				}, {
					duration: 100,
					easing: tween.elasticOut,
					onFinish: function onFinish() {
						tween(self, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 500,
							easing: tween.elasticOut
						});
					}
				});
				return true;
			}
		}
		return false;
	};
});

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

/**** 
* Game Code
****/ 
/**** 
* Global Variables
****/ 
var level1Height;
var level2Height;
var game;
var background;
var player;
var enemies;
var enemySpawnInterval;
var enemySpawnCounter;
var coins;
var scoreText;
var backgroundContainer;
var middlegroundContainer;
var foregroundContainer;
var bgClose;
var bgClose2;
var bgFar;
var bgFar2;
var platforms;
var ground;
var ground2;
var groundLevel;
// Handle game updates
game.update = function () {
	// Parallax scrolling
	bgClose.x -= 4; // Increase speed for close background
	bgClose2.x -= 4; // Move the duplicate at the same speed
	bgFar.x -= 2; // Increase speed for far background
	bgFar2.x -= 2; // Move the duplicate at the same speed
	// Repeat backgrounds infinitely
	if (bgClose.x <= -bgClose.width) {
		bgClose.x = bgClose2.x + bgClose2.width;
	}
	if (bgClose2.x <= -bgClose2.width) {
		bgClose2.x = bgClose.x + bgClose.width;
	}
	if (bgFar.x <= -bgFar.width) {
		bgFar.x = bgFar2.x + bgFar2.width;
	}
	if (bgFar2.x <= -bgFar2.width) {
		bgFar2.x = bgFar.x + bgFar.width;
	}
	// Scroll ground
	ground.x -= 10; // Même vitesse que les plateformes
	ground2.x -= 10;
	if (ground.x <= -ground.width) {
		ground.x = ground2.x + ground2.width;
	}
	if (ground2.x <= -ground2.width) {
		ground2.x = ground.x + ground.width;
	}
	// Update platforms
	for (var i = platforms.length - 1; i >= 0; i--) {
		// Ne pas appeler update() car il est déjà appelé automatiquement par le moteur
		// platforms[i].update();
		// Remove platforms that are destroyed
		if (platforms[i].destroyed) {
			platforms.splice(i, 1);
		}
	}
	// Check if we need to spawn a new platform
	if (platforms.length > 0) {
		var lastPlatform = platforms[platforms.length - 1];
		if (lastPlatform.x < 2048 + 500) {
			// Spawn a new platform
			spawnPlatform();
		}
	}
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2500; // Plus loin à droite que 2048
		// Décider si l'ennemi apparaît sur le sol ou sur une plateforme
		var spawnOnPlatform = Math.random() < 0.5 && platforms.length > 0;
		if (spawnOnPlatform) {
			// Trouver une plateforme visible à l'écran ou proche de l'écran
			var visiblePlatforms = [];
			for (var p = 0; p < platforms.length; p++) {
				if (platforms[p].x > 2200 && platforms[p].x < 2700) {
					visiblePlatforms.push(platforms[p]);
				}
			}
			// S'il y a des plateformes visibles, placer l'ennemi sur l'une d'elles
			if (visiblePlatforms.length > 0) {
				var randomPlatform = visiblePlatforms[Math.floor(Math.random() * visiblePlatforms.length)];
				// Placer l'ennemi sur la plateforme en utilisant la même logique que pour le joueur
				enemy.y = randomPlatform.y - 150;
			} else {
				// Sinon, placer l'ennemi sur le sol (même position Y que le joueur au repos)
				enemy.y = player.y;
			}
		} else {
			// Placer l'ennemi sur le sol (même position Y que le joueur au repos)
			enemy.y = player.y;
		}
		enemies.push(enemy);
		middlegroundContainer.addChild(enemy);
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Check collisions with enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		var enemyBounds = enemies[j].getBounds();
		var playerBounds = player.getBounds();
		// Check if player intersects with enemy
		if (playerBounds.left < enemyBounds.right && playerBounds.right > enemyBounds.left && playerBounds.top < enemyBounds.bottom && playerBounds.bottom > enemyBounds.top) {
			// Check if player is falling on top of the enemy
			if (player.isFalling && player.velocityY > 0 && playerBounds.bottom > enemyBounds.top && playerBounds.bottom - player.velocityY < enemyBounds.top) {
				// Player jumped on enemy - destroy enemy
				enemies[j].destroy();
				enemies.splice(j, 1);
				// Give player a small bounce after killing enemy
				player.velocityY = -15;
				// Increment score when killing enemy
				LK.setScore(LK.getScore() + 5);
				scoreText.setText(LK.getScore());
			} else {
				// Player touched enemy from side or bottom - game over
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			// Player passed enemy without touching it
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
	}
	// Spawn coins with random timing
	if (LK.ticks % Math.floor(Math.random() * 100 + 50) === 0) {
		var coin = new Coin();
		coin.x = 2500; // Start off-screen to the right
		// Randomly position the coin at one of three heights
		var randomHeight = Math.random();
		if (randomHeight < 0.33) {
			// On ground level
			coin.y = groundLevel - 100;
		} else if (randomHeight < 0.66) {
			// On level 1
			coin.y = level1Height - 100;
		} else {
			// On level 2
			coin.y = level2Height - 100;
		}
		// Add coin to the middle ground
		middlegroundContainer.addChild(coin);
	}
};
// Handle player jump
game.down = function (x, y, obj) {
	player.jump();
};
function initializeGame() {
	// Initialize containers
	backgroundContainer = new Container();
	middlegroundContainer = new Container();
	foregroundContainer = new Container();
	// Add containers to game in proper order
	game.addChild(backgroundContainer);
	game.addChild(middlegroundContainer);
	game.addChild(foregroundContainer);
	// Define fixed platform heights for two levels
	groundLevel = 2732 / 2 + 450; // Descendre le niveau du sol de 450 pixels
	// Add background
	bgFar = LK.getAsset('bgFar', {
		anchorX: 0,
		anchorY: 0
	});
	bgFar.x = 0;
	bgFar.y = 0;
	bgFar.width = 2732;
	backgroundContainer.addChild(bgFar);
	// Add second background for infinite scrolling
	bgFar2 = LK.getAsset('bgFar', {
		anchorX: 0,
		anchorY: 0
	});
	bgFar2.x = bgFar.width;
	bgFar2.y = 0;
	bgFar2.width = 2732;
	backgroundContainer.addChild(bgFar2);
	// Initialize parallax backgrounds
	bgClose = LK.getAsset('bgClose', {
		anchorX: 0,
		anchorY: 0
	});
	bgClose.x = 0;
	bgClose.y = 0;
	bgClose.width = 2732; // Set correct width to match the actual image width
	backgroundContainer.addChild(bgClose);
	// Create a duplicate of bgClose for seamless scrolling
	bgClose2 = LK.getAsset('bgClose', {
		anchorX: 0,
		anchorY: 0
	});
	bgClose2.x = bgClose.width;
	bgClose2.y = 0;
	bgClose2.width = 2732;
	backgroundContainer.addChild(bgClose2);
	// Add ground that scrolls
	ground = LK.getAsset('ground', {
		anchorX: 0,
		anchorY: 0
	});
	ground.x = 0;
	ground.y = groundLevel; // Placer le haut du sol exactement au niveau du sol
	ground.width = 2048;
	middlegroundContainer.addChild(ground);
	// Add second ground piece for infinite scrolling
	ground2 = LK.getAsset('ground', {
		anchorX: 0,
		anchorY: 0
	});
	ground2.x = ground.width;
	ground2.y = groundLevel; // Placer le haut du sol exactement au niveau du sol
	ground2.width = 2048;
	middlegroundContainer.addChild(ground2);
	// Initialize player
	player = new Player();
	player.x = 2048 / 4; // Adjust the player's initial position to be more to the left
	player.y = groundLevel - 100; // Mario légèrement au-dessus du sol
	foregroundContainer.addChild(player);
	// Initialize enemies
	enemies = [];
	enemySpawnInterval = 100;
	enemySpawnCounter = 0;
	// Initialize coins array
	var coins = [];
	// Initialize platforms
	platforms = [];
	level1Height = groundLevel - 450; // Niveau 1 à 450 pixels au-dessus du sol
	level2Height = level1Height - 450; // Niveau 2 à 450 pixels au-dessus du niveau 1
	// Create initial platforms
	for (var i = 0; i < 2; i++) {
		var platform = new Platform();
		if (i === 0) {
			platform.x = player.x + 800; // Start the first platform further away
			platform.y = level1Height; // Première plateforme toujours au niveau 1
		} else {
			// Deuxième plateforme au niveau 2, mais plus proche horizontalement
			platform.x = platforms[i - 1].x + 1200; // Plus espacé
			platform.y = level2Height;
		}
		platforms.push(platform);
		middlegroundContainer.addChild(platform);
	}
	// Create a new Text2 object to display the score
	scoreText = new Text2('0', {
		size: 100,
		fill: 0xFFFFFF
	});
	// Add the score text to the game GUI at the top center of the screen
	LK.gui.top.addChild(scoreText);
	scoreText.x = 2048 / 2;
	scoreText.y = 0;
	// Play background music
	LK.playMusic('bgMusic');
}
// Function to spawn a new platform
function spawnPlatform() {
	var platform = new Platform();
	var lastPlatform = platforms[platforms.length - 1];
	var lastHeight = lastPlatform.y;
	// Déterminer la hauteur de la nouvelle plateforme
	if (lastHeight === level1Height) {
		// Si la dernière plateforme était au niveau 1, la nouvelle sera au niveau 2
		platform.y = level2Height;
		platform.x = lastPlatform.x + 1200; // Plus espacé
	} else {
		// Si la dernière plateforme était au niveau 2, la nouvelle sera au niveau 1
		platform.y = level1Height;
		platform.x = lastPlatform.x + 1500; // Encore plus espacé après une plateforme de niveau 2
	}
	// Ajouter une chance de ne pas générer de plateforme (20%)
	if (Math.random() < 0.2) {
		// Si on décide de ne pas générer cette plateforme, on augmente la distance pour la prochaine
		lastPlatform.x += 500;
		return;
	}
	platforms.push(platform);
	middlegroundContainer.addChild(platform);
}
// Call initializeGame at the end of the file
initializeGame();

===================================================================
--- original.js
+++ change.js
@@ -5,8 +5,112 @@
 
 /**** 
 * Classes
 ****/ 
+// Define a class for coins with 8-frame animation
+var Coin = Container.expand(function () {
+	var self = Container.call(this);
+	// Create and attach all 8 coin frames
+	self.frames = [self.attachAsset('coinFrame1', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 1 // First frame visible initially
+	}), self.attachAsset('coinFrame2', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0 // Hidden initially
+	}), self.attachAsset('coinFrame3', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	}), self.attachAsset('coinFrame4', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	}), self.attachAsset('coinFrame5', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	}), self.attachAsset('coinFrame6', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	}), self.attachAsset('coinFrame7', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	}), self.attachAsset('coinFrame8', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0
+	})];
+	self.currentFrame = 0;
+	self.speed = 10; // Horizontal movement speed
+	self.collected = false;
+	self.animationSpeed = 4; // Frames to wait before changing animation frame
+	// Initialize animation
+	self.startAnimation = function () {
+		// Use tween to handle frame animation in a smooth way
+		self.animate();
+	};
+	self.animate = function () {
+		// Hide current frame
+		self.frames[self.currentFrame].alpha = 0;
+		// Move to next frame
+		self.currentFrame = (self.currentFrame + 1) % self.frames.length;
+		// Show next frame
+		self.frames[self.currentFrame].alpha = 1;
+		// Setup next animation frame with tween
+		LK.setTimeout(function () {
+			if (!self.destroyed) {
+				self.animate();
+			}
+		}, 100); // 100ms between frames for a good rotation speed
+	};
+	self.getBounds = function () {
+		return {
+			left: self.x - 40,
+			right: self.x + 40,
+			top: self.y - 40,
+			bottom: self.y + 40
+		};
+	};
+	self.update = function () {
+		// Move coin from right to left
+		self.x -= self.speed;
+		// Remove coin when it goes off-screen
+		if (self.x < -100) {
+			self.destroy();
+		}
+		// Check if player collected the coin (intersection with player)
+		if (!self.collected && player && player.getBounds) {
+			var coinBounds = self.getBounds();
+			var playerBounds = player.getBounds();
+			if (playerBounds.left < coinBounds.right && playerBounds.right > coinBounds.left && playerBounds.top < coinBounds.bottom && playerBounds.bottom > coinBounds.top) {
+				self.collected = true;
+				// Coin collection animation
+				tween(self, {
+					y: self.y - 100,
+					alpha: 0
+				}, {
+					duration: 500,
+					easing: tween.easeOut,
+					onFinish: function onFinish() {
+						// Increment score
+						LK.setScore(LK.getScore() + 10);
+						if (scoreText) {
+							scoreText.setText(LK.getScore());
+						}
+						self.destroy();
+					}
+				});
+			}
+		}
+	};
+	// Start the animation when created
+	self.startAnimation();
+	return self;
+});
 // Define a class for enemies
 var Enemy = Container.expand(function () {
 	var self = Container.call(this);
 	var enemyGraphics = self.attachAsset('enemy', {
@@ -268,8 +372,9 @@
 var player;
 var enemies;
 var enemySpawnInterval;
 var enemySpawnCounter;
+var coins;
 var scoreText;
 var backgroundContainer;
 var middlegroundContainer;
 var foregroundContainer;
@@ -388,8 +493,27 @@
 			LK.setScore(LK.getScore() + 1);
 			scoreText.setText(LK.getScore());
 		}
 	}
+	// Spawn coins with random timing
+	if (LK.ticks % Math.floor(Math.random() * 100 + 50) === 0) {
+		var coin = new Coin();
+		coin.x = 2500; // Start off-screen to the right
+		// Randomly position the coin at one of three heights
+		var randomHeight = Math.random();
+		if (randomHeight < 0.33) {
+			// On ground level
+			coin.y = groundLevel - 100;
+		} else if (randomHeight < 0.66) {
+			// On level 1
+			coin.y = level1Height - 100;
+		} else {
+			// On level 2
+			coin.y = level2Height - 100;
+		}
+		// Add coin to the middle ground
+		middlegroundContainer.addChild(coin);
+	}
 };
 // Handle player jump
 game.down = function (x, y, obj) {
 	player.jump();
@@ -467,8 +591,10 @@
 	// Initialize enemies
 	enemies = [];
 	enemySpawnInterval = 100;
 	enemySpawnCounter = 0;
+	// Initialize coins array
+	var coins = [];
 	// Initialize platforms
 	platforms = [];
 	level1Height = groundLevel - 450; // Niveau 1 à 450 pixels au-dessus du sol
 	level2Height = level1Height - 450; // Niveau 2 à 450 pixels au-dessus du niveau 1