/**** * 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.direction = 1; // 1 for right, -1 for left self.update = function () { self.x += self.speed * self.direction; // Remove if out of screen if (self.x < -100 || self.x > 2148) { return true; // Signal to remove bullet } return false; }; return self; }); var ControlButton = Container.expand(function (type) { var self = Container.call(this); var btnGraphics; if (type === "left" || type === "right") { btnGraphics = self.attachAsset('controlBtn', { anchorX: 0.5, anchorY: 0.5, alpha: 0.5 }); } else if (type === "jump") { btnGraphics = self.attachAsset('jumpBtn', { anchorX: 0.5, anchorY: 0.5, alpha: 0.5 }); } else { // shoot btnGraphics = self.attachAsset('shootBtn', { anchorX: 0.5, anchorY: 0.5, alpha: 0.5 }); } // Button type self.type = type; self.isPressed = false; // Text for button var btnText = new Text2(type.toUpperCase(), { size: 40, fill: 0xFFFFFF }); btnText.anchor.set(0.5, 0.5); self.addChild(btnText); // Event handlers self.down = function (x, y, obj) { self.isPressed = true; btnGraphics.alpha = 0.8; }; self.up = function (x, y, obj) { self.isPressed = false; btnGraphics.alpha = 0.5; }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); // Enemy properties self.moveDirection = Math.random() > 0.5 ? 1 : -1; self.speed = 1.5 + Math.random(); // Slow down enemy speed self.shootCooldown = 0; self.shootInterval = 120 + Math.floor(Math.random() * 60); // Set movement direction if (self.moveDirection < 0) { enemyGraphics.scaleX = -1; } // Update enemy behavior self.update = function (playerX, playerY) { // Move enemy back and forth on their platform self.x += self.speed * self.moveDirection; // Check if enemy should shoot self.shootCooldown++; if (self.shootCooldown >= self.shootInterval) { self.shootCooldown = 0; return true; // Signal to create a bullet } return false; }; // Handle platform boundaries self.checkPlatformBoundaries = function (platform) { var platformWidth = platform.children[0].width; var enemyWidth = enemyGraphics.width; var platformLeft = platform.x - platformWidth / 2 + enemyWidth / 2; var platformRight = platform.x + platformWidth / 2 - enemyWidth / 2; if (self.x <= platformLeft) { self.x = platformLeft; self.moveDirection *= -1; enemyGraphics.scaleX = 1; } else if (self.x >= platformRight) { self.x = platformRight; self.moveDirection *= -1; enemyGraphics.scaleX = -1; } }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 4; self.velocityX = 0; self.velocityY = 0; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Remove if out of screen if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) { return true; // Signal to remove bullet } return false; }; return self; }); var Platform = Container.expand(function () { var self = Container.call(this); var platformGraphics = self.attachAsset('platform', { anchorX: 0.5, anchorY: 0.5 }); return self; }); var Player = Container.expand(function () { var self = Container.call(this); var playerGraphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); // Player properties self.velocityX = 0; self.velocityY = 0; self.speed = 10; self.jumpPower = -22; self.gravity = 1; self.isJumping = false; self.hasDoubleJumped = false; // Initialize double jump property self.hasTripleJumped = false; // Initialize triple jump property self.facingRight = true; // Set initial direction self.setDirection = function (direction) { if (direction === "right" && !self.facingRight) { playerGraphics.scaleX = 1; self.facingRight = true; } else if (direction === "left" && self.facingRight) { playerGraphics.scaleX = -1; self.facingRight = false; } }; // Handle jumping self.jump = function () { if (!self.isJumping || self.isJumping && !self.hasDoubleJumped || self.isJumping && self.hasDoubleJumped && !self.hasTripleJumped || self.isJumping && self.hasTripleJumped && !self.hasQuadrupleJumped || self.isJumping && self.hasQuadrupleJumped && !self.hasQuintupleJumped) { if (self.isJumping && !self.hasDoubleJumped) { self.hasDoubleJumped = true; // Allow double jump } else if (self.isJumping && self.hasDoubleJumped && !self.hasTripleJumped) { self.hasTripleJumped = true; // Allow triple jump } else if (self.isJumping && self.hasTripleJumped && !self.hasQuadrupleJumped) { self.hasQuadrupleJumped = true; // Allow quadruple jump } else if (self.isJumping && self.hasQuadrupleJumped && !self.hasQuintupleJumped) { self.hasQuintupleJumped = true; // Allow quintuple jump } self.velocityY = self.jumpPower; self.isJumping = true; LK.getSound('jump').play(); } }; // Check if player is on a platform self.checkPlatformCollision = function (platforms) { var onPlatform = false; for (var i = 0; i < platforms.length; i++) { var platform = platforms[i]; // Only check collision if the player is moving downward if (self.velocityY >= 0) { // Check if player's feet are at or slightly above the platform // and player's center is within the platform's width var playerBottom = self.y + playerGraphics.height / 2; var platformTop = platform.y - platform.children[0].height / 2; var platformLeft = platform.x - platform.children[0].width / 2; var platformRight = platform.x + platform.children[0].width / 2; if (self.x >= platformLeft && self.x <= platformRight && playerBottom >= platformTop - 10 && playerBottom <= platformTop + 15) { self.y = platformTop - playerGraphics.height / 2; self.velocityY = 0; self.isJumping = false; onPlatform = true; self.hasDoubleJumped = false; // Reset double jump when landing self.hasTripleJumped = false; // Reset triple jump when landing self.hasQuadrupleJumped = false; // Reset quadruple jump when landing self.hasQuintupleJumped = false; // Reset quintuple jump when landing break; } } } return onPlatform; }; // Physics update self.updatePhysics = function (platforms) { // Apply gravity self.velocityY += self.gravity; // Apply velocity self.x += self.velocityX; self.y += self.velocityY; // Check platform collision var onPlatform = self.checkPlatformCollision(platforms); // If not on platform, player is jumping/falling if (!onPlatform) { self.isJumping = true; } // Screen boundaries if (self.x < 50) { self.x = 50; } else if (self.x > 2048 - 50) { self.x = 2048 - 50; } // Check if player falls off the screen if (self.y > 2732 + 200) { LK.showGameOver(); // Show game over screen gameRunning = false; // Stop the game loop } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 // Black background }); /**** * Game Code ****/ // Function to proceed to the next level function nextLevel() { // Increase difficulty difficultyLevel = Math.min(difficultyLevel + 0.1, 2.5); // Reset player position player.x = 2048 / 2; player.y = 2732 / 2; // Clear existing platforms and enemies for (var i = platforms.length - 1; i >= 0; i--) { game.removeChild(platforms[i]); platforms.splice(i, 1); } for (var i = enemies.length - 1; i >= 0; i--) { game.removeChild(enemies[i].enemy); enemies.splice(i, 1); } // Create new platforms and enemies createInitialPlatforms(); // Reset score display updateScore(); // Continue game loop gameRunning = true; } // Game variables var player; var platforms = []; var enemies = []; var bullets = []; var enemyBullets = []; var btnLeft, btnRight, btnJump, btnShoot; var gameRunning = true; var playerHealth = 5; // Initialize player health var score = 0; var scoreTxt; var difficultyLevel = 1; var platformYOffset = 0; // Initialize the game function initGame() { // Attach background image var background = LK.getAsset('background', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 }); game.addChild(background); // Play background music LK.playMusic('gameMusic', { loop: true }); // Reset player health playerHealth = 5; // Create player player = new Player(); player.x = 2048 / 2; player.y = 2732 / 2; game.addChild(player); // Create initial platforms createInitialPlatforms(); // Create control buttons createControlButtons(); // Create score display scoreTxt = new Text2("SCORE: 0", { size: 50, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); scoreTxt.y = 50; // Give some padding from the top } // Create initial platforms and enemies function createInitialPlatforms() { // Create bottom platform (starting platform) var startPlatform = new Platform(); startPlatform.x = 2048 / 2; startPlatform.y = 2732 / 2 + 200; game.addChild(startPlatform); platforms.push(startPlatform); // Add player to starting platform player.x = startPlatform.x; player.y = startPlatform.y - 100; // Add more platforms for (var i = 0; i < 6; i++) { // Limit platforms to 6 // Limit platforms to 7 var platform = createPlatform(); // Ensure enemies are not placed on the player's starting platform if (i > 0) { createEnemy(platform); } } } // Create a new platform with random position function createPlatform() { var platform = new Platform(); // Random X position platform.x = Math.random() * (2048 - 400) + 200; // Y position depends on the last platform created var lastPlatform = platforms[platforms.length - 1]; platform.y = lastPlatform.y - (200 + Math.random() * 100); game.addChild(platform); platforms.push(platform); // Add enemy on platform with some probability if (Math.random() < 0.4 * difficultyLevel) { createEnemy(platform); } return platform; } // Create an enemy on a platform function createEnemy(platform) { var enemy = new Enemy(); enemy.x = platform.x; enemy.y = platform.y - 70; // Position on top of platform game.addChild(enemy); enemies.push({ enemy: enemy, platform: platform }); } // Create control buttons function createControlButtons() { // Left control btnLeft = new ControlButton("left"); btnLeft.x = 150; btnLeft.y = 2732 - 150; game.addChild(btnLeft); // Right control btnRight = new ControlButton("right"); btnRight.x = 350; btnRight.y = 2732 - 150; game.addChild(btnRight); // Jump button btnJump = new ControlButton("jump"); btnJump.x = 2048 - 350; btnJump.y = 2732 - 150; game.addChild(btnJump); // Shoot button btnShoot = new ControlButton("shoot"); btnShoot.x = 2048 - 150; btnShoot.y = 2732 - 150; game.addChild(btnShoot); } // Create player bullet function createPlayerBullet() { var bullet = new Bullet(); bullet.x = player.x; bullet.y = player.y; // Set direction based on player facing direction bullet.direction = player.facingRight ? 1 : -1; game.addChild(bullet); bullets.push(bullet); LK.getSound('shoot').play(); } // Create enemy bullet function createEnemyBullet(enemy) { var bullet = new EnemyBullet(); bullet.x = enemy.x; bullet.y = enemy.y; // Set bullet to only shoot left or right bullet.velocityX = player.x > enemy.x ? bullet.speed : -bullet.speed; bullet.velocityY = 0; game.addChild(bullet); enemyBullets.push(bullet); LK.getSound('enemyShoot').play(); } // Check if object is visible on screen function isVisible(obj) { return obj.y > -100 && obj.y < 2832; } // Handle scrolling and creation of new platforms function handleWorldScrolling() { // If player is above the middle of the screen, scroll everything down if (player.y < 2732 / 3) { var scrollAmount = 2732 / 3 - player.y; player.y += scrollAmount; platformYOffset += scrollAmount; // Move all platforms and enemies down for (var i = 0; i < platforms.length; i++) { platforms[i].y += scrollAmount; } for (var i = 0; i < enemies.length; i++) { enemies[i].enemy.y += scrollAmount; } for (var i = 0; i < bullets.length; i++) { bullets[i].y += scrollAmount; } for (var i = 0; i < enemyBullets.length; i++) { enemyBullets[i].y += scrollAmount; } // Remove platforms that are out of view for (var i = platforms.length - 1; i >= 0; i--) { if (!isVisible(platforms[i])) { game.removeChild(platforms[i]); platforms.splice(i, 1); // Remove associated enemies for (var j = enemies.length - 1; j >= 0; j--) { if (enemies[j].platform === platforms[i]) { game.removeChild(enemies[j].enemy); enemies.splice(j, 1); } } // Create a new platform createPlatform(); // Increase score score += 10; updateScore(); // Increase difficulty every 100 points if (score % 100 === 0) { difficultyLevel = Math.min(difficultyLevel + 0.1, 2.5); } } } } } // Update score display function updateScore() { scoreTxt.setText("SCORE: " + score); } // Handle player movement based on button presses function handlePlayerControls() { // Reset horizontal velocity player.velocityX = 0; // Move left/right if (btnLeft.isPressed) { player.velocityX = -player.speed; player.setDirection("left"); } else if (btnRight.isPressed) { player.velocityX = player.speed; player.setDirection("right"); } // Jump if (btnJump.isPressed) { player.jump(); btnJump.isPressed = false; // Reset to prevent continuous jumping } // Shoot (with cooldown) if (btnShoot.isPressed && LK.ticks % 15 === 0) { createPlayerBullet(); } } // Check collisions between bullets and targets function checkCollisions() { // Trigger game over when player health reaches zero if (playerHealth <= 0) { LK.showGameOver(); // Show game over screen gameRunning = false; // Stop the game loop } // Check player bullets vs enemies for (var i = bullets.length - 1; i >= 0; i--) { for (var j = enemies.length - 1; j >= 0; j--) { if (bullets[i] && bullets[i].intersects(enemies[j].enemy)) { // Remove bullet game.removeChild(bullets[i]); bullets.splice(i, 1); // Remove enemy game.removeChild(enemies[j].enemy); enemies.splice(j, 1); // Add score score += 25; updateScore(); // Play hit sound LK.getSound('hit').play(); // Flash effect LK.effects.flashScreen(0xFFFFFF, 100); break; } } } // Trigger next level when all enemies are defeated if (enemies.length === 0) { nextLevel(); // Proceed to the next level } // Check enemy bullets vs player for (var i = enemyBullets.length - 1; i >= 0; i--) { if (enemyBullets[i].intersects(player)) { // Decrease player health playerHealth--; LK.getSound('hit').play(); LK.effects.flashScreen(0xFF0000, 500); // Trigger game over if player health reaches zero if (playerHealth <= 0) { LK.showGameOver(); // Show game over screen gameRunning = false; // Stop the game loop } break; } } } // Update function called every frame game.update = function () { if (!gameRunning) { return; } // Restart game when game over is shown if (!gameRunning) { initGame(); gameRunning = true; } // Handle player controls handlePlayerControls(); // Update player physics player.updatePhysics(platforms); // Handle world scrolling and platform generation handleWorldScrolling(); // Update enemy behavior for (var i = 0; i < enemies.length; i++) { var enemyObj = enemies[i]; var shouldShoot = enemyObj.enemy.update(player.x, player.y); // Check platform boundaries enemyObj.enemy.checkPlatformBoundaries(enemyObj.platform); // Create enemy bullet if it's time to shoot if (shouldShoot) { createEnemyBullet(enemyObj.enemy); } } // Update player bullets for (var i = bullets.length - 1; i >= 0; i--) { var shouldRemove = bullets[i].update(); if (shouldRemove) { game.removeChild(bullets[i]); bullets.splice(i, 1); } } // Update enemy bullets for (var i = enemyBullets.length - 1; i >= 0; i--) { var shouldRemove = enemyBullets[i].update(); if (shouldRemove) { game.removeChild(enemyBullets[i]); enemyBullets.splice(i, 1); } } // Check collisions checkCollisions(); }; // Game movement handler game.move = function (x, y, obj) { // We don't need any additional handling here // as our control buttons handle their own states }; // Initialize the game initGame(); // Trigger game over when player falls off the screen if (player.y > 2732 + 200) { LK.showGameOver(); // Show game over screen gameRunning = false; // Stop the game loop }