/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var ActionButton = Container.expand(function (label) { var self = Container.call(this); var buttonGraphics = self.attachAsset('actionButton', { anchorX: 0.5, anchorY: 0.5, alpha: 0.5 }); var buttonText = new Text2(label, { size: 60, fill: 0xFFFFFF }); buttonText.anchor.set(0.5, 0.5); self.addChild(buttonText); self.buttonType = label; self.isPressed = false; self.down = function () { self.isPressed = true; buttonGraphics.alpha = 0.8; if (self.buttonType === 'A') { player.shoot(); } else if (self.buttonType === 'B') { player.jump(); } }; self.up = function () { self.isPressed = false; buttonGraphics.alpha = 0.5; }; return self; }); var Background = Container.expand(function () { var self = Container.call(this); var backgroundGraphics = self.attachAsset('background', { anchorX: 0, anchorY: 0 }); return self; }); var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.direction = 1; // 1 for right, -1 for left self.speed = 15; self.fromPlayer = true; self.update = function () { self.x += self.speed * self.direction; // Check if bullet is off-screen if (self.x < -50 || self.x > 2100) { self.shouldRemove = true; } }; return self; }); var Character = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('soldier', { anchorX: 0.5, anchorY: 1.0 }); self.direction = 1; // 1 for right, -1 for left self.velocityY = 0; self.velocityX = 0; self.speed = 8; self.jumpForce = -20; self.gravity = 1; self.isJumping = false; self.isGrounded = false; self.jumpsRemaining = 0; self.maxJumps = 7; self.platform = null; self.health = 100; self.maxHealth = 100; self.jump = function () { if (self.isGrounded || self.jumpsRemaining > 0) { self.velocityY = self.jumpForce; self.isJumping = true; if (self.isGrounded) { self.jumpsRemaining = self.maxJumps - 1; } else { self.jumpsRemaining--; } self.isGrounded = false; LK.getSound('jump').play(); } }; self.shoot = function () { var bullet = new Bullet(); bullet.x = self.x + self.direction * 40; bullet.y = self.y - 60; bullet.direction = self.direction; bullet.fromPlayer = true; bullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); }; self.moveLeft = function () { self.direction = -1; self.velocityX = -self.speed; graphics.scaleX = -1; }; self.moveRight = function () { self.direction = 1; self.velocityX = self.speed; graphics.scaleX = 1; }; self.stopMoving = function () { self.velocityX = 0; }; self.update = function () { // Apply gravity self.velocityY += self.gravity; // Apply velocity self.x += self.velocityX; self.y += self.velocityY; // Check screen boundaries if (self.x < 40) { self.x = 40; } else if (self.x > 2008) { self.x = 2008; } // Check if character fell off the bottom of the screen if (self.y > 2732) { LK.getSound('playerDeath').play(); LK.effects.flashScreen(0xff0000, 500); LK.showGameOver(); } // Reset grounded state self.isGrounded = false; // Check platform collisions for (var i = 0; i < platforms.length; i++) { var platform = platforms[i]; // Simple collision detection with platform if (self.velocityY >= 0 && // Only check collision when falling self.x >= platform.x && self.x <= platform.x + platform.width && self.y >= platform.y - 10 && self.y <= platform.y + 10) { self.isGrounded = true; self.isJumping = false; self.jumpsRemaining = self.maxJumps; self.velocityY = 0; self.y = platform.y; self.platform = platform; break; } } }; return self; }); var Enemy = Character.expand(function () { var self = Character.call(this); // Replace soldier asset with enemy asset self.removeChildren(); var graphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 1.0 }); // Adjust enemy properties self.speed = 4; self.direction = -1; self.shootCooldown = 0; self.shootInterval = 180; // Three seconds (60 frames * 3) graphics.scaleX = -1; // Override update method var parentUpdate = self.update; self.update = function () { parentUpdate.call(this); // AI movement: patrol the platform if (self.platform) { // Check if reached edge of platform if (self.x <= self.platform.x + 40) { self.direction = 1; graphics.scaleX = 1; self.velocityX = self.speed; } else if (self.x >= self.platform.x + self.platform.width - 40) { self.direction = -1; graphics.scaleX = -1; self.velocityX = -self.speed; } } // Shooting logic self.shootCooldown++; if (self.shootCooldown >= self.shootInterval) { // Face the player before shooting if (player) { var directionToPlayer = player.x < self.x ? -1 : 1; graphics.scaleX = directionToPlayer; } self.shoot(); self.shootCooldown = 0; self.shootInterval = 180; // Three seconds (60 frames * 3) } }; // Override shoot method self.shoot = function () { // Determine direction to shoot based on player position var directionToPlayer = player.x < self.x ? -1 : 1; // Only 30% chance to actually fire a bullet if (Math.random() < 0.3) { var bullet = new Bullet(); bullet.x = self.x + directionToPlayer * 40; bullet.y = self.y - 60; bullet.direction = directionToPlayer; bullet.fromPlayer = false; bullets.push(bullet); game.addChild(bullet); LK.getSound('shoot').play(); } }; return self; }); var ControlButton = Container.expand(function (type) { var self = Container.call(this); var buttonGraphics = self.attachAsset('controlButton', { anchorX: 0.5, anchorY: 0.5, alpha: 0.5 }); var buttonText = new Text2(type, { size: 60, fill: 0xFFFFFF }); buttonText.anchor.set(0.5, 0.5); self.addChild(buttonText); self.buttonType = type; self.isPressed = false; self.down = function () { self.isPressed = true; buttonGraphics.alpha = 0.8; }; self.up = function () { self.isPressed = false; buttonGraphics.alpha = 0.5; }; return self; }); var HealthBar = Container.expand(function () { var self = Container.call(this); // Background bar self.background = new Container(); var bgGraphics = self.background.attachAsset('platform', { anchorX: 0, anchorY: 0 }); bgGraphics.tint = 0x333333; self.addChild(self.background); // Health bar self.bar = new Container(); var barGraphics = self.bar.attachAsset('platform', { anchorX: 0, anchorY: 0 }); barGraphics.tint = 0x00FF00; self.addChild(self.bar); // Set size self.width = 200; self.height = 20; self.background.width = self.width; self.background.height = self.height; self.background.scaleX = self.width / 400; self.background.scaleY = self.height / 50; // Update health percentage self.updateHealth = function (current, max) { var percentage = Math.max(0, Math.min(1, current / max)); self.bar.width = self.width * percentage; self.bar.scaleX = self.width / 400 * percentage; self.bar.scaleY = self.height / 50; // Change color based on health var barGraphics = self.bar.children[0]; if (percentage > 0.6) { barGraphics.tint = 0x00FF00; // Green } else if (percentage > 0.3) { barGraphics.tint = 0xFFFF00; // Yellow } else { barGraphics.tint = 0xFF0000; // Red } }; return self; }); var Platform = Container.expand(function () { var self = Container.call(this); var platformGraphics = self.attachAsset('platform', { anchorX: 0, anchorY: 0 }); return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB }); /**** * Game Code ****/ // Game variables var player; var platforms = []; var enemies = []; var bullets = []; var leftButton, rightButton, jumpButton, shootButton; var scoreText; var jumpIndicator; var healthBar; // Setup game UI function setupUI() { // Create score display scoreText = new Text2('Enemies: ' + enemies.length, { size: 60, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); // Create jump counter display jumpIndicator = new Text2('Jumps: 7', { size: 60, fill: 0xFFFFFF }); jumpIndicator.anchor.set(0, 0); jumpIndicator.x = 50; LK.gui.top.addChild(jumpIndicator); // Create health bar healthBar = new HealthBar(); healthBar.x = 50; healthBar.y = 100; LK.gui.top.addChild(healthBar); // Create control buttons leftButton = new ControlButton('←'); leftButton.x = 150; leftButton.y = 2500; game.addChild(leftButton); rightButton = new ControlButton('→'); rightButton.x = 350; rightButton.y = 2500; game.addChild(rightButton); jumpButton = new ActionButton('B'); jumpButton.x = 1850; jumpButton.y = 2500; game.addChild(jumpButton); shootButton = new ActionButton('A'); shootButton.x = 1650; shootButton.y = 2500; game.addChild(shootButton); } // Create game platforms function createPlatforms() { // Create ground platform var ground = new Platform(); ground.x = 0; ground.y = 2600; ground.width = 2048; ground.scaleX = 5.12; // Scale to fit screen width (2048/400) platforms.push(ground); game.addChild(ground); // Create elevated platforms (6 more for a total of 7) with random positions var platformPositions = []; // Define height sections for platform distribution var heightSections = [{ min: 2200, max: 2400 }, { min: 1900, max: 2100 }, { min: 1600, max: 1800 }, { min: 1300, max: 1500 }, { min: 1000, max: 1200 }, { min: 700, max: 900 }]; // Create one platform in each height section for (var i = 0; i < heightSections.length; i++) { var section = heightSections[i]; var randomX = Math.floor(Math.random() * (1700 - 200) + 200); // Random X between 200-1700 var randomY = Math.floor(Math.random() * (section.max - section.min) + section.min); var randomScale = Math.random() * 0.5 + 0.8; // Random scale between 0.8 and 1.3 platformPositions.push({ x: randomX, y: randomY, scale: randomScale }); } for (var i = 0; i < platformPositions.length; i++) { var pos = platformPositions[i]; var platform = new Platform(); platform.x = pos.x; platform.y = pos.y; platform.scaleX = pos.scale; platform.width = 400 * pos.scale; platforms.push(platform); game.addChild(platform); } } // Create enemies function createEnemies() { // Place enemies on different platforms with random x positions var enemyPositions = []; // Skip the ground platform (index 0) and place enemies on platforms 1-5 for (var i = 1; i <= 5; i++) { var platform = platforms[i]; var platformWidth = platform.width; // Calculate a random x position within the platform's bounds var randomX = Math.floor(Math.random() * (platformWidth - 80)) + platform.x + 40; enemyPositions.push({ x: randomX, platform: i }); } for (var i = 0; i < enemyPositions.length; i++) { var pos = enemyPositions[i]; var enemy = new Enemy(); var platform = platforms[pos.platform]; enemy.x = pos.x; enemy.y = platform.y; enemy.platform = platform; enemies.push(enemy); game.addChild(enemy); } } // Create player function createPlayer() { player = new Character(); player.x = 100; player.y = platforms[0].y; // Start on ground player.platform = platforms[0]; player.health = player.maxHealth; // Initialize full health game.addChild(player); } // Initialize game function initGame() { // Add background var background = new Background(); background.x = 0; background.y = 0; game.addChild(background); // Create game elements createPlatforms(); createEnemies(); createPlayer(); setupUI(); // Play background music LK.playMusic('bgMusic'); } // Handle input game.down = function (x, y, obj) { // Only respond to direct object clicks if (!obj) return; if (obj === leftButton) { leftButton.down(); } else if (obj === rightButton) { rightButton.down(); } else if (obj === jumpButton) { jumpButton.down(); } else if (obj === shootButton) { shootButton.down(); } }; game.up = function (x, y, obj) { // First check if any button was directly clicked if (obj) { if (obj === leftButton) { leftButton.up(); } else if (obj === rightButton) { rightButton.up(); } else if (obj === jumpButton) { jumpButton.up(); } else if (obj === shootButton) { shootButton.up(); } return; } // Check if any button is being released if (leftButton.isPressed) leftButton.up(); if (rightButton.isPressed) rightButton.up(); if (jumpButton.isPressed) jumpButton.up(); if (shootButton.isPressed) shootButton.up(); }; // Update function gets called every frame game.update = function () { if (!player) { initGame(); return; } // Handle control input if (leftButton && leftButton.isPressed) { player.moveLeft(); } else if (rightButton && rightButton.isPressed) { player.moveRight(); } else { player.stopMoving(); } // Update player player.update(); // Update jump indicator text if (jumpIndicator) { jumpIndicator.setText("Jumps: " + (player.isGrounded ? player.maxJumps : player.jumpsRemaining)); } // Update health bar if (healthBar) { healthBar.updateHealth(player.health, player.maxHealth); } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { enemies[i].update(); } // Update bullets for (var j = bullets.length - 1; j >= 0; j--) { var bullet = bullets[j]; bullet.update(); // Check if bullet should be removed if (bullet.shouldRemove) { bullet.destroy(); bullets.splice(j, 1); continue; } // Check bullet collisions with enemies if (bullet.fromPlayer) { for (var k = enemies.length - 1; k >= 0; k--) { var enemy = enemies[k]; if (bullet.intersects(enemy)) { // Enemy hit LK.getSound('enemyDeath').play(); LK.effects.flashObject(enemy, 0xFF0000, 300); // Remove enemy enemy.destroy(); enemies.splice(k, 1); // Remove bullet bullet.destroy(); bullets.splice(j, 1); // Update score scoreText.setText('Enemies: ' + enemies.length); // Check if all enemies are defeated if (enemies.length === 0) { LK.showYouWin(); } break; } } } // Check bullet collisions with player else if (!bullet.fromPlayer && bullet.intersects(player)) { // Player hit LK.getSound('shoot').play(); LK.effects.flashObject(player, 0xFF0000, 300); // Reduce player health player.health -= 20; // Each bullet deals 20 damage healthBar.updateHealth(player.health, player.maxHealth); // Game over if health is depleted if (player.health <= 0) { LK.getSound('playerDeath').play(); LK.effects.flashScreen(0xFF0000, 500); // Game over LK.showGameOver(); } // Remove bullet bullet.destroy(); bullets.splice(j, 1); } } };