/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 1.0 }); self.health = 50; self.maxHealth = 50; self.moveSpeed = 1; self.attackCooldown = 0; self.isAttacking = false; self.direction = 1; // 1 for right, -1 for left self.attackRange = 120; self.update = function () { // Move towards hero var distanceToHero = Math.abs(self.x - hero.x); if (distanceToHero > self.attackRange) { if (self.x < hero.x) { self.x += self.moveSpeed; self.direction = 1; enemyGraphics.scaleX = 1; // Face right } else { self.x -= self.moveSpeed; self.direction = -1; enemyGraphics.scaleX = -1; // Face left } } else { // Attack hero if (self.attackCooldown <= 0) { self.attack(); self.attackCooldown = 90; } } if (self.attackCooldown > 0) { self.attackCooldown--; } // Keep enemy in bounds if (self.x < 0) { self.x = 0; } if (self.x > 2048) { self.x = 2048; } }; self.attack = function () { self.isAttacking = true; // Flash enemy when attacking enemyGraphics.tint = 0xFF0000; LK.setTimeout(function () { enemyGraphics.tint = 0xFFFFFF; }, 200); // Check if hero is in range and deal damage var distanceToHero = Math.abs(self.x - hero.x); if (distanceToHero <= self.attackRange) { hero.takeDamage(10); } LK.setTimeout(function () { self.isAttacking = false; }, 300); }; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xFFFFFF, 200); if (self.health <= 0) { LK.setScore(LK.getScore() + 100); return true; // Enemy is dead } return false; }; return self; }); var HealthPack = Container.expand(function () { var self = Container.call(this); var healthGraphics = self.attachAsset('healthPack', { anchorX: 0.5, anchorY: 0.5 }); self.bobOffset = 0; self.update = function () { // Bobbing animation self.bobOffset += 0.1; self.y += Math.sin(self.bobOffset) * 0.5; // Check collision with hero if (self.intersects(hero)) { hero.heal(30); LK.getSound('powerUpSound').play(); LK.setScore(LK.getScore() + 50); return true; // Mark for removal } // Remove if off screen if (self.x < -100 || self.x > 2148) { return true; } return false; }; return self; }); var Hero = Container.expand(function () { var self = Container.call(this); var heroGraphics = self.attachAsset('hero', { anchorX: 0.5, anchorY: 1.0 }); self.health = 100; self.maxHealth = 100; self.isAttacking = false; self.attackCooldown = 0; self.invulnerable = false; self.invulnerableTime = 0; self.moveSpeed = 2; self.horizontalSpeed = 5; self.jumpPower = 15; self.velocityY = 0; self.gravity = 0.8; self.isOnGround = true; self.groundY = 2732; self.direction = 1; // 1 for right, -1 for left self.moveLeft = function () { self.x -= self.horizontalSpeed; self.direction = -1; heroGraphics.scaleX = -1; // Flip sprite to face left }; self.moveRight = function () { self.x += self.horizontalSpeed; self.direction = 1; heroGraphics.scaleX = 1; // Face right (normal) }; self.jump = function () { if (self.isOnGround) { self.velocityY = -self.jumpPower; self.isOnGround = false; } }; self.turnTowardsNearestEnemy = function () { var nearestDistance = Infinity; var nearestEnemy = null; for (var i = 0; i < enemies.length; i++) { var distance = Math.abs(enemies[i].x - self.x); if (distance < nearestDistance) { nearestDistance = distance; nearestEnemy = enemies[i]; } } if (nearestEnemy) { if (nearestEnemy.x < self.x && self.direction === 1) { // Enemy is to the left, turn left self.direction = -1; heroGraphics.scaleX = -1; } else if (nearestEnemy.x > self.x && self.direction === -1) { // Enemy is to the right, turn right self.direction = 1; heroGraphics.scaleX = 1; } } }; self.punch = function () { if (self.attackCooldown <= 0 && !self.isAttacking) { self.turnTowardsNearestEnemy(); // Turn to face nearest enemy before attacking self.isAttacking = true; self.attackCooldown = 30; // Create punch effect var punchEffect = new PunchEffect(); punchEffect.setDirection(self.direction); // Set punch effect direction punchEffect.x = self.x + 80 * self.direction; // Direction-based positioning punchEffect.y = self.y - 80; game.addChild(punchEffect); punchEffects.push(punchEffect); LK.getSound('punch').play(); // Flash hero white briefly heroGraphics.tint = 0xFFFFFF; LK.setTimeout(function () { heroGraphics.tint = 0xFFFFFF; }, 100); } }; self.uppercut = function () { if (self.attackCooldown <= 0 && !self.isAttacking) { self.turnTowardsNearestEnemy(); // Turn to face nearest enemy before attacking self.isAttacking = true; self.attackCooldown = 45; // Create uppercut effect var punchEffect = new PunchEffect(); punchEffect.setDirection(self.direction); // Set punch effect direction punchEffect.x = self.x + 80 * self.direction; // Direction-based positioning punchEffect.y = self.y - 120; game.addChild(punchEffect); punchEffects.push(punchEffect); LK.getSound('punch').play(); // Jump effect tween(self, { y: self.y - 50 }, { duration: 200, easing: tween.easeOut }); tween(self, { y: self.y }, { duration: 200, easing: tween.easeIn }); } }; self.lowKick = function () { if (self.attackCooldown <= 0 && !self.isAttacking) { self.turnTowardsNearestEnemy(); // Turn to face nearest enemy before attacking self.isAttacking = true; self.attackCooldown = 35; // Create kick effect var punchEffect = new PunchEffect(); punchEffect.setDirection(self.direction); // Set punch effect direction punchEffect.x = self.x + 90 * self.direction; // Direction-based positioning punchEffect.y = self.y - 40; game.addChild(punchEffect); punchEffects.push(punchEffect); LK.getSound('punch').play(); } }; self.takeDamage = function (damage) { if (!self.invulnerable) { self.health -= damage; self.invulnerable = true; self.invulnerableTime = 60; // Flash red when taking damage LK.effects.flashObject(self, 0xFF0000, 500); if (self.health <= 0) { self.health = 0; LK.showGameOver(); } } }; self.heal = function (amount) { self.health = Math.min(self.health + amount, self.maxHealth); }; self.update = function () { // Apply gravity and jumping physics if (!self.isOnGround) { self.velocityY += self.gravity; self.y += self.velocityY; // Check if landed if (self.y >= self.groundY) { self.y = self.groundY; self.velocityY = 0; self.isOnGround = true; } } // Update cooldowns if (self.attackCooldown > 0) { self.attackCooldown--; } else { self.isAttacking = false; } if (self.invulnerableTime > 0) { self.invulnerableTime--; if (self.invulnerableTime <= 0) { self.invulnerable = false; } } // Keep hero in bounds if (self.x > 2048 - 100) { self.x = 2048 - 100; } if (self.x < 100) { self.x = 100; } }; return self; }); var PowerUp = Container.expand(function () { var self = Container.call(this); var powerGraphics = self.attachAsset('powerUp', { anchorX: 0.5, anchorY: 0.5 }); self.bobOffset = 0; self.rotationSpeed = 0.05; self.update = function () { // Rotating and bobbing animation self.bobOffset += 0.1; self.y += Math.sin(self.bobOffset) * 0.5; powerGraphics.rotation += self.rotationSpeed; // Check collision with hero if (self.intersects(hero)) { // Apply speed boost effect var originalSpeed = hero.horizontalSpeed; var originalMoveSpeed = hero.moveSpeed; // Increase speed by 2x hero.horizontalSpeed *= 2; hero.moveSpeed *= 2; // Flash hero to show speed boost is active tween(hero, { tint: 0x00FF00 }, { duration: 200 }); // Reset speed after 5 seconds LK.setTimeout(function () { hero.horizontalSpeed = originalSpeed; hero.moveSpeed = originalMoveSpeed; // Flash back to normal tween(hero, { tint: 0xFFFFFF }, { duration: 200 }); }, 5000); LK.getSound('powerUpSound').play(); LK.setScore(LK.getScore() + 200); return true; // Mark for removal } // Remove if off screen if (self.x < -100 || self.x > 2148) { return true; } return false; }; return self; }); var PunchEffect = Container.expand(function () { var self = Container.call(this); var punchGraphics = self.attachAsset('punch', { anchorX: 0.5, anchorY: 0.5 }); self.lifetime = 20; self.direction = 1; // Default direction self.setDirection = function (dir) { self.direction = dir; if (dir === -1) { punchGraphics.scaleX = -1; // Flip for left direction } else { punchGraphics.scaleX = 1; // Normal for right direction } }; self.update = function () { self.lifetime--; punchGraphics.alpha = self.lifetime / 20; if (self.lifetime <= 0) { return true; // Mark for removal } return false; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x34495E }); /**** * Game Code ****/ var hero; var enemies = []; var punchEffects = []; var healthPacks = []; var powerUps = []; var enemySpawnTimer = 0; var powerUpSpawnTimer = 0; var scrollOffset = 0; var lastGestureTime = 0; var gestureThreshold = 10; // Create background var background = game.attachAsset('background', { anchorX: 0, anchorY: 0, x: 0, y: 0 }); // Create hero hero = game.addChild(new Hero()); hero.x = 200; hero.y = 2732; // Position at bottom of screen // Create UI elements var healthBar = new Text2('Health: 100', { size: 60, fill: 0x27AE60 }); healthBar.anchor.set(0, 0); LK.gui.topLeft.addChild(healthBar); var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); var comboText = new Text2('', { size: 80, fill: 0xF39C12 }); comboText.anchor.set(0.5, 0); comboText.y = 100; LK.gui.top.addChild(comboText); // Game variables var comboCount = 0; var comboTimer = 0; var lastHitTime = 0; // Touch controls var touchStartX = 0; var touchStartY = 0; var touchStartTime = 0; var isHolding = false; var holdTimer = 0; // Movement controls var leftPressed = false; var rightPressed = false; var jumpPressed = false; game.down = function (x, y, obj) { touchStartX = x; touchStartY = y; touchStartTime = LK.ticks; isHolding = true; holdTimer = 0; // Determine if touch is for movement or combat if (x < 2048 / 3) { // Left third of screen - move left leftPressed = true; } else if (x > 2048 * 2 / 3) { // Right third of screen - move right rightPressed = true; } // Middle third reserved for combat actions }; game.up = function (x, y, obj) { if (!isHolding) return; var deltaX = x - touchStartX; var deltaY = y - touchStartY; var holdDuration = LK.ticks - touchStartTime; isHolding = false; // Reset movement flags leftPressed = false; rightPressed = false; // Handle combat gestures only if in middle third of screen if (touchStartX >= 2048 / 3 && touchStartX <= 2048 * 2 / 3) { // Check for hold gesture (power attack) if (holdDuration > 30) { hero.uppercut(); return; } // Check for swipe gestures if (Math.abs(deltaX) > gestureThreshold || Math.abs(deltaY) > gestureThreshold) { if (Math.abs(deltaY) > Math.abs(deltaX)) { if (deltaY < -gestureThreshold) { // Swipe up - jump hero.jump(); } else if (deltaY > gestureThreshold) { // Swipe down - low kick hero.lowKick(); } } } else { // Tap - punch hero.punch(); } } else { // Handle jump for left/right areas on swipe up if (deltaY < -gestureThreshold && Math.abs(deltaY) > Math.abs(deltaX)) { hero.jump(); } } }; // Spawn enemies function spawnEnemy() { var enemy = new Enemy(); // Random spawn position (left or right side) if (Math.random() > 0.5) { enemy.x = -100; } else { enemy.x = 2148; } enemy.y = 2732; // Position at bottom of screen // Scale enemy speed exponentially based on game time (every 30 seconds = 1800 ticks) var timeMultiplier = Math.floor(LK.ticks / 1800); enemy.moveSpeed = 1 * Math.pow(1.5, timeMultiplier); // Base speed 1, multiplied by 1.5 each interval enemies.push(enemy); game.addChild(enemy); } // Spawn health pack function spawnHealthPack() { var healthPack = new HealthPack(); healthPack.x = Math.random() * 1800 + 124; healthPack.y = 2650; // Position closer to bottom of screen healthPacks.push(healthPack); game.addChild(healthPack); } // Spawn power up function spawnPowerUp() { var powerUp = new PowerUp(); powerUp.x = Math.random() * 1800 + 124; powerUp.y = 2600; // Position closer to bottom of screen powerUps.push(powerUp); game.addChild(powerUp); } // Update combo system function updateCombo() { if (comboTimer > 0) { comboTimer--; if (comboTimer <= 0) { comboCount = 0; comboText.setText(''); } } } // Check punch collisions function checkPunchCollisions() { for (var i = punchEffects.length - 1; i >= 0; i--) { var punch = punchEffects[i]; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (punch.intersects(enemy)) { if (enemy.takeDamage(25)) { // Enemy defeated enemy.destroy(); enemies.splice(j, 1); // Update combo comboCount++; comboTimer = 180; if (comboCount > 1) { comboText.setText('COMBO x' + comboCount); LK.setScore(LK.getScore() + comboCount * 50); } LK.getSound('enemyHit').play(); } break; } } } } // Start background music LK.playMusic('bgMusic'); // Main game loop game.update = function () { // Handle continuous movement if (leftPressed) { hero.moveLeft(); } if (rightPressed) { hero.moveRight(); } // Update combo system updateCombo(); // Spawn enemies enemySpawnTimer++; if (enemySpawnTimer >= 180) { spawnEnemy(); enemySpawnTimer = 0; } // Spawn power-ups occasionally powerUpSpawnTimer++; if (powerUpSpawnTimer >= 600) { if (Math.random() > 0.7) { spawnHealthPack(); } else { spawnPowerUp(); } powerUpSpawnTimer = 0; } // Update punch effects for (var i = punchEffects.length - 1; i >= 0; i--) { if (punchEffects[i].update()) { punchEffects[i].destroy(); punchEffects.splice(i, 1); } } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { // Remove enemies that are too far off screen if (enemies[i].x < -200 || enemies[i].x > 2248) { enemies[i].destroy(); enemies.splice(i, 1); } } // Update health packs for (var i = healthPacks.length - 1; i >= 0; i--) { if (healthPacks[i].update()) { healthPacks[i].destroy(); healthPacks.splice(i, 1); } } // Update power ups for (var i = powerUps.length - 1; i >= 0; i--) { if (powerUps[i].update()) { powerUps[i].destroy(); powerUps.splice(i, 1); } } // Check punch collisions checkPunchCollisions(); // Update UI healthBar.setText('Health: ' + hero.health); scoreText.setText('Score: ' + LK.getScore()); // Win condition if (LK.getScore() >= 5000) { LK.showYouWin(); } // Increase difficulty over time if (LK.ticks % 1800 === 0) { enemySpawnTimer = Math.max(60, enemySpawnTimer - 10); // Gradually increase all existing enemies' speed exponentially for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var newSpeed = enemy.moveSpeed * 1.8; // Multiply speed by 1.8 every 30 seconds for exponential growth // Use tween to smoothly transition to new speed over 2 seconds tween(enemy, { moveSpeed: newSpeed }, { duration: 2000, easing: tween.easeOut }); } } };