/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var CoasterCar = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('coasterCar', { anchorX: 0.5, anchorY: 0.5 }); self.moving = false; self.speed = 3; self.direction = 1; self.trackPosition = 0; self.update = function () { if (self.moving) { self.trackPosition += self.speed * self.direction; // Simple track movement (left-right) if (self.trackPosition > 400) { self.trackPosition = 400; self.direction = -1; } else if (self.trackPosition < 0) { self.trackPosition = 0; self.direction = 1; } self.x = 824 + self.trackPosition; // Center track at 1024 } }; return self; }); var Sled = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('sled', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.speed = 0; self.maxSpeed = 8; self.friction = 0.98; self.update = function () { // Apply movement self.x += self.velocityX; self.y += self.velocityY; // Apply friction self.velocityX *= self.friction; self.velocityY *= self.friction; // Keep in bounds self.x = Math.max(70, Math.min(1978, self.x)); self.y = Math.max(70, Math.min(2662, self.y)); }; return self; }); var Snowball = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('snowball', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.active = true; self.update = function () { if (!self.active) return; self.x += self.velocityX; self.y += self.velocityY; // Remove if off screen if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) { self.active = false; } }; return self; }); var Snowflake = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('snowflake', { anchorX: 0.5, anchorY: 0.5 }); self.velocityY = Math.random() * 2 + 1; self.velocityX = (Math.random() - 0.5) * 0.5; self.active = true; self.update = function () { if (!self.active) return; self.x += self.velocityX; self.y += self.velocityY; if (self.y > 2732) { self.active = false; } }; return self; }); var Target = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('target', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = (Math.random() - 0.5) * 4; self.velocityY = (Math.random() - 0.5) * 2; self.active = true; self.lastX = self.x; self.lastY = self.y; self.update = function () { if (!self.active) return; self.lastX = self.x; self.lastY = self.y; self.x += self.velocityX; self.y += self.velocityY; // Bounce off walls if (self.x < 50 || self.x > 1998) { self.velocityX *= -1; } if (self.y < 200 || self.y > 1500) { self.velocityY *= -1; } // Keep in bounds self.x = Math.max(50, Math.min(1998, self.x)); self.y = Math.max(200, Math.min(1500, self.y)); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB }); /**** * Game Code ****/ // Sounds // UI elements // Characters and objects // Level backgrounds // Game state variables var currentLevel = 1; var gameState = 'playing'; // 'playing', 'levelComplete', 'gameComplete' var levelScore = 0; var totalScore = 0; // Level 1 variables var snowballs = []; var targets = []; var targetSpawnTimer = 0; // Level 2 variables var player = null; var hills = []; var sledPower = 0; var sledding = false; // Level 3 variables var coasterCar = null; var snowflakes = []; var snowflakeTimer = 0; var coasterScore = 0; var coasterTimer = 0; // UI Elements var levelText = new Text2('Level 1: Snowball Fight', { size: 80, fill: 0xFFFFFF }); levelText.anchor.set(0.5, 0); LK.gui.top.addChild(levelText); var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreText.anchor.set(1, 0); LK.gui.topRight.addChild(scoreText); var instructionText = new Text2('Tap targets to throw snowballs!', { size: 50, fill: 0xFFFFFF }); instructionText.anchor.set(0.5, 0); instructionText.y = 120; LK.gui.top.addChild(instructionText); // Initialize Level 1 function initLevel1() { currentLevel = 1; levelScore = 0; gameState = 'playing'; // Clear arrays snowballs = []; targets = []; // Update UI levelText.setText('Level 1: Snowball Fight'); instructionText.setText('Tap targets to throw snowballs!'); // Create background var bg = game.addChild(LK.getAsset('level1Background', { x: 0, y: 0 })); // Create initial targets for (var i = 0; i < 3; i++) { createTarget(); } } // Initialize Level 2 function initLevel2() { currentLevel = 2; levelScore = 0; gameState = 'playing'; // Clear previous level clearLevel(); // Update UI levelText.setText('Level 2: Sledding'); instructionText.setText('Tap to control your sled!'); // Create background var bg = game.addChild(LK.getAsset('level2Background', { x: 0, y: 0 })); // Create hills for (var i = 0; i < 5; i++) { var hill = game.addChild(LK.getAsset('hill', { x: Math.random() * 1748 + 150, y: Math.random() * 1000 + 800, anchorX: 0.5, anchorY: 0.5 })); hills.push(hill); } // Create sled player = game.addChild(new Sled()); player.x = 1024; player.y = 500; } // Initialize Level 3 function initLevel3() { currentLevel = 3; levelScore = 0; gameState = 'playing'; coasterScore = 0; coasterTimer = 0; // Clear previous level clearLevel(); // Update UI levelText.setText('Level 3: Snow Roller Coaster'); instructionText.setText('Tap to start/stop the coaster!'); // Create background var bg = game.addChild(LK.getAsset('level3Background', { x: 0, y: 0 })); // Create track var track = game.addChild(LK.getAsset('track', { x: 1024, y: 1366, anchorX: 0.5, anchorY: 0.5 })); // Create coaster car coasterCar = game.addChild(new CoasterCar()); coasterCar.x = 1024; coasterCar.y = 1366; snowflakes = []; } function clearLevel() { // Remove all children except UI while (game.children.length > 0) { var child = game.children[0]; child.destroy(); } // Clear arrays snowballs = []; targets = []; hills = []; snowflakes = []; player = null; coasterCar = null; } function createTarget() { var target = game.addChild(new Target()); target.x = Math.random() * 1600 + 224; target.y = Math.random() * 1000 + 400; targets.push(target); } function createSnowball(targetX, targetY) { var snowball = game.addChild(new Snowball()); snowball.x = 1024; // Center of screen snowball.y = 2200; // Bottom of screen // Calculate velocity towards target var dx = targetX - snowball.x; var dy = targetY - snowball.y; var distance = Math.sqrt(dx * dx + dy * dy); var speed = 12; snowball.velocityX = dx / distance * speed; snowball.velocityY = dy / distance * speed; snowballs.push(snowball); LK.getSound('throw').play(); } function createSnowflake() { var snowflake = game.addChild(new Snowflake()); snowflake.x = Math.random() * 2048; snowflake.y = -20; snowflakes.push(snowflake); } // Game input handlers game.down = function (x, y, obj) { if (gameState !== 'playing') return; if (currentLevel === 1) { // Level 1: Tap to throw snowball createSnowball(x, y); } else if (currentLevel === 2) { // Level 2: Tap to boost sled if (player) { var dx = x - player.x; var dy = y - player.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { var force = 3; player.velocityX += dx / distance * force; player.velocityY += dy / distance * force; // Limit max speed var currentSpeed = Math.sqrt(player.velocityX * player.velocityX + player.velocityY * player.velocityY); if (currentSpeed > player.maxSpeed) { player.velocityX = player.velocityX / currentSpeed * player.maxSpeed; player.velocityY = player.velocityY / currentSpeed * player.maxSpeed; } } LK.getSound('whoosh').play(); } } else if (currentLevel === 3) { // Level 3: Tap to start/stop coaster if (coasterCar) { coasterCar.moving = !coasterCar.moving; LK.getSound('bell').play(); } } }; // Main game update loop game.update = function () { if (gameState !== 'playing') return; if (currentLevel === 1) { updateLevel1(); } else if (currentLevel === 2) { updateLevel2(); } else if (currentLevel === 3) { updateLevel3(); } // Update score display scoreText.setText('Score: ' + (totalScore + levelScore)); }; function updateLevel1() { // Spawn targets targetSpawnTimer++; if (targetSpawnTimer > 180 && targets.length < 5) { // Every 3 seconds createTarget(); targetSpawnTimer = 0; } // Update snowballs for (var i = snowballs.length - 1; i >= 0; i--) { var snowball = snowballs[i]; if (!snowball.active) { snowball.destroy(); snowballs.splice(i, 1); continue; } // Check collision with targets for (var j = targets.length - 1; j >= 0; j--) { var target = targets[j]; if (target.active && snowball.intersects(target)) { // Hit! levelScore += 10; LK.getSound('hit').play(); // Remove both objects snowball.active = false; target.active = false; target.destroy(); targets.splice(j, 1); // Flash effect LK.effects.flashObject(snowball, 0xFFFF00, 200); break; } } } // Update targets for (var i = targets.length - 1; i >= 0; i--) { var target = targets[i]; if (!target.active) { target.destroy(); targets.splice(i, 1); } } // Level completion check if (levelScore >= 100) { completeLevel(); } } function updateLevel2() { if (!player) return; // Check collision with hills (score points) for (var i = 0; i < hills.length; i++) { var hill = hills[i]; if (player.intersects(hill)) { levelScore += 5; LK.effects.flashObject(hill, 0x00FF00, 300); // Move hill to new position hill.x = Math.random() * 1748 + 150; hill.y = Math.random() * 1000 + 800; } } // Level completion check if (levelScore >= 150) { completeLevel(); } } function updateLevel3() { if (!coasterCar) return; coasterTimer++; // Spawn snowflakes snowflakeTimer++; if (snowflakeTimer > 30) { // Every 0.5 seconds createSnowflake(); snowflakeTimer = 0; } // Update snowflakes for (var i = snowflakes.length - 1; i >= 0; i--) { var snowflake = snowflakes[i]; if (!snowflake.active) { snowflake.destroy(); snowflakes.splice(i, 1); continue; } // Check collision with coaster (only when moving) if (coasterCar.moving && snowflake.intersects(coasterCar)) { levelScore += 2; snowflake.active = false; LK.effects.flashObject(snowflake, 0x00FFFF, 200); } } // Score points for moving if (coasterCar.moving) { coasterScore++; if (coasterScore % 60 === 0) { // Every second levelScore += 1; } } // Level completion check if (levelScore >= 200) { completeLevel(); } } function completeLevel() { gameState = 'levelComplete'; totalScore += levelScore; // Flash screen LK.effects.flashScreen(0x00FF00, 1000); // Move to next level or complete game LK.setTimeout(function () { if (currentLevel < 3) { if (currentLevel === 1) { initLevel2(); } else if (currentLevel === 2) { initLevel3(); } } else { // Game complete gameState = 'gameComplete'; LK.setScore(totalScore); LK.showYouWin(); } }, 1500); } // Initialize the game initLevel1();