/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Character = Container.expand(function () { var self = Container.call(this); var characterGraphics = self.attachAsset('character', { anchorX: 0.5, anchorY: 1.0 }); // Character properties self.baseY = 2400; // Ground level self.targetX = 1024; // Center of screen self.moveSpeed = 8; self.update = function () { // Continuous movement while holding if (isHolding) { self.x += holdDirection * self.moveSpeed; } // Keep character within screen bounds self.x = Math.max(200, Math.min(1848, self.x)); }; return self; }); var Coin = Container.expand(function () { var self = Container.call(this); var coinGraphics = self.attachAsset('coin', { anchorX: 0.5, anchorY: 0.5 }); // Scale coin to simulate 3D perspective self.baseScale = 0.4; self.scale.set(self.baseScale); // Add floating animation self.floatOffset = Math.random() * Math.PI * 2; self.baseY = 0; self.update = function () { // Move toward camera self.y += gameSpeed; // Simulate 3D perspective var distanceFromCamera = (2732 - self.y) / 2732; var perspectiveScale = self.baseScale + (1 - self.baseScale) * (1 - distanceFromCamera); self.scale.set(perspectiveScale); // Floating animation self.y = self.baseY + Math.sin(LK.ticks * 0.1 + self.floatOffset) * 10; // Coin spinning animation for classic coin effect coinGraphics.rotation += 0.08; // Scale pulsing to make coin more noticeable var pulseScale = 1 + Math.sin(LK.ticks * 0.15) * 0.1; coinGraphics.scaleX = pulseScale; // Adjust hit area self.hitWidth = 80 * perspectiveScale; self.hitHeight = 80 * perspectiveScale; }; return self; }); var MovingObstacle = Container.expand(function () { var self = Container.call(this); var obstacleGraphics = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0 }); // Scale obstacle to simulate 3D perspective self.baseScale = 0.2; self.scale.set(self.baseScale); self.moveDirection = Math.random() < 0.5 ? -1 : 1; // Random direction self.moveSpeed = 1 + Math.random() * 2; // Random speed self.update = function () { // Move toward camera (increase Y and scale) self.y += gameSpeed; // Side-to-side movement self.x += self.moveDirection * self.moveSpeed; // Bounce off screen edges if (self.x < 200 || self.x > 1848) { self.moveDirection *= -1; } // Simulate 3D perspective by scaling based on distance var distanceFromCamera = (2732 - self.y) / 2732; var perspectiveScale = self.baseScale + (1 - self.baseScale) * (1 - distanceFromCamera); self.scale.set(perspectiveScale); // Adjust apparent width based on perspective self.hitWidth = 100 * perspectiveScale; self.hitHeight = 133 * perspectiveScale; }; return self; }); var Obstacle = Container.expand(function () { var self = Container.call(this); var obstacleGraphics = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0 }); // Scale obstacle to simulate 3D perspective self.baseScale = 0.2; self.scale.set(self.baseScale); self.update = function () { // Move toward camera (increase Y and scale) self.y += gameSpeed; // Simulate 3D perspective by scaling based on distance var distanceFromCamera = (2732 - self.y) / 2732; var perspectiveScale = self.baseScale + (1 - self.baseScale) * (1 - distanceFromCamera); self.scale.set(perspectiveScale); // Adjust apparent width based on perspective self.hitWidth = 100 * perspectiveScale; self.hitHeight = 133 * perspectiveScale; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB }); /**** * Game Code ****/ // Game variables var character; var obstacles = []; var coins = []; var gameSpeed = 6; var spawnTimer = 0; var coinTimer = 0; var movingObstacleTimer = 0; var cameraY = 0; var gameRunning = true; // UI elements var scoreTxt = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var speedTxt = new Text2('Speed: 1.0x', { size: 60, fill: 0xFFFFFF }); speedTxt.anchor.set(1, 0); LK.gui.topRight.addChild(speedTxt); // Create ground strips for perspective effect var groundStrips = []; for (var i = 0; i < 8; i++) { var ground = game.addChild(LK.getAsset('ground', { anchorX: 0.5, anchorY: 0.5 })); ground.x = 1024; ground.y = 2400 + i * 300; ground.baseY = ground.y; ground.alpha = 0.3; groundStrips.push(ground); } // Create character character = game.addChild(new Character()); character.x = 1024; character.y = character.baseY; // Touch controls - hold to move var isHolding = false; var holdDirection = 0; // -1 for left, 1 for right game.down = function (x, y, obj) { if (!gameRunning) return; isHolding = true; if (x < 1024) { // Left side - move left holdDirection = -1; } else { // Right side - move right holdDirection = 1; } }; game.up = function (x, y, obj) { isHolding = false; holdDirection = 0; }; // Spawn obstacles function spawnObstacle() { var obstacle = new Obstacle(); // Better X distribution to avoid clustering var lanes = [300, 600, 900, 1200, 1500, 1800]; // Defined lanes var laneIndex = Math.floor(Math.random() * lanes.length); obstacle.x = lanes[laneIndex] + (Math.random() - 0.5) * 100; // Add slight variation obstacle.y = -200 - Math.random() * 300; // Vary spawn depth for natural spacing obstacle.baseY = obstacle.y; obstacles.push(obstacle); game.addChild(obstacle); } // Spawn moving obstacles function spawnMovingObstacle() { var obstacle = new MovingObstacle(); var lanes = [300, 600, 900, 1200, 1500, 1800]; var laneIndex = Math.floor(Math.random() * lanes.length); obstacle.x = lanes[laneIndex]; obstacle.y = -200 - Math.random() * 400; obstacle.baseY = obstacle.y; obstacles.push(obstacle); game.addChild(obstacle); } // Spawn coins function spawnCoin() { var coin = new Coin(); // Better distribution across the screen with some spacing from edges coin.x = 250 + Math.random() * 1548; // Wider spread coin.y = -100 - Math.random() * 200; // Vary spawn depth for natural spacing coin.baseY = coin.y; coins.push(coin); game.addChild(coin); } // Collision detection function function checkCollision(obj1, obj2) { var dx = obj1.x - obj2.x; var dy = obj1.y - obj2.y; var distance = Math.sqrt(dx * dx + dy * dy); var minDistance = (obj1.hitWidth || 120) / 2 + (obj2.hitWidth || 150) / 2; return distance < minDistance; } // Game update loop game.update = function () { if (!gameRunning) return; // Increase speed over time gameSpeed += 0.002; speedTxt.setText('Speed: ' + (gameSpeed / 6).toFixed(1) + 'x'); // Update ground for scrolling effect for (var i = 0; i < groundStrips.length; i++) { var ground = groundStrips[i]; ground.y += gameSpeed; if (ground.y > 2932) { ground.y = -200; } // Perspective scaling for ground var distanceFromCamera = (2732 - ground.y) / 2732; var perspectiveScale = 0.5 + 0.5 * (1 - distanceFromCamera); ground.scaleY = perspectiveScale; } // Spawn obstacles spawnTimer++; if (spawnTimer > 30 - gameSpeed * 3) { // Spawn multiple obstacles per wave var obstaclesToSpawn = 1 + Math.floor(Math.random() * 3); // 1-3 obstacles per wave for (var o = 0; o < obstaclesToSpawn; o++) { spawnObstacle(); } spawnTimer = 0; } // Spawn moving obstacles movingObstacleTimer++; if (movingObstacleTimer > 80 - gameSpeed * 2) { if (Math.random() < 0.4) { // 40% chance to spawn moving obstacle spawnMovingObstacle(); } movingObstacleTimer = 0; } // Spawn coins coinTimer++; var coinSpawnRate = 45 - Math.floor(LK.getScore() / 50); // Spawn faster as score increases coinSpawnRate = Math.max(20, coinSpawnRate); // Minimum spawn rate if (coinTimer > coinSpawnRate) { // Spawn multiple coins in a wave var coinsToSpawn = 2 + Math.floor(Math.random() * 3); // 2-4 coins per wave // Bonus coins for high scores if (LK.getScore() > 200 && Math.random() < 0.3) { coinsToSpawn += 2; // Extra coins for high scores } for (var k = 0; k < coinsToSpawn; k++) { spawnCoin(); } coinTimer = 0; } // Update and check obstacles for (var i = obstacles.length - 1; i >= 0; i--) { var obstacle = obstacles[i]; // Remove obstacles that are off screen if (obstacle.y > 2832) { obstacle.destroy(); obstacles.splice(i, 1); continue; } // Check collision with character if (obstacle.y > 2000 && obstacle.y < 2600) { if (checkCollision(character, obstacle)) { // Game over gameRunning = false; LK.getSound('hit').play(); LK.effects.flashScreen(0xFF0000, 500); LK.setTimeout(function () { LK.showGameOver(); }, 500); break; } } } // Update and check coins for (var j = coins.length - 1; j >= 0; j--) { var coin = coins[j]; // Remove coins that are off screen if (coin.y > 2832) { coin.destroy(); coins.splice(j, 1); continue; } // Check coin collection if (coin.y > 2000 && coin.y < 2600) { if (checkCollision(character, coin)) { // Coin collected LK.setScore(LK.getScore() + 10); scoreTxt.setText('Score: ' + LK.getScore()); LK.getSound('collect').play(); // Coin collection visual effect tween(coin, { alpha: 0, scaleX: 2, scaleY: 2 }, { duration: 200, onFinish: function onFinish() { coin.destroy(); } }); coins.splice(j, 1); } } } };