/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Car = Container.expand(function () { var self = Container.call(this); var carGraphics = self.attachAsset('car', { anchorX: 0.5, anchorY: 0.5 }); self.width = carGraphics.width; self.height = carGraphics.height; self.speed = 0; self.maxSpeed = 15; self.acceleration = 0.2; self.deceleration = 0.1; self.turnSpeed = 5; self.moving = false; self.accelerate = function () { self.moving = true; if (self.speed < self.maxSpeed) { tween(self, { speed: self.maxSpeed }, { duration: 500, easing: tween.easeOut }); } }; self.brake = function () { if (self.speed > 0) { tween(self, { speed: 0 }, { duration: 300, easing: tween.easeIn }); } }; self.coast = function () { self.moving = false; if (self.speed > 0) { tween(self, { speed: 0 }, { duration: 1000, easing: tween.easeOut }); } }; self.turnLeft = function () { self.x -= self.turnSpeed * (self.speed / self.maxSpeed) * 2; }; self.turnRight = function () { self.x += self.turnSpeed * (self.speed / self.maxSpeed) * 2; }; self.update = function () { if (self.moving) { self.accelerate(); } else { self.coast(); } // Keep car within bounds if (self.x < roadLeft + self.width / 2) { self.x = roadLeft + self.width / 2; } if (self.x > roadRight - self.width / 2) { self.x = roadRight - self.width / 2; } }; return self; }); var Checkpoint = Container.expand(function () { var self = Container.call(this); var checkpointGraphics = self.attachAsset('checkpoint', { anchorX: 0.5, anchorY: 0.5 }); self.width = checkpointGraphics.width; self.height = checkpointGraphics.height; self.update = function () { self.y += playerCar.speed; // Check if off screen if (self.y > 2732 + self.height) { self.destroy(); var index = checkpoints.indexOf(self); if (index > -1) { checkpoints.splice(index, 1); } } }; return self; }); var Fuel = Container.expand(function () { var self = Container.call(this); var fuelGraphics = self.attachAsset('fuel', { anchorX: 0.5, anchorY: 0.5 }); self.width = fuelGraphics.width; self.height = fuelGraphics.height; self.update = function () { self.y += playerCar.speed; // Check if off screen if (self.y > 2732 + self.height) { self.destroy(); var index = fuels.indexOf(self); if (index > -1) { fuels.splice(index, 1); } } }; return self; }); var Obstacle = Container.expand(function () { var self = Container.call(this); var obstacleGraphics = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.5 }); self.width = obstacleGraphics.width; self.height = obstacleGraphics.height; self.speed = 5; self.update = function () { self.y += playerCar.speed; // Check if off screen if (self.y > 2732 + self.height) { self.destroy(); var index = obstacles.indexOf(self); if (index > -1) { obstacles.splice(index, 1); } } }; return self; }); var Road = Container.expand(function () { var self = Container.call(this); var roadGraphics = self.attachAsset('road', { anchorX: 0.5, anchorY: 0 }); self.width = roadGraphics.width; self.height = roadGraphics.height; self.update = function () { // Update logic for the road can be added here if needed }; return self; }); var RoadLine = Container.expand(function () { var self = Container.call(this); var line = self.attachAsset('roadLine', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 10; self.update = function () { self.y += self.speed; if (self.y > 2732 + line.height) { self.y = -line.height; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x808080 }); /**** * Game Code ****/ // Update road lines var roadWidth = 1000; var roadLeft = (2048 - roadWidth) / 2; var roadRight = roadLeft + roadWidth; var gameSpeed = 1; var score = 0; var fuelLevel = 100; var timeRemaining = 30; var isGameOver = false; var isGameStarted = false; var lastObstacleTime = 0; var lastFuelTime = 0; var lastCheckpointTime = 0; var obstacles = []; var fuels = []; var checkpoints = []; var roadLines = []; // Create road var road = new Road(); road.x = 2048 / 2; road.y = 0; game.addChild(road); // Create road lines for (var i = 0; i < 20; i++) { var roadLine = new RoadLine(); roadLine.x = 2048 / 2; roadLine.y = i * 150 - 100; roadLines.push(roadLine); game.addChild(roadLine); } // Create player car var playerCar = new Car(); playerCar.x = 2048 / 2; playerCar.y = 2732 - 500; game.addChild(playerCar); // Create UI elements var scoreTxt = new Text2('SCORE: 0', { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0, 0); LK.gui.topRight.addChild(scoreTxt); var fuelTxt = new Text2('FUEL: 100%', { size: 60, fill: 0xFFFFFF }); fuelTxt.anchor.set(1, 0); LK.gui.topRight.addChild(fuelTxt); var timeTxt = new Text2('TIME: 30s', { size: 60, fill: 0xFFFFFF }); timeTxt.anchor.set(0.5, 0); LK.gui.top.addChild(timeTxt); var startTxt = new Text2('TAP TO START', { size: 100, fill: 0xFFFFFF }); startTxt.anchor.set(0.5, 0.5); LK.gui.center.addChild(startTxt); // Left control var leftControlArea = new Container(); var leftControlGraphics = LK.getAsset('road', { anchorX: 0, anchorY: 0, width: 2048 / 2, height: 2732, alpha: 0 }); leftControlArea.addChild(leftControlGraphics); game.addChild(leftControlArea); // Right control var rightControlArea = new Container(); var rightControlGraphics = LK.getAsset('road', { anchorX: 0, anchorY: 0, width: 2048 / 2, height: 2732, alpha: 0 }); rightControlArea.x = 2048 / 2; rightControlArea.addChild(rightControlGraphics); game.addChild(rightControlArea); // Controls var leftPressed = false; var rightPressed = false; // Event handlers game.down = function (x, y, obj) { if (!isGameStarted) { startGame(); return; } if (x < 2048 / 2) { leftPressed = true; } else { rightPressed = true; } }; game.up = function (x, y, obj) { if (x < 2048 / 2) { leftPressed = false; } else { rightPressed = false; } }; game.move = function (x, y, obj) { // No additional move handling needed }; // Game functions function startGame() { isGameStarted = true; startTxt.visible = false; score = 0; fuelLevel = 100; timeRemaining = 30; isGameOver = false; playerCar.speed = 0; // Clear existing objects for (var i = 0; i < obstacles.length; i++) { obstacles[i].destroy(); } obstacles = []; for (var i = 0; i < fuels.length; i++) { fuels[i].destroy(); } fuels = []; for (var i = 0; i < checkpoints.length; i++) { checkpoints[i].destroy(); } checkpoints = []; // Start the timer startTimer(); // Start background music LK.playMusic('bgmusic'); } function spawnObstacle() { var obstacle = new Obstacle(); obstacle.x = roadLeft + Math.random() * roadWidth; obstacle.y = -obstacle.height; obstacles.push(obstacle); game.addChild(obstacle); } function spawnFuel() { var fuel = new Fuel(); fuel.x = roadLeft + Math.random() * roadWidth; fuel.y = -fuel.height; fuels.push(fuel); game.addChild(fuel); } function spawnCheckpoint() { var checkpoint = new Checkpoint(); checkpoint.x = 2048 / 2; checkpoint.y = -checkpoint.height; checkpoints.push(checkpoint); game.addChild(checkpoint); } function startTimer() { LK.clearInterval(gameTimer); gameTimer = LK.setInterval(function () { if (isGameStarted && !isGameOver) { timeRemaining--; timeTxt.setText('TIME: ' + timeRemaining + 's'); if (timeRemaining <= 0) { gameOver(); } } }, 1000); } function gameOver() { isGameOver = true; LK.showGameOver(); LK.stopMusic(); } // Main game loop var gameTimer; game.update = function () { if (!isGameStarted || isGameOver) { return; } // Update score score += playerCar.speed * 0.1; scoreTxt.setText('SCORE: ' + Math.floor(score)); // Update fuel fuelLevel -= 0.05 * (playerCar.speed / playerCar.maxSpeed); if (fuelLevel <= 0) { fuelLevel = 0; gameOver(); } fuelTxt.setText('FUEL: ' + Math.floor(fuelLevel) + '%'); // Handle controls if (leftPressed) { playerCar.turnLeft(); } if (rightPressed) { playerCar.turnRight(); } if (leftPressed || rightPressed) { playerCar.accelerate(); } else { playerCar.coast(); } // Spawn objects if (LK.ticks - lastObstacleTime > 90) { spawnObstacle(); lastObstacleTime = LK.ticks; } if (LK.ticks - lastFuelTime > 180) { spawnFuel(); lastFuelTime = LK.ticks; } if (LK.ticks - lastCheckpointTime > 600) { spawnCheckpoint(); lastCheckpointTime = LK.ticks; } // Update road lines for (var i = 0; i < roadLines.length; i++) { roadLines[i].speed = playerCar.speed; roadLines[i].update(); } // Update obstacles for (var i = obstacles.length - 1; i >= 0; i--) { var obstacle = obstacles[i]; obstacle.update(); // Check collision if (playerCar.intersects(obstacle)) { LK.getSound('crash').play(); LK.effects.flashObject(playerCar, 0xFF0000, 500); playerCar.speed *= 0.5; score -= 50; fuelLevel -= fuelLevel * 0.29; // Reduce fuel by 29% if (score < 0) { score = 0; } // Remove obstacle obstacle.destroy(); obstacles.splice(i, 1); } } // Update fuels for (var i = fuels.length - 1; i >= 0; i--) { var fuel = fuels[i]; fuel.update(); // Check collection if (playerCar.intersects(fuel)) { LK.getSound('pickup').play(); LK.effects.flashObject(fuel, 0x00FF00, 300); fuelLevel += 20; if (fuelLevel > 100) { fuelLevel = 100; } // Remove fuel fuel.destroy(); fuels.splice(i, 1); } } // Update checkpoints for (var i = checkpoints.length - 1; i >= 0; i--) { var checkpoint = checkpoints[i]; checkpoint.update(); // Check collection if (playerCar.intersects(checkpoint)) { LK.getSound('checkpoint_reached').play(); LK.effects.flashScreen(0xFFFF00, 300); timeRemaining += 15; score += 100; // Remove checkpoint checkpoint.destroy(); checkpoints.splice(i, 1); } } // Update player car playerCar.update(); };