/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1", { highScore: 0 }); /**** * Classes ****/ var Cloud = Container.expand(function () { var self = Container.call(this); var cloudShape = self.attachAsset('cloud', { anchorX: 0.5, anchorY: 0.5, alpha: 0.8 }); self.speed = 0.5 + Math.random() * 0.5; self.update = function () { self.x -= self.speed; if (self.x < -cloudShape.width) { self.x = 2048 + cloudShape.width; self.y = 100 + Math.random() * 500; } }; return self; }); var FuelBar = Container.expand(function () { var self = Container.call(this); var frame = self.attachAsset('fuelBar', { anchorX: 1.0, anchorY: 0.0, tint: 0x000000 // Frame color }); var bar = self.attachAsset('fuelBar', { anchorX: 1.0, anchorY: 0.0, tint: 0x00ff00 // Glowing fill effect }); self.maxFuel = 100; self.currentFuel = self.maxFuel; self.depletionRate = 0.05; // Adjusted fuel depletion rate for fairness self.update = function () { if (self.currentFuel > 0) { // Adjust depletion rate based on score var dynamicDepletionRate = self.depletionRate + Math.min(0.05, score * 0.001); self.currentFuel -= dynamicDepletionRate; bar.scaleX = self.currentFuel / self.maxFuel; if (self.currentFuel < 25) { // Low fuel warning tween(bar, { tint: 0xff0000 }, { duration: 500, easing: tween.easeInOut, onFinish: function onFinish() { tween(bar, { tint: 0x00ff00 }, { duration: 500, easing: tween.easeInOut }); } }); if (!self.lowFuelSoundPlaying) { LK.getSound('lowFuelWarning').play(); self.lowFuelSoundPlaying = true; } } else { self.lowFuelSoundPlaying = false; } } else { bird.die(); // Trigger game over if fuel is empty } }; self.refill = function (amount) { self.currentFuel = Math.min(self.currentFuel + amount, self.maxFuel); }; var fuelIcon = self.attachAsset('fuelCollectible', { anchorX: 0.5, anchorY: 0.5, x: -frame.width - 20, // Position next to the fuel bar y: frame.height / 2 }); return self; }); var FuelCollectible = Container.expand(function (type) { var self = Container.call(this); self.type = type; var collectible = self.attachAsset(type, { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x -= baseObstacleSpeed; // Move fuel tanks from right to left collectible.rotation -= 0.05; // Reverse slow spin collectible.alpha = 0.8 + 0.2 * Math.sin(LK.ticks * 0.1); // Light glow effect if (self.x < -collectible.width) { self.destroy(); } }; self.speed = baseFuelSpeed; // Set fuel tank speed to match obstacles return self; }); var Helicopter = Container.expand(function () { var self = Container.call(this); // Bird body var body = self.attachAsset('helicopter', { anchorX: 0.5, anchorY: 0.5 }); // Bird properties self.velocity = 0; self.gravity = 0.5; self.flapPower = -12; self.rotation = 0; self.alive = true; self.flap = function () { if (!self.alive) { return; } self.velocity = self.flapPower; LK.getSound('flap').play(); // Wing flap animation tween(self, { scaleY: 0.7 }, { duration: 100, onFinish: function onFinish() { tween(self, { scaleY: 1 }, { duration: 200 }); } }); }; self.update = function () { if (!self.alive) { return; } // Apply gravity or hold-to-fly mechanic if (self.holdFlying) { self.velocity = Math.max(self.velocity - 0.2, -5); // Slow rise when holding } else { self.velocity += self.gravity; } self.y += self.velocity; // Rotate based on velocity var targetRotation = self.velocity * 0.03; targetRotation = Math.max(Math.min(targetRotation, Math.PI / 4), -Math.PI / 4); self.rotation += (targetRotation - self.rotation) * 0.1; // Boundaries if (self.y < 0) { self.die(); // Trigger game over when the player goes off-screen at the top } if (self.y > 2732 - 250) { self.die(); } }; self.die = function () { if (!self.alive) { return; } self.alive = false; LK.getSound('hit').play(); LK.effects.flashObject(self, 0xff0000, 500); // Death spin animation tween(self, { rotation: Math.PI, alpha: 0.7 }, { duration: 1000, onFinish: function onFinish() { LK.showGameOver(); } }); }; // Rotor blade animation var rotor = self.attachAsset('helicopterRotor', { anchorX: 0.5, anchorY: 0.5, x: 0, y: -body.height / 2 }); // Function to continuously rotate the rotor function rotateRotor() { tween(rotor, { rotation: rotor.rotation + Math.PI * 2 }, { duration: 500, onFinish: rotateRotor }); } // Start the rotor animation rotateRotor(); return self; }); var Obstacle = Container.expand(function (topType, bottomType) { var self = Container.call(this); // Gap between top and bottom obstacles // Top obstacle var topObstacle = self.attachAsset(topType, { anchorX: 0.5, anchorY: 1.0, y: 0 }); var bottomObstacle = self.attachAsset(bottomType, { anchorX: 0.5, anchorY: 0, y: 0 }); self.speed = 3; self.passed = false; self.width = topObstacle.width; self.setGapSize = function (size) { bottomObstacle.y = topObstacle.y + size; }; self.update = function () { self.x -= self.speed; }; return self; }); var PowerUp = Container.expand(function () { var self = Container.call(this); var powerUpAsset = self.attachAsset('powerUp', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x -= baseObstacleSpeed; if (self.x < -powerUpAsset.width) { self.destroy(); } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB, title: 'Fly High: Fuel or Fall' }); /**** * Game Code ****/ // Game variables var bird; var obstacles = []; var clouds = []; var water; var score = 0; var highScore = storage.highScore || 0; var baseObstacleSpeed = 3; var baseFuelSpeed = baseObstacleSpeed; // Initialize fuel tank speed to match obstacles var spawnInterval = 150; var minGapSize = 400; var gameStarted = false; var scoreTxt; var highScoreTxt; var instructionsTxt; // Initialize water (always at bottom of screen) water = LK.getAsset('water', { anchorX: 0, anchorY: 0, x: 0, y: 2732 - 500 }); game.addChild(water); // Initialize clouds for (var i = 0; i < 5; i++) { var cloud = new Cloud(); cloud.x = Math.random() * 2048; cloud.y = 100 + Math.random() * 500; clouds.push(cloud); game.addChild(cloud); } // Initialize bird bird = new Helicopter(); bird.x = 400; bird.y = 2732 / 2; game.addChild(bird); // Initialize fuel bar var fuelBar = new FuelBar(); fuelBar.x = 2048 - 20; // Position at top-right corner fuelBar.y = 20; // Score text scoreTxt = new Text2('0', { size: 120, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); scoreTxt.y = 50; // Move the score text slightly down LK.gui.top.addChild(scoreTxt); // Initialize fuel bar var fuelBar = new FuelBar(); fuelBar.x = scoreTxt.x + scoreTxt.width / 2 + 60; // Increase space between the fuel bar and fuel tank fuelBar.y = 20; LK.gui.top.addChild(fuelBar); // High score text highScoreTxt = new Text2('Best: ' + highScore, { size: 60, fill: 0xFFFFFF }); highScoreTxt.anchor.set(0.5, 0); highScoreTxt.y = 180; LK.gui.top.addChild(highScoreTxt); // Instructions text instructionsTxt = new Text2('Tap to flap!', { size: 80, fill: 0xFFFFFF }); instructionsTxt.anchor.set(0.5, 0.5); LK.gui.center.addChild(instructionsTxt); // Tap to flap function function handleTap() { if (!gameStarted) { gameStarted = true; instructionsTxt.visible = false; LK.playMusic('bgMusic'); } bird.flap(); } // Obstacle spawning function function spawnObstacle() { var obstacleTypes = ['lollipop', 'birdNest', 'ufo', 'satellite', 'tree', 'balloon', 'bird', 'smily']; var chosenType = obstacleTypes[Math.floor(Math.random() * obstacleTypes.length)]; var topObstacleType = obstacleTypes[Math.floor(Math.random() * obstacleTypes.length)]; var bottomObstacleType = obstacleTypes[Math.floor(Math.random() * obstacleTypes.length)]; var obstacle = new Obstacle(topObstacleType, bottomObstacleType); // Set position obstacle.x = 2048 + obstacle.width; // Random vertical position for the gap, keeping it away from the very top and bottom var minY = 100; // Ensure taller obstacles are fully visible var maxY = 2732 - 500 - minGapSize - obstacle.children[0].height; // Adjust maxY to account for obstacle height obstacle.y = minY + Math.random() * (maxY - minY); // Adjust gap size based on score (gets narrower as score increases) var gapSize = minGapSize + 300 - Math.min(200, score * 5); obstacle.setGapSize(gapSize); // Adjust speed based on score (gets faster as score increases) obstacle.speed = baseObstacleSpeed + Math.min(5, score * 0.1); obstacles.push(obstacle); game.addChild(obstacle); } // Handle tap or click game.down = function (x, y, obj) { handleTap(); bird.holdFlying = true; }; // Handle release of mouse or touch game.up = function (x, y, obj) { bird.holdFlying = false; }; // Game update loop game.update = function () { // Update clouds for (var i = 0; i < clouds.length; i++) { clouds[i].update(); } if (!gameStarted) { return; } // Spawn obstacles if (LK.ticks % spawnInterval === 0) { spawnObstacle(); } // Spawn fuel collectible occasionally if (LK.ticks % (spawnInterval * Math.max(3, 5 - Math.floor(score / 10))) === 0) { if (Math.random() < 0.1) { // 10% chance to spawn a power-up var powerUp = new PowerUp(); powerUp.x = 2048 + 50; powerUp.y = 150 + Math.random() * (2732 - 900 - minGapSize); game.addChild(powerUp); } var fuelType = Math.random() < 0.8 ? 'smallFuelCollectible' : 'bigFuelCollectible'; // 80% chance for small, 20% for big var fuelCollectible = new FuelCollectible(fuelType); fuelCollectible.x = 2048 + 50; fuelCollectible.y = 150 + Math.random() * (2732 - 900 - minGapSize); game.addChild(fuelCollectible); } // Update obstacles for (var j = obstacles.length - 1; j >= 0; j--) { var obstacle = obstacles[j]; obstacle.update(); // Check if bird passed obstacle if (!obstacle.passed && bird.x > obstacle.x + obstacle.width / 2) { obstacle.passed = true; score++; LK.setScore(score); scoreTxt.setText(score.toString()); LK.getSound('score').play(); // Update high score if needed if (score > highScore) { highScore = score; storage.highScore = highScore; highScoreTxt.setText('Best: ' + highScore); } } // Check for collision with bird if (bird.alive) { var topObstacleBounds = new Rectangle(obstacle.x - obstacle.width / 2, obstacle.y - obstacle.children[0].height, obstacle.width, obstacle.children[0].height); var bottomObstacleBounds = new Rectangle(obstacle.x - obstacle.width / 2, obstacle.y + obstacle.children[1].y, obstacle.width, obstacle.children[1].height); var birdBounds = new Rectangle(bird.x - 60, bird.y - 40, 120, 80); // Check collision with top obstacle if (birdBounds.x + birdBounds.width > topObstacleBounds.x && birdBounds.x < topObstacleBounds.x + topObstacleBounds.width && birdBounds.y + birdBounds.height > topObstacleBounds.y && birdBounds.y < topObstacleBounds.y + topObstacleBounds.height) { bird.die(); } // Check collision with bottom obstacle if (birdBounds.x + birdBounds.width > bottomObstacleBounds.x && birdBounds.x < bottomObstacleBounds.x + bottomObstacleBounds.width && birdBounds.y < bottomObstacleBounds.y + bottomObstacleBounds.height && birdBounds.y + birdBounds.height > bottomObstacleBounds.y) { bird.die(); } } // Remove obstacles that are off-screen if (obstacle.x < -obstacle.width) { obstacle.destroy(); obstacles.splice(j, 1); } } // Update fuel bar fuelBar.update(); // Check for fuel collection var fuelCollectibles = game.children.filter(function (child) { return child instanceof FuelCollectible; }); for (var k = fuelCollectibles.length - 1; k >= 0; k--) { var fuel = fuelCollectibles[k]; if (bird.intersects(fuel)) { if (fuel.type === 'smallFuelCollectible') { var smallFuelValue = 20 + Math.min(5, score * 0.1); // Scale with score fuelBar.refill(smallFuelValue); // Refill fuel bar LK.getSound('collectSmallFuel').play(); } else if (fuel.type === 'bigFuelCollectible') { fuelBar.refill(fuelBar.maxFuel); // Instantly refill to 100% LK.getSound('collectBigFuel').play(); // Add a satisfying animation for full refill tween(fuelBar, { scaleX: 1.2, scaleY: 1.2 }, { duration: 300, easing: tween.easeOut, onFinish: function onFinish() { tween(fuelBar, { scaleX: 1, scaleY: 1 }, { duration: 300, easing: tween.easeIn }); } }); } fuel.destroy(); } } // Check for power-up collection var powerUps = game.children.filter(function (child) { return child instanceof PowerUp; }); for (var l = powerUps.length - 1; l >= 0; l--) { var powerUp = powerUps[l]; if (bird.intersects(powerUp)) { baseObstacleSpeed += 2; // Increase speed LK.setTimeout(function () { baseObstacleSpeed -= 2; // Revert speed after 10 seconds }, 10000); powerUp.destroy(); } } // Update bird bird.update(); };