/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Bird = Container.expand(function () { var self = Container.call(this); var birdGraphics = self.attachAsset('bird', { anchorX: 0.5, anchorY: 0.5 }); self.velocity = 0; self.gravity = 0.8; self.flapPower = -12; self.flap = function () { self.velocity = self.flapPower; LK.getSound('flap').play(); // Add a little bounce animation tween(birdGraphics, { rotation: -0.3 }, { duration: 100 }); tween(birdGraphics, { rotation: 0 }, { duration: 200 }); }; self.update = function () { self.velocity += self.gravity; self.y += self.velocity; // Rotate bird based on velocity birdGraphics.rotation = Math.max(-0.5, Math.min(0.5, self.velocity * 0.05)); // Check ground collision if (self.y > 2732 - 150 && !invulnerable) { lives--; livesText.setText('Lives: ' + lives); if (lives <= 0) { skullText.alpha = 1; // Show skull emoji tween(skullText, { scaleX: 1.5, scaleY: 1.5 }, { duration: 500 }); LK.setTimeout(function () { LK.showGameOver(); }, 1000); } else { // Reset bird position and velocity self.y = 1366; self.velocity = 0; // Start invulnerability period invulnerable = true; invulnerabilityTimer = 0; // Visual feedback for invulnerability tween(birdGraphics, { alpha: 0.5 }, { duration: 100 }); LK.effects.flashScreen(0xffffff, 250); } } // Check ceiling collision if (self.y < 0) { self.y = 0; self.velocity = 0; } }; return self; }); var Pipe = Container.expand(function () { var self = Container.call(this); self.speed = -4; self.scored = false; // Create top pipe self.topPipe = self.attachAsset('pipe', { anchorX: 0.5, anchorY: 1 }); // Create bottom pipe self.bottomPipe = self.attachAsset('pipe', { anchorX: 0.5, anchorY: 0 }); self.setGapPosition = function (gapY, gapSize) { self.topPipe.y = gapY - gapSize / 2; self.bottomPipe.y = gapY + gapSize / 2; }; self.update = function () { self.x += self.speed; // Remove pipe when off screen if (self.x < -100) { self.shouldRemove = true; } // Check scoring if (!self.scored && self.x < bird.x) { self.scored = true; LK.setScore(LK.getScore() + 1); scoreText.setText(LK.getScore()); LK.getSound('score').play(); } }; self.checkCollision = function (bird) { var birdBounds = { x: bird.x - 30, y: bird.y - 30, width: 60, height: 60 }; var topPipeBounds = { x: self.x - 60, y: self.topPipe.y - 800, width: 120, height: 800 }; var bottomPipeBounds = { x: self.x - 60, y: self.bottomPipe.y, width: 120, height: 800 }; return birdBounds.x < topPipeBounds.x + topPipeBounds.width && birdBounds.x + birdBounds.width > topPipeBounds.x && birdBounds.y < topPipeBounds.y + topPipeBounds.height && birdBounds.y + birdBounds.height > topPipeBounds.y || birdBounds.x < bottomPipeBounds.x + bottomPipeBounds.width && birdBounds.x + birdBounds.width > bottomPipeBounds.x && birdBounds.y < bottomPipeBounds.y + bottomPipeBounds.height && birdBounds.y + birdBounds.height > bottomPipeBounds.y; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB }); /**** * Game Code ****/ // Game variables var bird; var pipes = []; var ground; var scoreText; var livesText; var lives = 10; var pipeSpawnTimer = 0; var pipeSpawnInterval = 90; // Spawn pipe every 1.5 seconds at 60fps var gapSize = 300; var invulnerable = false; var invulnerabilityTimer = 0; var invulnerabilityDuration = 60; // 1 second at 60fps var skullText; // Create ground ground = game.addChild(LK.getAsset('ground', { anchorX: 0, anchorY: 0, x: 0, y: 2732 - 100 })); // Create bird bird = game.addChild(new Bird()); bird.x = 300; bird.y = 1366; // Middle of screen // Create score display scoreText = new Text2('0', { size: 120, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); scoreText.y = 100; // Create star icon next to score var starIcon = LK.getAsset('star', { anchorX: 0.5, anchorY: 0.5 }); LK.gui.top.addChild(starIcon); starIcon.x = scoreText.x - 80; starIcon.y = scoreText.y + 60; // Create lives display livesText = new Text2('Lives: 10', { size: 80, fill: 0xFFFFFF }); livesText.anchor.set(1, 0); LK.gui.topRight.addChild(livesText); livesText.x = -120; livesText.y = 50; // Create skull emoji (initially hidden) skullText = new Text2('💀', { size: 150, fill: 0xFF0000 }); skullText.anchor.set(0.5, 0.5); LK.gui.center.addChild(skullText); skullText.alpha = 0; // Initially hidden // Input handling game.down = function (x, y, obj) { bird.flap(); }; // Spawn pipes function spawnPipe() { var pipe = game.addChild(new Pipe()); pipe.x = 2148; // Start off screen to the right // Random gap position var minGapY = gapSize / 2 + 100; var maxGapY = 2732 - 100 - gapSize / 2; var gapY = minGapY + Math.random() * (maxGapY - minGapY); pipe.setGapPosition(gapY, gapSize); pipes.push(pipe); } // Main game loop game.update = function () { // Spawn pipes pipeSpawnTimer++; if (pipeSpawnTimer >= pipeSpawnInterval) { spawnPipe(); pipeSpawnTimer = 0; } // Update pipes for (var i = pipes.length - 1; i >= 0; i--) { var pipe = pipes[i]; // Check collision if (pipe.checkCollision(bird) && !invulnerable) { lives--; livesText.setText('Lives: ' + lives); if (lives <= 0) { skullText.alpha = 1; // Show skull emoji tween(skullText, { scaleX: 1.5, scaleY: 1.5 }, { duration: 500 }); LK.effects.flashScreen(0xff0000, 500); LK.setTimeout(function () { LK.showGameOver(); }, 1000); return; } else { // Reset bird position and velocity bird.y = 1366; bird.velocity = 0; // Start invulnerability period invulnerable = true; invulnerabilityTimer = 0; // Visual feedback for invulnerability tween(bird.children[0], { alpha: 0.5 }, { duration: 100 }); LK.effects.flashScreen(0xff0000, 500); } } // Remove pipes that are off screen if (pipe.shouldRemove) { pipe.destroy(); pipes.splice(i, 1); } } // Handle invulnerability timer if (invulnerable) { invulnerabilityTimer++; // Flash effect during invulnerability if (invulnerabilityTimer % 10 < 5) { bird.children[0].alpha = 0.3; } else { bird.children[0].alpha = 0.7; } // End invulnerability after duration if (invulnerabilityTimer >= invulnerabilityDuration) { invulnerable = false; invulnerabilityTimer = 0; tween(bird.children[0], { alpha: 1 }, { duration: 200 }); } } };