/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ // Obstacle: Acid Pool var AcidPool = Container.expand(function () { var self = Container.call(this); var acid = self.attachAsset('acid_pool', { anchorX: 0.5, anchorY: 0.5 }); self.damage = 1; return self; }); // Bird class: each bird has a type, unique ability, and can be controlled var Bird = Container.expand(function () { var self = Container.call(this); // Properties self.type = 'red'; // 'red', 'blue', 'yellow' self.isActive = false; self.isOnGround = false; self.isBubbled = false; self.bubbleTimer = 0; // Attach correct asset var assetId = 'bird_red'; if (self.type === 'blue') assetId = 'bird_blue'; if (self.type === 'yellow') assetId = 'bird_yellow'; var birdSprite = self.attachAsset(assetId, { anchorX: 0.5, anchorY: 0.5 }); // Physics self.vx = 0; self.vy = 0; self.gravity = 1.5; self.jumpPower = -38; self.moveSpeed = 18; // Ability cooldowns self.abilityReady = true; self.abilityCooldown = 0; // Set bird type and adjust stats self.setType = function (type) { self.type = type; if (type === 'red') { birdSprite.assetId = 'bird_red'; self.jumpPower = -38; self.moveSpeed = 18; } else if (type === 'blue') { birdSprite.assetId = 'bird_blue'; self.jumpPower = -32; self.moveSpeed = 24; } else if (type === 'yellow') { birdSprite.assetId = 'bird_yellow'; self.jumpPower = -28; self.moveSpeed = 16; } }; // Activate/deactivate self.setActive = function (active) { self.isActive = active; birdSprite.alpha = active ? 1 : 0.5; if (active) { tween(self, { scaleX: 1.2, scaleY: 1.2 }, { duration: 120, easing: tween.easeOut, onFinish: function onFinish() { tween(self, { scaleX: 1, scaleY: 1 }, { duration: 120, easing: tween.easeIn }); } }); } }; // Bird jump self.jump = function () { if (self.isOnGround && !self.isBubbled) { self.vy = self.jumpPower; self.isOnGround = false; LK.getSound('jump').play(); } }; // Bird ability self.useAbility = function () { if (!self.abilityReady || self.isBubbled) return; if (self.type === 'red') { // Red: invulnerable for 1s (flashes) self.abilityReady = false; self.invulnerable = true; var flashCount = 0; var flashTimer = LK.setInterval(function () { birdSprite.alpha = birdSprite.alpha === 1 ? 0.3 : 1; flashCount++; if (flashCount > 8) { LK.clearInterval(flashTimer); birdSprite.alpha = self.isActive ? 1 : 0.5; self.invulnerable = false; self.abilityCooldown = 60; } }, 120); } else if (self.type === 'blue') { // Blue: dash forward self.abilityReady = false; self.vx += (self.facingRight ? 1 : -1) * 60; self.abilityCooldown = 60; } else if (self.type === 'yellow') { // Yellow: bubble float (becomes bubbled for 1.2s) self.abilityReady = false; self.isBubbled = true; self.bubbleTimer = 72; LK.getSound('bubble_pop').play(); self.abilityCooldown = 90; } }; // Update per frame self.update = function () { // Ability cooldown if (!self.abilityReady) { self.abilityCooldown--; if (self.abilityCooldown <= 0) { self.abilityReady = true; } } // Bubble float if (self.isBubbled) { self.vy = -6; self.bubbleTimer--; if (self.bubbleTimer <= 0) { self.isBubbled = false; } } else { // Gravity self.vy += self.gravity; } // Clamp vy if (self.vy > 40) self.vy = 40; // Move self.x += self.vx; self.y += self.vy; // Friction self.vx *= 0.82; if (Math.abs(self.vx) < 1) self.vx = 0; // Clamp to stomach bounds if (self.x < 200) self.x = 200; if (self.x > 2048 - 200) self.x = 2048 - 200; if (self.y < 300) self.y = 300; if (self.y > 2732 - 200) { self.y = 2732 - 200; self.vy = 0; self.isOnGround = true; } }; return self; }); // Obstacle: Bubble (for yellow bird to float) var Bubble = Container.expand(function () { var self = Container.call(this); var bubble = self.attachAsset('bubble', { anchorX: 0.5, anchorY: 0.5 }); self.active = true; return self; }); // Exit: Esophagus var Exit = Container.expand(function () { var self = Container.call(this); var exit = self.attachAsset('exit', { anchorX: 0.5, anchorY: 0.5 }); return self; }); // Obstacle: Spike var Spike = Container.expand(function () { var self = Container.call(this); var spike = self.attachAsset('spike', { anchorX: 0.5, anchorY: 0.5 }); return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ // Music // Sound effects // Exit: esophagus (brown ellipse) // Obstacles: acid pool (green), spike (purple triangle), bubble (blue ellipse) // Crab stomach background (large ellipse, light pink) // Bird assets: three birds, each with a unique color and shape // Play music LK.playMusic('crabbelly_theme'); // Add stomach background var stomach = LK.getAsset('crab_stomach', { anchorX: 0.5, anchorY: 0.5, x: 1024, y: 1366 }); game.addChild(stomach); // Obstacles var obstacles = []; var acid1 = new AcidPool(); acid1.x = 1024; acid1.y = 1800; game.addChild(acid1); obstacles.push(acid1); var acid2 = new AcidPool(); acid2.x = 600; acid2.y = 1200; game.addChild(acid2); obstacles.push(acid2); var spike1 = new Spike(); spike1.x = 1500; spike1.y = 900; game.addChild(spike1); obstacles.push(spike1); var spike2 = new Spike(); spike2.x = 500; spike2.y = 600; game.addChild(spike2); obstacles.push(spike2); var bubble1 = new Bubble(); bubble1.x = 900; bubble1.y = 1550; game.addChild(bubble1); obstacles.push(bubble1); var bubble2 = new Bubble(); bubble2.x = 1300; bubble2.y = 700; game.addChild(bubble2); obstacles.push(bubble2); // Exit var exit = new Exit(); exit.x = 1024; exit.y = 400; game.addChild(exit); // Birds var birds = []; var birdRed = new Bird(); birdRed.setType('red'); birdRed.x = 1024; birdRed.y = 2200; birdRed.facingRight = true; game.addChild(birdRed); birds.push(birdRed); var birdBlue = new Bird(); birdBlue.setType('blue'); birdBlue.x = 1124; birdBlue.y = 2250; birdBlue.facingRight = true; game.addChild(birdBlue); birds.push(birdBlue); var birdYellow = new Bird(); birdYellow.setType('yellow'); birdYellow.x = 924; birdYellow.y = 2250; birdYellow.facingRight = true; game.addChild(birdYellow); birds.push(birdYellow); // Active bird index var activeBirdIndex = 0; birds[activeBirdIndex].setActive(true); // Health and timer var health = 3; var maxTime = 60 * 30; // 30 seconds var timeLeft = maxTime; // Score text (shows time left) var timerTxt = new Text2('Time: 30', { size: 90, fill: '#fff' }); timerTxt.anchor.set(0.5, 0); LK.gui.top.addChild(timerTxt); var healthTxt = new Text2('❤️❤️❤️', { size: 90, fill: '#fff' }); healthTxt.anchor.set(0.5, 0); LK.gui.topRight.addChild(healthTxt); // Switch bird button (bottom center) var switchTxt = new Text2('Switch Bird', { size: 80, fill: '#fff' }); switchTxt.anchor.set(0.5, 0.5); LK.gui.bottom.addChild(switchTxt); // Ability button (bottom right) var abilityTxt = new Text2('Ability', { size: 80, fill: '#fff' }); abilityTxt.anchor.set(0.5, 0.5); LK.gui.bottomRight.addChild(abilityTxt); // Dragging var dragNode = null; var dragOffsetX = 0; var dragOffsetY = 0; // Touch controls: tap left/right to move, tap above to jump, tap switch/ability var lastTouchX = 0; var lastTouchY = 0; // Helper: update health display function updateHealth() { var s = ''; for (var i = 0; i < health; i++) s += '❤️'; healthTxt.setText(s); } // Helper: update timer display function updateTimer() { var t = Math.ceil(timeLeft / 60); timerTxt.setText('Time: ' + t); } // Helper: switch active bird function switchBird() { birds[activeBirdIndex].setActive(false); activeBirdIndex = (activeBirdIndex + 1) % birds.length; birds[activeBirdIndex].setActive(true); LK.getSound('switch').play(); } // Helper: use ability function useAbility() { birds[activeBirdIndex].useAbility(); } // Helper: check collision between two objects function collides(a, b) { var dx = a.x - b.x; var dy = a.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); var r1 = (a.width ? a.width : 120) / 2; var r2 = (b.width ? b.width : 120) / 2; return dist < (r1 + r2) * 0.8; } // Game move handler (drag to move bird, tap to jump) game.move = function (x, y, obj) { // Only allow drag if started on bird if (dragNode) { dragNode.x = x - dragOffsetX; dragNode.y = y - dragOffsetY; } lastTouchX = x; lastTouchY = y; }; // Touch down: check if on bird, switch, or ability game.down = function (x, y, obj) { // Check if on switch button var guiSwitch = LK.gui.bottom.toLocal({ x: x, y: y }); if (switchTxt.containsPoint && switchTxt.containsPoint(guiSwitch)) { switchBird(); return; } // Check if on ability button var guiAbility = LK.gui.bottomRight.toLocal({ x: x, y: y }); if (abilityTxt.containsPoint && abilityTxt.containsPoint(guiAbility)) { useAbility(); return; } // Check if on active bird var bird = birds[activeBirdIndex]; var bx = bird.x, by = bird.y; var dx = x - bx, dy = y - by; if (dx * dx + dy * dy < 100 * 100) { dragNode = bird; dragOffsetX = x - bird.x; dragOffsetY = y - bird.y; } else { // If tap above bird, jump if (y < bird.y - 80) { bird.jump(); } else if (x < bird.x - 60) { bird.vx = -bird.moveSpeed; bird.facingRight = false; } else if (x > bird.x + 60) { bird.vx = bird.moveSpeed; bird.facingRight = true; } } }; // Touch up: stop drag game.up = function (x, y, obj) { dragNode = null; }; // Main update loop game.update = function () { // Timer timeLeft--; if (timeLeft < 0) { LK.getSound('lose').play(); LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } updateTimer(); // Update birds for (var i = 0; i < birds.length; i++) { birds[i].update(); } // Collisions: obstacles for (var i = 0; i < birds.length; i++) { var bird = birds[i]; // Acid for (var j = 0; j < obstacles.length; j++) { var obs = obstacles[j]; if (obs instanceof AcidPool) { if (collides(bird, obs)) { if (!bird.invulnerable && !bird.isBubbled) { health--; updateHealth(); LK.getSound('acid_sizzle').play(); LK.effects.flashObject(bird, 0x00ff00, 600); bird.invulnerable = true; // Temporary invulnerability (function (b) { var t = LK.setTimeout(function () { b.invulnerable = false; }, 900); })(bird); if (health <= 0) { LK.getSound('lose').play(); LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } } } } // Spikes if (obs instanceof Spike) { if (collides(bird, obs)) { if (!bird.invulnerable && !bird.isBubbled) { health--; updateHealth(); LK.effects.flashObject(bird, 0xaa00ff, 600); bird.invulnerable = true; (function (b) { var t = LK.setTimeout(function () { b.invulnerable = false; }, 900); })(bird); if (health <= 0) { LK.getSound('lose').play(); LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } } } } // Bubbles if (obs instanceof Bubble && obs.active) { if (collides(bird, obs)) { if (bird.type === 'yellow' && !bird.isBubbled) { bird.isBubbled = true; bird.bubbleTimer = 72; obs.active = false; obs.visible = false; LK.getSound('bubble_pop').play(); } } } } // Exit if (collides(bird, exit)) { // Only if all birds reach exit, win var allAtExit = true; for (var k = 0; k < birds.length; k++) { if (!collides(birds[k], exit)) allAtExit = false; } if (allAtExit) { LK.getSound('win').play(); LK.effects.flashScreen(0x00ff00, 1000); LK.showYouWin(); return; } } } }; // Initial health/timer display updateHealth(); updateTimer();