/**** * Classes ****/ var Cactus = Container.expand(function () { var self = Container.call(this); var cactusGraphics = self.attachAsset('cactus', { anchorX: 0.5, anchorY: 1.0, scaleX: 1 + Math.random() * 0.2, scaleY: 1 + Math.random() * 0.2 }); self.move = function () { if (LK.ticks % 600 == 0) { game.speed *= 1.1; } self.x -= game.speed * 2; if (LK.ticks % 60 == 0) { self.scale.x *= -1; } }; }); var Cloud = Container.expand(function () { var self = Container.call(this); self.attachAsset('cloud', { anchorX: 0.5, anchorY: 0 }); self.x = 2048; // Position cloud outside of the playspace self.move = function () { self.x -= game.speed; if (self.x + self.width <= 0) { self.x = 2048; // Assuming the width of the playspace is 2048 } }; }); var Collectible = Container.expand(function () { var self = Container.call(this); self.attachAsset('collectible', { anchorX: 0.5, anchorY: 0.5 }); self.move = function () { self.x -= game.speed; if (self.x < -100) { self.destroy(); game.collectibles = []; } }; }); var Dinosaur = Container.expand(function () { var self = Container.call(this); var dinosaurGraphics = self.attachAsset('dinosaur', { anchorX: 1.0, anchorY: 1.0 }); self.isJumping = false; self.jumpSpeed = 0; self.gravity = 0.6; self.jump = function () { if (!self.isJumping && self.y >= game.floorLevel) { self.isJumping = true; self.jumpSpeed = -30; } }; self.update = function () { if (self.isJumping) { self.y += self.jumpSpeed; self.jumpSpeed += self.gravity; } if (self.y > game.floorLevel) { self.y = game.floorLevel; self.isJumping = false; } if (LK.ticks % 18 == 0) { self.scale.x *= self.scale.x > 1 ? 0.95 : 1.05; self.scale.y *= self.scale.y > 1 ? 0.95 : 1.05; } }; }); var Ground = Container.expand(function () { var self = Container.call(this); self.attachAsset('ground', { anchorX: 0, anchorY: -0.9 }); self.move = function () { self.x -= game.speed * 2; // Increase ground speed if (self.x <= -2048) { self.x += 4096; } }; }); var NightBackground = Container.expand(function () { var self = Container.call(this); self.attachAsset('nightBackground', { width: 2048 * 1.2, height: 2732 * 1.2, anchorX: 0.1, anchorY: 0 }); }); var Pterodactyl = Container.expand(function () { var self = Container.call(this); var pterodactylGraphics = self.attachAsset('pterodactyl', { anchorX: 0.5, anchorY: 0.5 }); self.direction = Math.random() < 0.5 ? 1 : -1; self.move = function () { if (LK.ticks % 600 == 0) { game.speed *= 1.1; } self.x -= game.speed * 2; //self.y += Math.sin(LK.ticks / 10) * 5; self.rotation += Math.PI * 0.01 * self.direction; }; }); var Star = Container.expand(function () { var self = Container.call(this); var starGraphics = self.attachAsset('particle', { anchorX: 0.5, anchorY: 0.5 }); self.vx = Math.random() * 80 - 40; // Horizontal velocity self.vy = Math.random() * 80 - 40; // Vertical velocity self.lifeSpan = 100; // Frames before disappearing self.move = function () { self.x += self.vx; self.y += self.vy; self.alpha -= 0.01; self.lifeSpan--; }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87ceeb }); /**** * Game Code ****/ game.collectibles = []; game.particlesArray = []; var cloud = game.addChild(new Cloud()); cloud.x = 3000; cloud.y = 900; game.setChildIndex(cloud, game.children.length - 1); var title = LK.gui.top.addChild(LK.getAsset('title', { anchorX: 0, anchorY: 0, x: -250, //-500, y: 100 })); var nightBackground1 = game.addChildAt(new NightBackground(), 0); game.setChildIndex(nightBackground1, 0); var scoreTxt = new Text2(LK.getScore().toString(), { size: 150, fill: '#ffffff' }); scoreTxt.anchor.set(0.5, 0.5); LK.gui.center.addChild(scoreTxt); var ground1 = game.addChild(new Ground()); ground1.x = 0; ground1.y = 2732 - 200; var ground2 = game.addChild(new Ground()); ground2.x = 2048; ground2.y = 2732 - 200; var ground3 = game.addChild(new Ground()); ground3.x = 1024; ground3.y = 2732 - 200; game.speed = 5; game.floorLevel = 2732 - 90; game.score = 0; game.obstacles = []; game.particlesArray = []; var dinosaur = game.addChild(new Dinosaur()); dinosaur.x = 300; dinosaur.y = game.floorLevel; game.on('down', function () { dinosaur.jump(); }); LK.on('tick', function () { dinosaur.update(); if (LK.ticks % 60 == 0) { game.score += 1; } scoreTxt.setText(LK.getScore().toString()); LK.setScore(Math.floor(game.score)); // Update the score display // Move the ground and background cloud.move(); ground1.move(); ground2.move(); ground3.move(); // Handle obstacles if (game.collectibles.length == 0 && LK.ticks % 420 == 0) { // Add a new collectible every 7 to 14 seconds var collectible = new Collectible(); collectible.y = game.floorLevel - Math.random() * 500 - 300; // Random height for collectible collectible.x = 2048; game.collectibles.push(collectible); game.addChild(collectible); } if (game.score >= 200 ? LK.ticks % 60 == 0 : game.score >= 100 ? LK.ticks % 102 == 0 : LK.ticks % 120 == 0) { // Add a new obstacle every 1.7 seconds var obstacle; if (Math.random() < 0.5) { obstacle = new Cactus(); obstacle.y = game.floorLevel; } else { obstacle = new Pterodactyl(); obstacle.y = game.floorLevel - Math.random() * 300 - 300; // Random height for pterodactyl } obstacle.x = 2048; game.obstacles.push(obstacle); game.addChild(obstacle); // Add a 10% chance to spawn two pterodactyls rather than one if (Math.random() < 0.1) { var secondObstacle = new Pterodactyl(); secondObstacle.y = game.floorLevel - Math.random() * 300 - 300; // Random height for second pterodactyl secondObstacle.x = 2048; game.obstacles.push(secondObstacle); game.addChild(secondObstacle); } } for (var i = game.collectibles.length - 1; i >= 0; i--) { game.collectibles[i].move(); if (dinosaur.intersects(game.collectibles[i])) { // Destroy the collectible and add +10 to the score when player collides with it game.collectibles[i].destroy(); game.collectibles = []; game.score += 10; // Trigger star explosion for (var j = 0; j < 20; j++) { var star = new Star(); star.x = dinosaur.x; star.y = dinosaur.y - 200; game.particlesArray.push(star); game.addChild(star); } } if (game.collectibles[i] && game.collectibles[i].x < -100) { // Remove off-screen collectibles game.collectibles[i].destroy(); game.collectibles.splice(i, 1); } } for (var i = game.particlesArray.length - 1; i >= 0; i--) { game.particlesArray[i].move(); if (game.particlesArray[i].lifespan <= 0) { game.particlesArray[i].destroy(); game.particlesArray[i].splice(i, 1); } } for (var i = game.obstacles.length - 1; i >= 0; i--) { game.obstacles[i].move(); if (dinosaur.intersects(game.obstacles[i])) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } if (game.obstacles[i].x < -100) { // Remove off-screen obstacles game.obstacles[i].destroy(); game.obstacles.splice(i, 1); } } });