/**** * Classes ****/ var BodyPart = Container.expand(function () { var self = Container.call(this); var bodyPart = self.attachAsset('head', { anchorX: 0.5, anchorY: 0.5 }); }); var BonusFood = Container.expand(function () { var self = Container.call(this); // Create the bonus food var bonusFood = self.attachAsset('bonusFood', { anchorX: 0.5, anchorY: 0.5 }); }); var Food = Container.expand(function () { var self = Container.call(this); // Create the food var food = self.attachAsset('food', { anchorX: 0.5, anchorY: 0.5 }); }); var Life = Container.expand(function () { var self = Container.call(this); // Create the life var life = self.attachAsset('life', { anchorX: 0.5, anchorY: 0.5 }); }); var Pause = Container.expand(function () { var self = Container.call(this); // Create the pause button var pause = self.attachAsset('pause', { anchorX: 0.5, anchorY: 0.5 }); // Event handler called when a press happens on element. self.down = function (x, y, obj) { if (!game.paused) { game.paused = true; pause.id = 'resume'; } else { game.paused = false; pause.id = 'pause'; } }; }); var Poison = Container.expand(function () { var self = Container.call(this); // Create the poison var poison = self.attachAsset('poison', { anchorX: 0.5, anchorY: 0.5 }); }); var Snake = Container.expand(function () { var self = Container.call(this); // Create the head of the snake var head = self.attachAsset('head', { anchorX: 0.5, anchorY: 0.5 }); // Initialize the snake's direction and speed self.direction = 'up'; self.speed = 5; self.moveHead = function (newDirection) { if (newDirection === 'up' && this.direction !== 'down') { this.direction = 'up'; } else if (newDirection === 'down' && this.direction !== 'up') { this.direction = 'down'; } else if (newDirection === 'left' && this.direction !== 'right') { this.direction = 'left'; } else if (newDirection === 'right' && this.direction !== 'left') { this.direction = 'right'; } }; }); /**** * Initialize Game ****/ // var game = new LK.Game({ backgroundColor: 0x000000 //Init game with black background }); /**** * Game Code ****/ // Add a background to the game var background = game.addChild(LK.getAsset('newBackground', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 })); // Initialize pause button var pause = game.addChild(new Pause()); // Position the pause button a little to the left from the top right corner of the game pause.x = 2048 - pause.width; pause.y = 50; // Move the pause button a little down var snake = game.addChild(new Snake()); snake.body = []; // Position the snake at the center of the game snake.x = 2048 / 2; snake.y = 2732 / 2; // Initialize food var food = game.addChild(new Food()); // Position the food at a random location within the game food.x = Math.random() * 2048; food.y = Math.random() * 2732; // Initialize poison var bonusFood = game.addChild(new BonusFood()); // Hide the bonus food when the game starts bonusFood.x = -100; bonusFood.y = -100; var poison = game.addChild(new Poison()); // Initialize life var life = game.addChild(new Life()); // Hide the life when the game starts life.x = -100; life.y = -100; // Hide the poison when the game starts poison.x = -100; poison.y = -100; game.update = function () { if (game.paused) { return; } // Update the snake's position based on its direction and speed if (snake.direction === 'up') { snake.y -= snake.speed * 2.25; } else if (snake.direction === 'down') { snake.y += snake.speed * 2.25; } else if (snake.direction === 'left') { snake.x -= snake.speed * 2.25; } else if (snake.direction === 'right') { snake.x += snake.speed * 2.25; } // Update the position of the body parts to follow the head for (var i = snake.body.length - 1; i > 0; i--) { snake.body[i].x = snake.body[i - 1].x; snake.body[i].y = snake.body[i - 1].y; } if (snake.body.length > 0) { snake.body[0].x = snake.x; snake.body[0].y = snake.y; } // Check if the snake's head intersects with the food if (snake.intersects(food)) { // Increase the score score += 10; // Update the score text scoreTxt.setText('Score: ' + score); // Increase the food consumed count foodConsumed += 1; // Add a new body part to the snake var newBodyPart = new BodyPart(); if (snake.body.length === 0) { // Add the first body part to the edge of the head if (snake.direction === 'up') { newBodyPart.x = snake.x; newBodyPart.y = snake.y + snake.height; } else if (snake.direction === 'down') { newBodyPart.x = snake.x; newBodyPart.y = snake.y - snake.height; } else if (snake.direction === 'left') { newBodyPart.x = snake.x + snake.width; newBodyPart.y = snake.y; } else if (snake.direction === 'right') { newBodyPart.x = snake.x - snake.width; newBodyPart.y = snake.y; } } else { // Add subsequent body parts to the edge of the last body part var lastBodyPart = snake.body[snake.body.length - 1]; if (snake.direction === 'up') { newBodyPart.x = lastBodyPart.x; newBodyPart.y = lastBodyPart.y + lastBodyPart.height; } else if (snake.direction === 'down') { newBodyPart.x = lastBodyPart.x; newBodyPart.y = lastBodyPart.y - lastBodyPart.height; } else if (snake.direction === 'left') { newBodyPart.x = lastBodyPart.x + lastBodyPart.width; newBodyPart.y = lastBodyPart.y; } else if (snake.direction === 'right') { newBodyPart.x = lastBodyPart.x - lastBodyPart.width; newBodyPart.y = lastBodyPart.y; } } snake.body.push(newBodyPart); game.addChild(newBodyPart); // Check if it's time to show the bonus food if (score % 150 === 0) { // Position the bonus food at a new random location within the game, ensuring it does not appear on the border do { bonusFood.x = Math.random() * (2048 - bonusFood.width) + bonusFood.width / 2; bonusFood.y = Math.random() * (2732 - bonusFood.height) + bonusFood.height / 2; } while ((bonusFood.x < 100 || bonusFood.x > 1948) && (bonusFood.y < 100 || bonusFood.y > 2632)); // Show the bonus food for 8 seconds LK.setTimeout(function () { bonusFood.x = -100; bonusFood.y = -100; }, 8000); } // Check if it's time to show the life if (score !== 0 && score % 100 === 0 && score != previousScore) { previousScore = score; // Position the life at a new random location within the game, ensuring it does not appear on the border do { life.x = Math.random() * (2048 - life.width) + life.width / 2; life.y = Math.random() * (2732 - life.height) + life.height / 2; } while ((life.x < 100 || life.x > 1948) && (life.y < 100 || life.y > 2632)); // Show the life for 10 seconds LK.setTimeout(function () { life.x = -100; life.y = -100; }, 10000); } // Check if it's time to show the poison if (foodConsumed === 8 && !poisonGenerated) { // Position the poison at a new random location within the game, ensuring it does not appear on the border do { poison.x = Math.random() * (2048 - poison.width) + poison.width / 2; poison.y = Math.random() * (2732 - poison.height) + poison.height / 2; } while ((poison.x < 100 || poison.x > 1948) && (poison.y < 100 || poison.y > 2632)); // Show the poison for 8 seconds LK.setTimeout(function () { poison.x = -100; poison.y = -100; }, 8000); poisonGenerated = true; foodConsumed = 0; // Reset the food consumed count after generating poison } // Position the food at a new random location within the game, ensuring it does not appear on the border do { food.x = Math.random() * (2048 - food.width) + food.width / 2; food.y = Math.random() * (2732 - food.height) + food.height / 2; } while ((food.x < 100 || food.x > 1948) && (food.y < 100 || food.y > 2632)); } // Check if the snake's head intersects with the bonus food if (snake.intersects(bonusFood)) { // Increase the score by 50 score += 50; // Update the score text scoreTxt.setText('Score: ' + score); // Play the bonus food sound LK.getSound('bonusfood').play(); // Hide the bonus food bonusFood.x = -100; bonusFood.y = -100; } // Check if the snake's head intersects with the life if (snake.intersects(life)) { // Increase the lives by 1, up to a maximum of 8 if (lives < 8) { lives += 1; // Update the lives text livesTxt.setText('Lives: ' + lives); // Play the life sound LK.getSound('life').play(); } // Hide the life life.x = -100; life.y = -100; } // Check if the snake's head intersects with the poison if (snake.intersects(poison)) { // Decrease the lives lives -= 1; // Update the lives text livesTxt.setText('Lives: ' + lives); // Play the poison sound LK.getSound('poison').play(); // Hide the poison poison.x = -100; poison.y = -100; // Reset the food consumed count after consuming poison foodConsumed = 0; // Check if the lives have hit 0 if (lives === 0) { // Show game over LK.getSound('GameOver').play(); LK.showGameOver(); } } // Check if the snake's head has moved out of the screen if (snake.x < 0) { snake.x = 2048; } else if (snake.x > 2048) { snake.x = 0; } else if (snake.y < 0) { snake.y = 2732; } else if (snake.y > 2732) { snake.y = 0; } }; // Initialize lives, score, food consumed and poison generated var lives = 3; var score = 0; var previousScore = 0; var foodConsumed = 0; var poisonGenerated = false; // Create lives text var livesTxt = new Text2('Lives: ' + lives, { size: 32, fill: "#ffffff" }); livesTxt.anchor.set(0, 0); LK.gui.topLeft.addChild(livesTxt); // Create score text var scoreTxt = new Text2('Score: ' + score, { size: 32, fill: "#ffffff" }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); game.down = function (x, y, obj) { if (game.paused) { return; } // Change the snake's direction to always move in the direction of the front area of the snake head which is not connected to the snake body if (x > snake.x && snake.direction !== 'left' && snake.direction !== 'right') { snake.moveHead('right'); } else if (x < snake.x && snake.direction !== 'right' && snake.direction !== 'left') { snake.moveHead('left'); } else if (y > snake.y && snake.direction !== 'up' && snake.direction !== 'down') { snake.moveHead('down'); } else if (y < snake.y && snake.direction !== 'down' && snake.direction !== 'up') { snake.moveHead('up'); } };