/**** * Classes ****/ // Food class for items the snake can eat var Food = Container.expand(function () { var self = Container.call(this); var foodGraphics = self.attachAsset('food', { anchorX: 0.5, anchorY: 0.5 }); // Randomly position the food on the screen self.randomizePosition = function () { var lastPosition = { x: self.x, y: self.y }; do { self.x = Math.floor(Math.random() * (game.width - 24 * self.width)) + game.x + 12 * self.width; self.y = Math.floor(Math.random() * (game.height - 24 * self.height)) + game.y + 12 * self.height; } while (!game.intersects(self) || self.y < game.y + game.height / 2 || Math.abs(self.x - lastPosition.x) < 200 && Math.abs(self.y - lastPosition.y) < 200); }; return self; }); // Food Counter class for displaying the number of food items consumed var FoodCounter = Container.expand(function () { var self = Container.call(this); var counter = 0; var counterText = new Text2(counter.toString(), { size: 150, fill: 0x000000 }); counterText.anchor.set(0.5, 0); self.addChild(counterText); self.updateCounter = function (newCount) { counter = newCount; counterText.setText(counter.toString()); }; self.update = function () { counterText.x = 2048 / 2; counterText.y = 2732 / 2 - 1000; }; return self; }); // // // Snake class for both player and computer-controlled snakes var Snake = Container.expand(function () { var self = Container.call(this); self.segments = []; self.direction = { x: 1, y: 0 }; // Initial direction to the right self.speed = 1.25; // Speed of the snake // Initialize snake with a given length self.init = function (length, startX, startY) { for (var i = 0; i < length; i++) { var segment = self.attachAsset('snakeSegment', { anchorX: 0.5, anchorY: 0.5, x: startX - i * 20, y: startY }); segment.lastX = segment.x; segment.lastY = segment.y; self.segments.push(segment); } }; // Update snake position self.update = function () { // Store the previous position of the head if (self.lastX === undefined) { self.lastX = self.segments[0].x; } if (self.lastY === undefined) { self.lastY = self.segments[0].y; } var prevX = self.lastX; var prevY = self.lastY; self.lastX = self.segments[0].x; self.lastY = self.segments[0].y; // Move the head in the current direction self.segments[0].x += self.direction.x * self.speed; self.segments[0].y += self.direction.y * self.speed; // Move each segment to the position of the previous one for (var i = 1; i < self.segments.length; i++) { var tempX = self.segments[i].x; var tempY = self.segments[i].y; self.segments[i].x = Math.max(0, Math.min(2048, prevX)); self.segments[i].y = Math.max(0, Math.min(2732, prevY)); self.segments[i].lastX = self.segments[i].x; self.segments[i].lastY = self.segments[i].y; prevX = tempX; prevY = tempY; } // Check if the last segment is off the screen var lastSegment = self.segments[self.segments.length - 1]; if (lastSegment.x < 0 || lastSegment.x > 2048 || lastSegment.y < 0 || lastSegment.y > 2732) { lastSegment.x = Math.max(0, Math.min(2048, lastSegment.x)); // Ensure x is within bounds lastSegment.y = Math.max(0, Math.min(2732, lastSegment.y)); // Ensure y is within bounds // Remove the last segment from the snake and return it to the pool self.segmentPool.push(self.segments.pop()); } }; // Initialize an object pool for the snake segments self.segmentPool = []; // Grow the snake by adding a new segment self.grow = function () { var lastSegment = self.segments[self.segments.length - 1]; var newSegment; // Check if there are any segments in the pool if (self.segmentPool.length > 0) { // Reuse a segment from the pool newSegment = self.segmentPool.pop(); newSegment.x = Math.max(0, Math.min(2048, lastSegment.x)); newSegment.y = Math.max(0, Math.min(2732, lastSegment.y)); } else { // Create a new segment newSegment = self.attachAsset('snakeSegment', { anchorX: 0.5, anchorY: 0.5, x: lastSegment.x, y: lastSegment.y }); } self.segments.push(newSegment); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 //Change background color to black }); /**** * Game Code ****/ // Initialize screen var screen = game.attachAsset('screen', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 - 200, color: 0x8FBC8F // Beige green color }); game.addChild(screen); // Initialize phone var phone = game.attachAsset('phone', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 + 900 }); game.addChild(phone); // Initialize transparent square var fence = game.attachAsset('fence', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 - 200 }); game.addChild(fence); // Define fence coordinates var fenceCoordinates = { topLeft: { x: fence.x - fence.width / 2, y: fence.y - fence.height / 2 }, topRight: { x: fence.x + fence.width / 2, y: fence.y - fence.height / 2 }, bottomLeft: { x: fence.x - fence.width / 2, y: fence.y + fence.height / 2 }, bottomRight: { x: fence.x + fence.width / 2, y: fence.y + fence.height / 2 } }; // Initialize player snake var playerSnake = new Snake(); playerSnake.init(5, fence.x, fence.y); game.addChild(playerSnake); // Initialize food var food = new Food(); food.x = fence.x; food.y = fence.y; game.addChild(food); // Initialize food counter var foodCounter = new FoodCounter(); foodCounter.updateCounter(0); // Start the counter from 0 game.addChild(foodCounter); // Ensure that every game start and restart contains minimum 1 food LK.on('restart', function () { food = new Food(); food.x = fence.x; food.y = fence.y; game.addChild(food); }); // Handle game updates game.update = function () { if (LK.ticks % 1 == 0) { // Update every 60Hz playerSnake.update(); // Check if player snake is at the edge of the fence for (var i = 0; i < playerSnake.segments.length; i++) { if (!fence.intersects(playerSnake.segments[i])) { // If the snake is at the right edge of the fence, load it to the left edge if (playerSnake.segments[i].x > fence.x + fence.width / 2) { playerSnake.segments[i].x = fence.x - fence.width / 2; } // If the snake is at the left edge of the fence, load it to the right edge else if (playerSnake.segments[i].x < fence.x - fence.width / 2) { playerSnake.segments[i].x = fence.x + fence.width / 2; } // If the snake is at the top edge of the fence, load it to the bottom edge else if (playerSnake.segments[i].y < fence.y - fence.height / 2) { playerSnake.segments[i].y = fence.y + fence.height / 2; } // If the snake is at the bottom edge of the fence, load it to the top edge else if (playerSnake.segments[i].y > fence.y + fence.height / 2) { playerSnake.segments[i].y = fence.y - fence.height / 2; } } } // Check for collision with food if (playerSnake.segments[0].intersects(food)) { playerSnake.grow(); food.randomizePosition(); foodCounter.updateCounter(playerSnake.segments.length - 5); // Update the food counter } } }; // Handle player input for snake direction game.down = function (x, y, obj) { var head = playerSnake.segments[0]; if (Math.abs(x - head.x) > Math.abs(y - head.y)) { if (x > head.x) { playerSnake.direction = { x: 1, y: 0 }; } else if (x < head.x) { playerSnake.direction = { x: -1, y: 0 }; } } else { if (y > head.y) { playerSnake.direction = { x: 0, y: 1 }; } else if (y < head.y) { playerSnake.direction = { x: 0, y: -1 }; } } console.log("Game was clicked at", x, y); }; ;

Classic Snake by JZU

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