/**** * Classes ****/ var FingerIndicator = Container.expand(function () { var self = Container.call(this); var fingerIndicatorGraphics = self.attachAsset('fingerIndicator', { anchorX: 0.5, anchorY: 0.5 }); fingerIndicatorGraphics.alpha = .8; }); var Food = Container.expand(function () { var self = Container.call(this); var foodGraphics = self.attachAsset('food', { anchorX: 0.5, anchorY: 0.5 }); self.spawn = function () { this.x = Math.random() * (2048 - 60) + 30; this.y = Math.random() * (2732 - 60) + 30; }; }); var Snake = Container.expand(function () { var self = Container.call(this); var snakeGraphics = self.attachAsset('snake', { anchorX: 0.5, anchorY: 0.5 }); snakeGraphics.rotation = -Math.PI / 2; self.direction = { x: 0, y: 0 }; self.speed = 7.5; self.angle = 0; self.headPositions = []; self.bodySegments = []; self.addBodySegment = function () { var segment = new SnakeBodySegment(); var lastSegmentPosition = this.bodySegments.length > 0 ? this.bodySegments[this.bodySegments.length - 1] : this; segment.x = lastSegmentPosition.x; segment.y = lastSegmentPosition.y; segment.rotation = lastSegmentPosition.rotation; this.bodySegments.push(segment); return segment; }; self.move = function () { var targetRotation = Math.atan2(self.direction.y, self.direction.x); var rotationDifference = targetRotation - self.rotation; while (rotationDifference < -Math.PI) { rotationDifference += 2 * Math.PI; } while (rotationDifference > Math.PI) { rotationDifference -= 2 * Math.PI; } var turnRate = Math.PI / 96 * 1.625; self.rotation += Math.sign(rotationDifference) * Math.min(Math.abs(rotationDifference), turnRate); self.x = self.x + Math.cos(self.rotation) * self.speed; self.y = self.y + Math.sin(self.rotation) * self.speed; if (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) { LK.showGameOver(); } var thresholdDistance = 50; for (var i = 1; i < self.bodySegments.length; i++) { var dx = self.x - self.bodySegments[i].x; var dy = self.y - self.bodySegments[i].y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < thresholdDistance) { LK.showGameOver(); } } self.headPositions.push({ x: self.x, y: self.y, rotation: self.rotation }); var tailSegmentDelay = 20; while (self.headPositions.length > self.bodySegments.length * tailSegmentDelay + 1) { self.headPositions.shift(); } for (var i = 0; i < self.bodySegments.length; i++) { var segmentIndex = (i + 1) * tailSegmentDelay; if (self.headPositions.length > segmentIndex) { var pos = self.headPositions[self.headPositions.length - 1 - segmentIndex]; self.bodySegments[i].x = pos.x; self.bodySegments[i].y = pos.y; self.bodySegments[i].rotation = pos.rotation; } } }; }); var Snake2 = Container.expand(function () { var self = Container.call(this); var snakeGraphics = self.attachAsset('snake', { anchorX: 0.5, anchorY: 0.5 }); snakeGraphics.rotation = -Math.PI / 2; self.direction = { x: 0, y: 0 }; self.speed = 7.5; self.angle = 0; self.headPositions = []; self.bodySegments = []; self.addBodySegment = function () { var segment = new SnakeBodySegment(); var lastSegmentPosition = this.bodySegments.length > 0 ? this.bodySegments[this.bodySegments.length - 1] : this; segment.x = lastSegmentPosition.x; segment.y = lastSegmentPosition.y; segment.rotation = lastSegmentPosition.rotation; this.bodySegments.push(segment); return segment; }; self.move = function () { var targetRotation = Math.atan2(self.direction.y, self.direction.x); var rotationDifference = targetRotation - self.rotation; while (rotationDifference < -Math.PI) { rotationDifference += 2 * Math.PI; } while (rotationDifference > Math.PI) { rotationDifference -= 2 * Math.PI; } var turnRate = Math.PI / 96 * 1.625; self.rotation += Math.sign(rotationDifference) * Math.min(Math.abs(rotationDifference), turnRate); self.x = self.x + Math.cos(self.rotation) * self.speed; self.y = self.y + Math.sin(self.rotation) * self.speed; if (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) { LK.showGameOver(); } var thresholdDistance = 50; for (var i = 1; i < self.bodySegments.length; i++) { var dx = self.x - self.bodySegments[i].x; var dy = self.y - self.bodySegments[i].y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < thresholdDistance) { LK.showGameOver(); } } self.headPositions.push({ x: self.x, y: self.y, rotation: self.rotation }); var tailSegmentDelay = 20; while (self.headPositions.length > self.bodySegments.length * tailSegmentDelay + 1) { self.headPositions.shift(); } for (var i = 0; i < self.bodySegments.length; i++) { var segmentIndex = (i + 1) * tailSegmentDelay; if (self.headPositions.length > segmentIndex) { var pos = self.headPositions[self.headPositions.length - 1 - segmentIndex]; self.bodySegments[i].x = pos.x; self.bodySegments[i].y = pos.y; self.bodySegments[i].rotation = pos.rotation; } } }; }); var SnakeBodySegment = Container.expand(function () { var self = Container.call(this); var bodySegmentGraphics = self.attachAsset('snakeBodySegment', { anchorX: 0.5, anchorY: 0.5 }); bodySegmentGraphics.rotation = Math.PI / 2; bodySegmentGraphics.tint = 0xff0000; }); var TouchIndicator = Container.expand(function () { var self = Container.call(this); var touchIndicatorGraphics = self.attachAsset('touchIndicator', { anchorX: 0.5, anchorY: 0.5 }); touchIndicatorGraphics.alpha = .4; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ game.on('up', function (obj) { if (touchIndicator) { touchIndicator.destroy(); touchIndicator = null; } isMouseDown = false; if (fingerIndicator) { fingerIndicator.destroy(); fingerIndicator = null; } snake.direction.x = Math.cos(snake.rotation) * snake.speed; snake.direction.y = Math.sin(snake.rotation) * snake.speed; }); var score = 0; var background = game.attachAsset('background', { anchorX: 0.5, anchorY: 0.5 }); background.x = 2048 / 2; background.y = 2732 / 2; background.alpha = .5; game.setBackgroundColor(0xFFFFFF); var snakeContainer = game.addChild(new Container()); var snake = snakeContainer.addChild(new Snake()); var snake2 = snakeContainer.addChild(new Snake2()); var scoreTxt = new Text2('0', { size: 150, fill: '#ffffff', font: 'Impact', dropShadow: true, dropShadowColor: '#000000', dropShadowBlur: 4, dropShadowAngle: Math.PI / 6, dropShadowDistance: 6 }); scoreTxt.anchor.set(.5, 0); LK.gui.top.addChild(scoreTxt); var foods = []; snake.x = 2048 / 2; snake.y = 2732 / 2; var food = new Food(); food.spawn(); foods.push(food); game.addChild(food); var dragNode = null; var initialTouchPosition = { x: 0, y: 0 }; var touchIndicator = null; var fingerIndicator = null; var isMouseDown = false; var maxDistance = 200; game.on('down', function (obj) { var event = obj.event; initialTouchPosition = event.getLocalPosition(game); if (touchIndicator) { touchIndicator.destroy(); } if (fingerIndicator) { fingerIndicator.destroy(); } touchIndicator = game.addChild(new TouchIndicator()); touchIndicator.x = initialTouchPosition.x; touchIndicator.y = initialTouchPosition.y; fingerIndicator = game.addChild(new FingerIndicator()); fingerIndicator.x = initialTouchPosition.x; fingerIndicator.y = initialTouchPosition.y; isMouseDown = true; }); function handleMove(obj) { var event = obj.event; var currentTouchPosition = event.getLocalPosition(game); var dx = currentTouchPosition.x - initialTouchPosition.x; var dy = currentTouchPosition.y - initialTouchPosition.y; var distance = Math.sqrt(dx * dx + dy * dy) * 0.7; if (distance > maxDistance) { var angle = Math.atan2(dy, dx); dx = maxDistance * Math.cos(angle); dy = maxDistance * Math.sin(angle); } if (fingerIndicator) { fingerIndicator.x = initialTouchPosition.x + dx; fingerIndicator.y = initialTouchPosition.y + dy; } if (isMouseDown) { // Determine which snake is closer to the initial touch position and set direction for that snake var distanceToSnake1 = Math.sqrt(Math.pow(snake.x - initialTouchPosition.x, 2) + Math.pow(snake.y - initialTouchPosition.y, 2)); var distanceToSnake2 = Math.sqrt(Math.pow(snake2.x - initialTouchPosition.x, 2) + Math.pow(snake2.y - initialTouchPosition.y, 2)); if (distanceToSnake1 < distanceToSnake2) { snake.direction.x = dx; snake.direction.y = dy; } else { snake2.direction.x = dx; snake2.direction.y = dy; } } } game.on('move', handleMove); LK.on('tick', function () { snake.move(); snake2.move(); for (var i = 0; i < foods.length; i++) { var snakeHeadRadius = snake.width / 2; var foodRadius = foods[i].width / 2; var dx = snake.x - foods[i].x; var dy = snake.y - foods[i].y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < snakeHeadRadius + foodRadius) { foods[i].destroy(); foods.splice(i, 1); score++; LK.setScore(score); scoreTxt.setText(LK.getScore()); var newSegment = snake.addBodySegment(); snakeContainer.addChildAt(newSegment, 0); var newFood = new Food(); newFood.spawn(); foods.push(newFood); game.addChild(newFood); } } });

Chain Snake by Daniel Fedotov

Remix of Chain Snake

Remix of

Images