/**** * Classes ****/ var Car = Container.expand(function () { var self = Container.call(this); self.projectMovement = function (vector) { var angle = -Math.PI / 4; var cosAngle = Math.cos(angle); var sinAngle = Math.sin(angle); return { x: vector.x * cosAngle - vector.y * sinAngle, y: vector.x * sinAngle + vector.y * cosAngle }; }; var carGraphics = self.attachAsset('car', { anchorX: 0.5, anchorY: 0.5 }); self.ORIGINAL_SPEED = 2; self.speed = self.ORIGINAL_SPEED; self.direction = 0; self.momentum = { x: 0, y: 0 }; self._move_migrated = function () { var momentumModifier = 0.1; self.speed *= 1.01; if (self.direction === 0) { self.momentum.x += self.speed * momentumModifier; } else { self.momentum.y -= self.speed * momentumModifier; } var projectedMovement = self.projectMovement(self.momentum); self.x += projectedMovement.x; self.y += projectedMovement.y; var nonTravelMomentum; if (self.direction === 0) { self.momentum.x *= 0.98; self.momentum.y *= 0.95; nonTravelMomentum = self.momentum.y; } else { self.momentum.x *= 0.95; self.momentum.y *= 0.98; nonTravelMomentum = self.momentum.x; } self.nonTravelMomentum = nonTravelMomentum; }; self.changeDirection = function () { self.direction = self.direction === 0 ? 1 : 0; self.speed = self.ORIGINAL_SPEED; carGraphics.scale.x *= -1; LK.getSound('Skid').play(); }; }); var Coin = Container.expand(function () { var self = Container.call(this); var coinGraphics = self.attachAsset('Coin', { anchorX: 0.5, anchorY: 0.5 }); self.collected = false; return self; }); var Driver = Container.expand(function () { var self = Container.call(this); self.x = +1500; self.y = +1500; var driverGraphics = self.attachAsset('driver', { anchorX: 0.5, anchorY: 0.5 }); }); var Particle = Container.expand(function () { var self = Container.call(this); var particleGraphics = self.attachAsset('particle', { anchorX: 0.5, anchorY: 0.5 }); particleGraphics.rotation = Math.PI / 4; self.lifetime = 100; self.tick = function () { if (--self.lifetime <= 0) { self.destroy(); } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ game.calculateDistanceToPoint = function (point, segmentStart, segmentEnd) { var A = point.x - segmentStart.x; var B = point.y - segmentStart.y; var C = segmentEnd.x - segmentStart.x; var D = segmentEnd.y - segmentStart.y; var dot = A * C + B * D; var len_sq = C * C + D * D; var param = -1; if (len_sq != 0) { param = dot / len_sq; } var xx, yy; if (param < 0) { xx = segmentStart.x; yy = segmentStart.y; } else if (param > 1) { xx = segmentEnd.x; yy = segmentEnd.y; } else { xx = segmentStart.x + param * C; yy = segmentStart.y + param * D; } var dx = point.x - xx; var dy = point.y - yy; return Math.sqrt(dx * dx + dy * dy); }; game.addRoadSegment = function () { var lastSegment = roadSegments[roadSegments.length - 1]; zigzag = !zigzag; var segment = roadContainer.attachAsset('roadSegment', { anchorX: 0.5 }); segment.width = segmentWidth; segmentWidth = Math.max(350, segmentWidth - 15); segment.height = i === 1 ? 3000 : Math.floor(Math.random() * (4000 - 1200 + 1)) + 1200; segment.rotation = zigzag ? -Math.PI - Math.PI / 4 : -Math.PI + Math.PI / 4; segment.y = currentY; segment.x = currentX; var adjustedHeight = segment.height - segmentWidth / 2; currentY += adjustedHeight * Math.cos(segment.rotation); currentX -= adjustedHeight * Math.sin(segment.rotation); segment.shadow = roadContainer.attachAsset('roadSegmentShadow', { anchorX: 0.5 }); segment.shadow.width = segment.width; segment.shadow.height = segment.height; segment.shadow.rotation = segment.rotation; segment.shadow.x = segment.x; segment.shadow.y = segment.y + 50; segment.shadow.alpha = 1; segment.used = false; roadSegments.push(segment); roadContainer.addChildAt(segment.shadow, 0); roadContainer.addChild(segment); // After adding a new segment, respawn coins if (typeof spawnCoins === "function") { spawnCoins(); } }; game.setBackgroundColor(0xc39977); var particles = []; LK.playMusic('backgroundMusic'); var mainContainer = game.addChild(new Container()); var roadContainer = mainContainer.addChild(new Container()); var roadSegments = []; var coins = []; var segmentLength = Math.floor(Math.random() * (1000 - 200 + 1)) + 200; var segmentWidth = 1200; var currentX = 2048 / 2; var currentY = 2732 / 2; var zigzag = true; for (var i = 1; i <= 15; i++) { game.addRoadSegment(); } // Spawns coins on random road segments function spawnCoins() { // Remove existing coins for (var i = 0; i < coins.length; i++) { coins[i].destroy(); } coins = []; // Place a coin on every segment, including the first for (var i = 0; i < roadSegments.length; i++) { var segment = roadSegments[i]; // Place coin at the center of the segment var coin = new Coin(); coin.x = segment.x; coin.y = segment.y; mainContainer.addChild(coin); coins.push(coin); } } spawnCoins(); var scoreText = new Text2('0', { size: 150, fill: 0xFFFFFF, weight: '800', dropShadow: true, dropShadowColor: '#373330', dropShadowBlur: 4, dropShadowAngle: Math.PI / 6, dropShadowDistance: 6 }); scoreText.anchor.set(0, 0); LK.gui.top.addChild(scoreText); var car = mainContainer.addChild(new Car()); car.x = 2048 / 2; car.y = 2732 / 2; var driver = LK.gui.addChild(new Driver()); driver.x = 250; driver.y = 1800; var isGameOver = false; var score = 0; var closestSegment = null; game.on('down', function (x, y, obj) { car.changeDirection(); }); LK.on('tick', function () { car._move_migrated(); var carIsOnRoad = false; var carPosition = { x: car.x, y: car.y }; var currentClosestSegment = null; var currentClosestDistance = Infinity; roadSegments.forEach(function (segment) { var segmentStart = { x: segment.x + Math.sin(segment.rotation) * 100, y: segment.y - Math.cos(segment.rotation) * 100 }; var segmentEnd = { x: segment.x - Math.sin(segment.rotation) * (segment.height - segment.width / 2), y: segment.y + Math.cos(segment.rotation) * (segment.height - segment.width / 2) }; var distance = game.calculateDistanceToPoint(carPosition, segmentStart, segmentEnd); if (distance < currentClosestDistance) { currentClosestDistance = distance; currentClosestSegment = segment; } if (distance < segment.width / 2 - 50) { carIsOnRoad = true; } }); // Coin collection logic for (var i = coins.length - 1; i >= 0; i--) { var coin = coins[i]; // Only allow coin collection if car is close to the center of the road segment (no 'ender pearling') var canCollect = false; for (var j = 0; j < roadSegments.length; j++) { var segment = roadSegments[j]; // Check if this coin is on this segment (by position) if (Math.abs(coin.x - segment.x) < 10 && Math.abs(coin.y - segment.y) < 10) { // Calculate distance from car to center of segment var dx = car.x - segment.x; var dy = car.y - segment.y; var dist = Math.sqrt(dx * dx + dy * dy); // Only allow collection if car is within 0.15 * segment.width of the center (stricter, no 'ender pearling') if (dist < segment.width * 0.15) { canCollect = true; } break; } } if (!coin.collected && car.intersects(coin) && canCollect) { coin.collected = true; coin.destroy(); coins.splice(i, 1); score++; scoreText.setText(score.toString()); } } if (closestSegment !== currentClosestSegment && !currentClosestSegment.used) { closestSegment = currentClosestSegment; closestSegment.used = true; score++; car.ORIGINAL_SPEED += 0.1; scoreText.setText(score.toString()); } if (!carIsOnRoad) { LK.showGameOver(); } else {} var particleOffsets = [{ x: 20, y: 140 }, { x: 20 + 100, y: 140 - 100 }, { x: 20 - 150, y: 140 - 150 }, { x: 20 - 150 + 100, y: 140 - 150 - 100 }]; for (var i = 0; i < particleOffsets.length; i++) { var alphaValue = Math.max(0, Math.min(1, Math.abs(car.nonTravelMomentum) / 5 - 0.5)); if (alphaValue > 0) { var particle = new Particle(); particle.alpha = alphaValue; var noiseX = (Math.random() - 0.5) * 10; var noiseY = (Math.random() - 0.5) * 10; particle.x = car.x + (car.direction === 0 ? -1 : 1) * particleOffsets[i].x + noiseX; particle.y = car.y + particleOffsets[i].y + noiseY; mainContainer.addChildAt(particle, 1); particles.push(particle); } } particles.forEach(function (particle, index) { particle.tick(); if (particle.lifetime <= 0) { particles.splice(index, 1); } }); var carLocalPosition = game.toLocal(car.position, car.parent); var offsetX = (2048 / 2 - carLocalPosition.x) / 20; var offsetY = (2732 - 450 - carLocalPosition.y) / 20; mainContainer.x += offsetX; mainContainer.y += offsetY; for (var i = roadSegments.length - 1; i >= 0; i--) { var segmentGlobalPosition = game.toLocal(roadSegments[i].position, roadSegments[i].parent); if (segmentGlobalPosition.y - roadSegments[i].height > 2732 * 2) { roadSegments[i].shadow.destroy(); roadSegments[i].destroy(); roadSegments.splice(i, 1); game.addRoadSegment(); } } });