/**** * Classes ****/ var F1Car = Container.expand(function () { var self = Container.call(this); var carGraphics = self.attachAsset('f1Car', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 0; self.maxSpeed = 15; self.acceleration = 0.8; self.friction = 0.9; self.boostMultiplier = 1.0; self.boostTimer = 0; self.steerDirection = 0; // -1 for left, 1 for right, 0 for straight self.steerSpeed = 6; self.rotation = 0; // Car's current rotation angle self.update = function () { // Apply friction self.speed *= self.friction; // Update boost if (self.boostTimer > 0) { self.boostTimer--; self.boostMultiplier = 1.5; carGraphics.tint = 0x00FF00; } else { self.boostMultiplier = 1.0; carGraphics.tint = 0xFFFFFF; } // Apply speed with boost self.y -= self.speed * self.boostMultiplier; // Apply steering with pressure intensity var steerIntensity = touchPressure || 1; self.x += self.steerDirection * self.steerSpeed * steerIntensity; // Update car rotation based on steering if (self.steerDirection !== 0) { var targetRotation = self.steerDirection * 0.3; // Max 0.3 radians rotation self.rotation += (targetRotation - self.rotation) * 0.1; // Smooth rotation } else { // Return to straight position when not steering self.rotation += (0 - self.rotation) * 0.1; } carGraphics.rotation = self.rotation; // Keep car on screen if (self.x < 40) self.x = 40; if (self.x > 2008) self.x = 2008; if (self.y < 100) self.y = 100; if (self.y > 2632) self.y = 2632; // Engine sound based on speed if (self.speed > 5) { LK.getSound('engine').play(); } }; self.accelerate = function (pressureMultiplier) { if (self.speed < self.maxSpeed) { var accel = self.acceleration * (pressureMultiplier || 1); self.speed += accel; } }; self.activateBoost = function () { self.boostTimer = 120; // 2 seconds at 60fps LK.getSound('boost').play(); }; return self; }); var OpponentCar = Container.expand(function () { var self = Container.call(this); var carGraphics = self.attachAsset('opponent', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 3 + Math.random() * 4; self.lastY = 0; self.update = function () { self.y += self.speed; // Slight horizontal movement for realism self.x += (Math.random() - 0.5) * 2; // Keep on track if (self.x < 200) self.x = 200; if (self.x > 1848) self.x = 1848; }; return self; }); var SpeedBoost = Container.expand(function () { var self = Container.call(this); var boostGraphics = self.attachAsset('speedBoost', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.collected = false; self.lastIntersecting = false; self.update = function () { self.y += self.speed; // Pulsing effect var pulse = Math.sin(LK.ticks * 0.2) * 0.3 + 0.7; boostGraphics.alpha = pulse; boostGraphics.rotation += 0.1; }; return self; }); /**** * Initialize Game ****/ // Create track background var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ // Create track background var trackLeft = game.addChild(LK.getAsset('track', { anchorX: 0, anchorY: 0, x: 0, y: 0 })); var trackRight = game.addChild(LK.getAsset('track', { anchorX: 0, anchorY: 0, x: 0, y: 2532 })); // Track lines for visual effect var centerLine = game.addChild(LK.getAsset('trackLine', { anchorX: 0.5, anchorY: 0, x: 1024, y: 0 })); var leftLine = game.addChild(LK.getAsset('trackLine', { anchorX: 0.5, anchorY: 0, x: 300, y: 0 })); var rightLine = game.addChild(LK.getAsset('trackLine', { anchorX: 0.5, anchorY: 0, x: 1748, y: 0 })); // Create F1 car var f1Car = game.addChild(new F1Car()); f1Car.x = 1024; f1Car.y = 2200; // Game arrays var opponents = []; var speedBoosts = []; var trackLines = [centerLine, leftLine, rightLine]; var trackSections = []; // Array to hold track sections var lastTrackY = 0; // Track the last generated track section position // Score and UI var scoreTxt = new Text2('Speed: 0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var distanceTxt = new Text2('Distance: 0m', { size: 60, fill: 0xFFFF00 }); distanceTxt.anchor.set(0, 0); distanceTxt.x = 50; distanceTxt.y = 100; LK.gui.topLeft.addChild(distanceTxt); // Position display var positionTxt = new Text2('Position: 1/20', { size: 70, fill: 0x00FF00 }); positionTxt.anchor.set(1, 0); positionTxt.x = -50; positionTxt.y = 50; LK.gui.topRight.addChild(positionTxt); // Camera display var cameraTxt = new Text2('Camera: Behind Car', { size: 50, fill: 0x00FFFF }); cameraTxt.anchor.set(1, 0); LK.gui.topRight.addChild(cameraTxt); // Camera switch button var cameraButton = new Text2('📷 SWITCH', { size: 60, fill: 0xFFFF00 }); cameraButton.anchor.set(0.5, 0); cameraButton.x = 0; cameraButton.y = 200; LK.gui.topRight.addChild(cameraButton); // Game variables var distance = 0; var gameSpeed = 1; var spawnTimer = 0; var boostSpawnTimer = 0; var trackOffset = 0; var playerPosition = 1; // Player's current position in race var totalCars = 20; // Total number of cars in race var touchPressure = 0; // How hard the screen is being pressed var isPressed = false; // Whether screen is currently being pressed // Camera system var currentCamera = 0; // 0: behind, 1: above, 2: driver's eye var cameraNames = ['Behind Car', 'Bird\'s Eye View', 'Driver View']; var cameraOffset = { x: 0, y: 0 }; var cameraZoom = 1; var cameraAngle = 0; // Touch controls - pressure-based acceleration system game.down = function (x, y, obj) { // Check if camera button was pressed (top right area) var globalPos = game.toGlobal({ x: x, y: y }); if (globalPos.x > 1800 && globalPos.y < 300) { // Switch camera currentCamera = (currentCamera + 1) % 3; cameraTxt.setText('Camera: ' + cameraNames[currentCamera]); return; } // Only allow acceleration if touching upper part of screen if (y < 1366) { // Start pressure-based acceleration isPressed = true; touchPressure = 0.1; // Initial pressure } else { // Start pressure-based steering for lower screen touches isPressed = true; touchPressure = 0.1; // Initial pressure for steering var centerX = 1024; // Center of screen if (x < centerX - 100) { f1Car.steerDirection = -1; // Steer left } else if (x > centerX + 100) { f1Car.steerDirection = 1; // Steer right } else { f1Car.steerDirection = 0; // Go straight } } }; game.move = function (x, y, obj) { // Update steering direction only for lower screen touches and if touch is held if (y >= 1366 && isPressed) { var centerX = 1024; // Center of screen if (x < centerX - 100) { f1Car.steerDirection = -1; // Steer left } else if (x > centerX + 100) { f1Car.steerDirection = 1; // Steer right } else { f1Car.steerDirection = 0; // Go straight } } }; game.up = function (x, y, obj) { // Stop pressure-based acceleration isPressed = false; touchPressure = 0; // Stop steering f1Car.steerDirection = 0; }; // Camera update function function updateCamera() { switch (currentCamera) { case 0: // Behind car camera cameraOffset.x = 0; cameraOffset.y = 300; cameraZoom = 1; cameraAngle = 0; game.scale.set(1, 1); game.rotation = 0; game.x = -f1Car.x + 1024; game.y = -f1Car.y + 2000; break; case 1: // Above car camera (bird's eye view) cameraOffset.x = 0; cameraOffset.y = 0; cameraZoom = 0.6; cameraAngle = 0; game.scale.set(cameraZoom, cameraZoom); game.rotation = 0; game.x = (-f1Car.x + 1024) * cameraZoom; game.y = (-f1Car.y + 1366) * cameraZoom; break; case 2: // Driver's eye view cameraOffset.x = 0; cameraOffset.y = -80; cameraZoom = 1.5; cameraAngle = 0; game.scale.set(cameraZoom, cameraZoom); game.rotation = 0; game.x = (-f1Car.x + 1024) * cameraZoom; game.y = (-f1Car.y + 1000) * cameraZoom; break; } } // Start race music LK.playMusic('raceMusic'); game.update = function () { // Handle pressure-based acceleration and steering if (isPressed) { // Increase pressure over time (longer press = more acceleration/steering) touchPressure = Math.min(touchPressure + 0.02, 2.0); // Max 2x acceleration f1Car.accelerate(touchPressure); } // Update distance and speed distance += f1Car.speed; gameSpeed = 1 + distance / 10000; // Calculate player position based on speed and distance var basePosition = Math.max(1, Math.min(totalCars, Math.floor(totalCars - distance / 5000 - f1Car.speed / 2))); playerPosition = basePosition; // Update camera system updateCamera(); // Update UI scoreTxt.setText('Speed: ' + Math.floor(f1Car.speed * 10) + ' km/h'); distanceTxt.setText('Distance: ' + Math.floor(distance / 10) + 'm'); positionTxt.setText('Position: ' + playerPosition + '/' + totalCars); // Animate track lines moving trackOffset += f1Car.speed * 2; for (var i = 0; i < trackLines.length; i++) { var line = trackLines[i]; line.y = trackOffset % 400 - 200; } // Generate new track sections ahead of the player while (lastTrackY < f1Car.y - 1000) { // Create new track section var newCenterLine = game.addChild(LK.getAsset('trackLine', { anchorX: 0.5, anchorY: 0, x: 1024, y: lastTrackY - 2732 })); var newLeftLine = game.addChild(LK.getAsset('trackLine', { anchorX: 0.5, anchorY: 0, x: 300, y: lastTrackY - 2732 })); var newRightLine = game.addChild(LK.getAsset('trackLine', { anchorX: 0.5, anchorY: 0, x: 1748, y: lastTrackY - 2732 })); trackSections.push({ center: newCenterLine, left: newLeftLine, right: newRightLine, y: lastTrackY - 2732 }); lastTrackY -= 2732; } // Remove old track sections that are far behind for (var i = trackSections.length - 1; i >= 0; i--) { var section = trackSections[i]; if (section.y > f1Car.y + 1000) { section.center.destroy(); section.left.destroy(); section.right.destroy(); trackSections.splice(i, 1); } } // Spawn opponents spawnTimer++; if (spawnTimer > 60 / gameSpeed) { spawnTimer = 0; var opponent = new OpponentCar(); opponent.x = 300 + Math.random() * 1448; opponent.y = -100; opponent.lastY = opponent.y; opponents.push(opponent); game.addChild(opponent); } // Spawn speed boosts boostSpawnTimer++; if (boostSpawnTimer > 300) { boostSpawnTimer = 0; var boost = new SpeedBoost(); boost.x = 400 + Math.random() * 1248; boost.y = -50; boost.lastIntersecting = false; speedBoosts.push(boost); game.addChild(boost); } // Update and check opponents for (var i = opponents.length - 1; i >= 0; i--) { var opponent = opponents[i]; // Remove off-screen opponents if (opponent.lastY < 2800 && opponent.y >= 2800) { opponent.destroy(); opponents.splice(i, 1); continue; } // Check collision with player if (f1Car.intersects(opponent)) { LK.effects.flashScreen(0xFF0000, 500); LK.showGameOver(); return; } opponent.lastY = opponent.y; } // Update and check speed boosts for (var i = speedBoosts.length - 1; i >= 0; i--) { var boost = speedBoosts[i]; // Remove off-screen boosts if (boost.y > 2800) { boost.destroy(); speedBoosts.splice(i, 1); continue; } // Check collection var currentIntersecting = f1Car.intersects(boost); if (!boost.lastIntersecting && currentIntersecting) { f1Car.activateBoost(); boost.destroy(); speedBoosts.splice(i, 1); continue; } boost.lastIntersecting = currentIntersecting; } // Win condition - reach 50km if (distance >= 500000) { LK.showYouWin(); } };