/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.attachAsset('roadLane', { anchorX: 0.5, anchorY: 0.5 }); bulletGraphics.scaleX = 0.2; bulletGraphics.scaleY = 0.3; bulletGraphics.tint = 0xffff00; self.speed = 15; self.update = function () { self.y -= self.speed; }; return self; }); var EnemyVehicle = Container.expand(function (vehicleType) { var self = Container.call(this); var assetId = vehicleType || 'enemyCar'; var vehicleGraphics = self.attachAsset(assetId, { anchorX: 0.5, anchorY: 0.5 }); self.vehicleType = vehicleType; self.speed = 8 + Math.random() * 4; // Random speed between 8-12 self.hasTriggeredNearMiss = false; // Set health based on vehicle type if (vehicleType === 'motorcycle') { self.health = 1; } else if (vehicleType === 'truck') { self.health = 5; } else { self.health = 2; // enemyCar default } self.maxHealth = self.health; self.update = function () { self.y += self.speed; }; return self; }); var PlayerCar = Container.expand(function () { var self = Container.call(this); var carGraphics = self.attachAsset('playerCar', { anchorX: 0.5, anchorY: 0.5 }); self.targetX = self.x; self.laneWidth = 340; self.lanes = [-510, -170, 170, 510]; // 4 lanes positioned across screen - same as enemy vehicles self.update = function () { // Smooth movement towards target position var diff = self.targetX - self.x; self.x += diff * 0.3; // Increased responsiveness }; self.moveTo = function (targetX) { // Find closest lane (adjusted for screen center offset like enemy vehicles) var closestLane = 1024 + self.lanes[0]; var minDistance = Math.abs(targetX - closestLane); for (var i = 1; i < self.lanes.length; i++) { var adjustedLane = 1024 + self.lanes[i]; var distance = Math.abs(targetX - adjustedLane); if (distance < minDistance) { minDistance = distance; closestLane = adjustedLane; } } self.targetX = closestLane; }; return self; }); var PoliceCar = Container.expand(function () { var self = Container.call(this); var policeGraphics = self.attachAsset('policeCar', { anchorX: 0.5, anchorY: 0.5 }); policeGraphics.tint = 0x0066ff; // Blue tint for police car self.speed = 6; self.hasPlayedSiren = false; self.update = function () { self.y += self.speed; // Play siren sound once when police car appears if (!self.hasPlayedSiren && self.y > -100) { LK.getSound('siren').play(); self.hasPlayedSiren = true; } // Clear enemy vehicles in front of police car for (var i = enemyVehicles.length - 1; i >= 0; i--) { var enemy = enemyVehicles[i]; var horizontalDistance = Math.abs(enemy.x - self.x); var verticalDistance = enemy.y - self.y; // If enemy is in front of police car and in same lane if (horizontalDistance < 100 && verticalDistance > -200 && verticalDistance < 400) { // Create explosion effect for cleared enemy tween(enemy, { scaleX: 1.5, scaleY: 1.5, tint: 0x0066ff, alpha: 0 }, { duration: 300, easing: tween.easeOut }); // Remove enemy immediately enemy.destroy(); enemyVehicles.splice(i, 1); } } }; return self; }); var RoadLane = Container.expand(function () { var self = Container.call(this); var laneGraphics = self.attachAsset('roadLane', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 12; self.update = function () { self.y += self.speed; // Reset position when off screen if (self.y > 2732 + 100) { self.y = -100; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2c3e50 }); /**** * Game Code ****/ // Game variables var playerCar; var enemyVehicles = []; var roadLanes = []; var bullets = []; var gameSpeed = 1; var distanceScore = 0; var nearMissBonus = 0; var spawnTimer = 0; var speedIncreaseTimer = 0; var dragStartX = 0; var isDragging = false; var playerHealth = 5; var shootTimer = 0; var leftButtonCooldown = false; var rightButtonCooldown = false; var leftButtonPressCount = 0; var rightButtonPressCount = 0; var policeCars = []; var policeSpawnTimer = 0; var policeSpawnCooldown = 0; function spawnPoliceCar() { // Only spawn if no police cars are currently active and cooldown is over if (policeCars.length === 0 && policeSpawnCooldown <= 0) { var lanes = [-510, -170, 170, 510]; var selectedLane = lanes[Math.floor(Math.random() * lanes.length)]; var policeCar = new PoliceCar(); policeCar.x = 1024 + selectedLane; policeCar.y = -200; policeCar.speed = (6 + Math.random() * 2) * gameSpeed; policeCars.push(policeCar); game.addChild(policeCar); // Set cooldown before next police car can spawn (30-60 seconds) policeSpawnCooldown = 1800 + Math.random() * 1800; } } // Create road lanes for (var i = 0; i < 3; i++) { var lane1 = new RoadLane(); lane1.x = -85; lane1.y = i * 300 - 200; roadLanes.push(lane1); game.addChild(lane1); var lane2 = new RoadLane(); lane2.x = 85; lane2.y = i * 300 - 200; roadLanes.push(lane2); game.addChild(lane2); var lane3 = new RoadLane(); lane3.x = 255; lane3.y = i * 300 - 200; roadLanes.push(lane3); game.addChild(lane3); } // Create player car playerCar = new PlayerCar(); playerCar.x = 1024 + 170; // Start in third lane (same lane system as enemies) playerCar.y = 2200; // Near bottom of screen playerCar.targetX = playerCar.x; game.addChild(playerCar); // Create score display var scoreTxt = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); // Create speed display var speedTxt = new Text2('Speed: 1x', { size: 60, fill: 0xFFFFFF }); speedTxt.anchor.set(1, 0); speedTxt.y = 100; LK.gui.topRight.addChild(speedTxt); // Create health display var healthTxt = new Text2('Health: ❤❤❤❤❤', { size: 60, fill: 0xff0000 }); healthTxt.anchor.set(0, 0); healthTxt.y = 100; LK.gui.topLeft.addChild(healthTxt); // Create left shoot button var leftShootButton = new Text2('🔫', { size: 130, fill: 0xffff00 }); leftShootButton.anchor.set(0, 1); leftShootButton.x = 50; leftShootButton.y = -50; LK.gui.bottomLeft.addChild(leftShootButton); // Create right shoot button var rightShootButton = new Text2('🔫', { size: 130, fill: 0xffff00 }); rightShootButton.anchor.set(1, 1); rightShootButton.x = -50; rightShootButton.y = -50; LK.gui.bottomRight.addChild(rightShootButton); function spawnEnemyVehicle() { var vehicleTypes = ['enemyCar', 'truck', 'motorcycle']; var lanes = [-510, -170, 170, 510]; // Spawn 1-3 vehicles at once with higher probability of multiple spawns var numVehicles = Math.random() < 0.7 ? Math.random() < 0.4 ? 3 : 2 : 1; var usedLanes = []; for (var v = 0; v < numVehicles; v++) { var randomType = vehicleTypes[Math.floor(Math.random() * vehicleTypes.length)]; var enemy = new EnemyVehicle(randomType); // Select random lane that hasn't been used var availableLanes = lanes.filter(function (lane) { return usedLanes.indexOf(lane) === -1; }); if (availableLanes.length > 0) { var selectedLane = availableLanes[Math.floor(Math.random() * availableLanes.length)]; usedLanes.push(selectedLane); enemy.x = 1024 + selectedLane; enemy.y = -200 - v * 150; // Stagger spawn positions slightly // Adjust speed based on game speed with more variation enemy.speed = (8 + Math.random() * 6) * gameSpeed; enemyVehicles.push(enemy); game.addChild(enemy); } } } function checkCollisions() { // Check enemy-to-enemy collisions first for (var i = enemyVehicles.length - 1; i >= 0; i--) { var enemy1 = enemyVehicles[i]; for (var j = i - 1; j >= 0; j--) { var enemy2 = enemyVehicles[j]; if (enemy1.intersects(enemy2)) { // Create explosion effect tween(enemy1, { scaleX: 2, scaleY: 2, tint: 0xff4444, alpha: 0 }, { duration: 300, easing: tween.easeOut }); tween(enemy2, { scaleX: 2, scaleY: 2, tint: 0xff4444, alpha: 0 }, { duration: 300, easing: tween.easeOut }); // Damage nearby vehicles for (var k = enemyVehicles.length - 1; k >= 0; k--) { var nearbyEnemy = enemyVehicles[k]; if (nearbyEnemy !== enemy1 && nearbyEnemy !== enemy2) { var distance1 = Math.sqrt(Math.pow(nearbyEnemy.x - enemy1.x, 2) + Math.pow(nearbyEnemy.y - enemy1.y, 2)); var distance2 = Math.sqrt(Math.pow(nearbyEnemy.x - enemy2.x, 2) + Math.pow(nearbyEnemy.y - enemy2.y, 2)); if (distance1 < 200 || distance2 < 200) { tween(nearbyEnemy, { tint: 0xff8888 }, { duration: 200, onFinish: function onFinish() { tween(nearbyEnemy, { tint: 0xffffff }, { duration: 200 }); } }); nearbyEnemy.speed *= 0.7; // Slow down damaged vehicle } } } LK.getSound('crash').play(); LK.effects.flashObject(enemy1, 0xff0000, 300); LK.effects.flashObject(enemy2, 0xff0000, 300); // Remove collided vehicles after animation LK.setTimeout(function () { enemy1.destroy(); enemy2.destroy(); var index1 = enemyVehicles.indexOf(enemy1); var index2 = enemyVehicles.indexOf(enemy2); if (index1 !== -1) { enemyVehicles.splice(index1, 1); } if (index2 !== -1) { var newIndex2 = enemyVehicles.indexOf(enemy2); if (newIndex2 !== -1) { enemyVehicles.splice(newIndex2, 1); } } }, 300); return; } } } for (var i = enemyVehicles.length - 1; i >= 0; i--) { var enemy = enemyVehicles[i]; // Check collision with player if (playerCar.intersects(enemy)) { playerHealth--; updateHealthDisplay(); LK.getSound('crash').play(); LK.effects.flashScreen(0xff0000, 500); // Remove enemy that hit player enemy.destroy(); enemyVehicles.splice(i, 1); if (playerHealth <= 0) { LK.showGameOver(); return; } } // Check for near miss bonus var distance = Math.abs(enemy.x - playerCar.x); var verticalDistance = Math.abs(enemy.y - playerCar.y); if (!enemy.hasTriggeredNearMiss && distance < 150 && verticalDistance < 200 && enemy.y > playerCar.y - 100) { enemy.hasTriggeredNearMiss = true; nearMissBonus += 10; LK.getSound('nearMiss').play(); // Flash effect for near miss tween(enemy, { tint: 0xffff00 }, { duration: 200, onFinish: function onFinish() { tween(enemy, { tint: 0xffffff }, { duration: 200 }); } }); } // Remove off-screen enemies if (enemy.y > 2732 + 200) { enemy.destroy(); enemyVehicles.splice(i, 1); } } } function updateScore() { distanceScore += 1; var totalScore = distanceScore + nearMissBonus; LK.setScore(totalScore); scoreTxt.setText('Score: ' + totalScore); } function updateHealthDisplay() { var hearts = ''; for (var i = 0; i < playerHealth; i++) { hearts += '❤'; } for (var i = playerHealth; i < 5; i++) { hearts += '🤍'; } healthTxt.setText('Health: ' + hearts); } function increaseGameSpeed() { gameSpeed += 0.002; if (gameSpeed > 3) { gameSpeed = 3; } speedTxt.setText('Speed: ' + gameSpeed.toFixed(1) + 'x'); // Update road lane speeds for (var i = 0; i < roadLanes.length; i++) { roadLanes[i].speed = 12 * gameSpeed; } } function fireWeapon(buttonSide) { // Check if the specific button is on cooldown (only applies after 10 presses) if (buttonSide === 'left' && leftButtonPressCount >= 10 && leftButtonCooldown || buttonSide === 'right' && rightButtonPressCount >= 10 && rightButtonCooldown) { return; // Don't fire if on cooldown } // Increment press counter if (buttonSide === 'left') { leftButtonPressCount++; } else if (buttonSide === 'right') { rightButtonPressCount++; } // Fire left bullet var bulletLeft = new Bullet(); bulletLeft.x = playerCar.x - 30; // Offset to the left bulletLeft.y = playerCar.y - 100; bullets.push(bulletLeft); game.addChild(bulletLeft); // Fire right bullet var bulletRight = new Bullet(); bulletRight.x = playerCar.x + 30; // Offset to the right bulletRight.y = playerCar.y - 100; bullets.push(bulletRight); game.addChild(bulletRight); // Set cooldown for the pressed button (only after 10 presses) if (buttonSide === 'left' && leftButtonPressCount >= 10) { leftButtonCooldown = true; // Reset cooldown after 1 second and restart the cycle LK.setTimeout(function () { leftButtonCooldown = false; leftButtonPressCount = 0; // Reset counter to restart the cycle }, 1000); } else if (buttonSide === 'right' && rightButtonPressCount >= 10) { rightButtonCooldown = true; // Reset cooldown after 1 second and restart the cycle LK.setTimeout(function () { rightButtonCooldown = false; rightButtonPressCount = 0; // Reset counter to restart the cycle }, 1000); } } // Add left shoot button event handler leftShootButton.down = function (x, y, obj) { fireWeapon('left'); // Visual feedback for button press tween(leftShootButton, { scaleX: 1.2, scaleY: 1.2, tint: 0xff8888 }, { duration: 100, onFinish: function onFinish() { tween(leftShootButton, { scaleX: 1, scaleY: 1, tint: leftButtonPressCount >= 10 && leftButtonCooldown ? 0x888888 : 0xffff00 }, { duration: 100 }); } }); }; // Add right shoot button event handler rightShootButton.down = function (x, y, obj) { fireWeapon('right'); // Visual feedback for button press tween(rightShootButton, { scaleX: 1.2, scaleY: 1.2, tint: 0xff8888 }, { duration: 100, onFinish: function onFinish() { tween(rightShootButton, { scaleX: 1, scaleY: 1, tint: rightButtonPressCount >= 10 && rightButtonCooldown ? 0x888888 : 0xffff00 }, { duration: 100 }); } }); }; // Touch controls game.down = function (x, y, obj) { isDragging = true; dragStartX = x; // Remove automatic weapon firing from general touch // Fixed distance movement per tap var moveDistance = 340; // Distance to move per tap (one lane width) var currentX = playerCar.x; var newTargetX; // Determine direction based on touch position relative to car if (x < currentX) { // Tap on left side - move left newTargetX = currentX - moveDistance; } else { // Tap on right side - move right newTargetX = currentX + moveDistance; } // Clamp to lane boundaries (same as enemy vehicles) if (newTargetX < 1024 + -510) { newTargetX = 1024 + -510; } // Left boundary for leftmost lane if (newTargetX > 1024 + 510) { newTargetX = 1024 + 510; } // Right boundary for rightmost lane playerCar.moveTo(newTargetX); // Force immediate movement playerCar.targetX = newTargetX; }; game.move = function (x, y, obj) { // Remove continuous movement - car should only move once per touch }; game.up = function (x, y, obj) { isDragging = false; }; // Main game loop game.update = function () { // Spawn enemy vehicles spawnTimer++; var spawnRate = Math.max(30 - gameSpeed * 3, 20); if (spawnTimer >= spawnRate) { spawnEnemyVehicle(); spawnTimer = 0; } // Increase game speed over time speedIncreaseTimer++; if (speedIncreaseTimer >= 60) { // Every second increaseGameSpeed(); speedIncreaseTimer = 0; } // Bullet shooting is now manual - controlled by touch/tap // Update bullets and check bullet collisions for (var b = bullets.length - 1; b >= 0; b--) { var bullet = bullets[b]; // Remove off-screen bullets - increased range if (bullet.y < -500) { bullet.destroy(); bullets.splice(b, 1); continue; } // Check bullet collision with enemies for (var e = enemyVehicles.length - 1; e >= 0; e--) { var enemy = enemyVehicles[e]; if (bullet.intersects(enemy)) { // Damage enemy enemy.health--; // Visual damage feedback tween(enemy, { tint: 0xff8888 }, { duration: 100, onFinish: function onFinish() { if (enemy.health > 0) { tween(enemy, { tint: 0xffffff }, { duration: 100 }); } } }); // Remove bullet bullet.destroy(); bullets.splice(b, 1); // Check if enemy is destroyed if (enemy.health <= 0) { // Create explosion with area damage tween(enemy, { scaleX: 2, scaleY: 2, tint: 0xff4444, alpha: 0 }, { duration: 400, easing: tween.easeOut }); // Area damage to nearby vehicles for (var k = enemyVehicles.length - 1; k >= 0; k--) { var nearbyEnemy = enemyVehicles[k]; if (nearbyEnemy !== enemy) { var distance = Math.sqrt(Math.pow(nearbyEnemy.x - enemy.x, 2) + Math.pow(nearbyEnemy.y - enemy.y, 2)); if (distance < 250) { nearbyEnemy.health--; tween(nearbyEnemy, { tint: 0xff6666 }, { duration: 150, onFinish: function onFinish() { if (nearbyEnemy.health > 0) { tween(nearbyEnemy, { tint: 0xffffff }, { duration: 150 }); } } }); nearbyEnemy.speed *= 0.8; } } } // Player takes damage if too close var playerDistance = Math.sqrt(Math.pow(playerCar.x - enemy.x, 2) + Math.pow(playerCar.y - enemy.y, 2)); if (playerDistance < 300) { playerHealth--; updateHealthDisplay(); LK.effects.flashScreen(0xff0000, 200); if (playerHealth <= 0) { LK.showGameOver(); return; } } LK.getSound('crash').play(); // Remove destroyed enemy after animation LK.setTimeout(function () { enemy.destroy(); var index = enemyVehicles.indexOf(enemy); if (index !== -1) { enemyVehicles.splice(index, 1); } }, 400); } break; } } } // Police car spawning logic policeSpawnTimer++; if (policeSpawnCooldown > 0) { policeSpawnCooldown--; } // Random chance to spawn police car (every 5-10 seconds when available) if (policeSpawnTimer >= 300 + Math.random() * 300) { if (Math.random() < 0.3) { // 30% chance when timer is ready spawnPoliceCar(); } policeSpawnTimer = 0; } // Update and manage police cars for (var p = policeCars.length - 1; p >= 0; p--) { var policeCar = policeCars[p]; // Remove off-screen police cars if (policeCar.y > 2732 + 200) { policeCar.destroy(); policeCars.splice(p, 1); } } // Update score updateScore(); // Check collisions checkCollisions(); };