/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Building = Container.expand(function () { var self = Container.call(this); self.attachAsset('building', { anchorX: 0.5, anchorY: 0.5 }); return self; }); var CashPickup = Container.expand(function () { var self = Container.call(this); var cashSprite = self.attachAsset('cash', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { cashSprite.rotation += 0.1; }; return self; }); var PlayerCar = Container.expand(function () { var self = Container.call(this); var carSprite = self.attachAsset('player_car', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.maxSpeed = 8; self.acceleration = 0.3; self.friction = 0.95; self.turnSpeed = 0.08; self.health = 100; self.maxHealth = 100; self.update = function () { // Apply friction self.velocityX *= self.friction; self.velocityY *= self.friction; // Update position self.x += self.velocityX; self.y += self.velocityY; // Keep player on screen with wrapping if (self.x < -40) self.x = 2088; if (self.x > 2088) self.x = -40; if (self.y < -60) self.y = 2792; if (self.y > 2792) self.y = -60; }; self.steerTowards = function (targetX, targetY) { var dx = targetX - self.x; var dy = targetY - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 20) { var targetAngle = Math.atan2(dy, dx); var currentAngle = Math.atan2(self.velocityY, self.velocityX); // Smooth angle interpolation var angleDiff = targetAngle - currentAngle; if (angleDiff > Math.PI) angleDiff -= 2 * Math.PI; if (angleDiff < -Math.PI) angleDiff += 2 * Math.PI; var steerAngle = currentAngle + angleDiff * self.turnSpeed; // Apply acceleration in steering direction self.velocityX += Math.cos(steerAngle) * self.acceleration; self.velocityY += Math.sin(steerAngle) * self.acceleration; // Limit speed var speed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY); if (speed > self.maxSpeed) { self.velocityX = self.velocityX / speed * self.maxSpeed; self.velocityY = self.velocityY / speed * self.maxSpeed; } // Update sprite rotation carSprite.rotation = Math.atan2(self.velocityY, self.velocityX) + Math.PI / 2; } }; self.takeDamage = function (amount) { self.health -= amount; if (self.health <= 0) { self.health = 0; LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } else { LK.effects.flashObject(self, 0xff0000, 500); } }; return self; }); var PoliceCar = Container.expand(function () { var self = Container.call(this); var policeSprite = self.attachAsset('police_car', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.maxSpeed = 6; self.acceleration = 0.25; self.friction = 0.96; self.turnSpeed = 0.06; self.update = function () { // Chase player var dx = playerCar.x - self.x; var dy = playerCar.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { var targetAngle = Math.atan2(dy, dx); // Apply acceleration towards player self.velocityX += Math.cos(targetAngle) * self.acceleration; self.velocityY += Math.sin(targetAngle) * self.acceleration; // Limit speed var speed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY); if (speed > self.maxSpeed) { self.velocityX = self.velocityX / speed * self.maxSpeed; self.velocityY = self.velocityY / speed * self.maxSpeed; } // Update sprite rotation policeSprite.rotation = Math.atan2(self.velocityY, self.velocityX) + Math.PI / 2; } // Apply friction self.velocityX *= self.friction; self.velocityY *= self.friction; // Update position self.x += self.velocityX; self.y += self.velocityY; // Remove if too far off screen if (self.x < -200 || self.x > 2248 || self.y < -200 || self.y > 2932) { self.shouldRemove = true; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x27ae60 }); /**** * Game Code ****/ // Game variables var playerCar; var policeCars = []; var buildings = []; var cashPickups = []; var wantedLevel = 1; var lastPoliceSpawn = 0; var lastCashSpawn = 0; var targetX = 1024; var targetY = 1366; // UI elements var scoreTxt = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0, 0); scoreTxt.x = 150; scoreTxt.y = 50; LK.gui.topLeft.addChild(scoreTxt); var healthTxt = new Text2('Health: 100', { size: 50, fill: 0xFFFFFF }); healthTxt.anchor.set(1, 0); LK.gui.topRight.addChild(healthTxt); // Initialize player playerCar = game.addChild(new PlayerCar()); playerCar.x = 1024; playerCar.y = 1366; // Generate city layout function createBuildings() { var buildingPositions = [{ x: 300, y: 400 }, { x: 600, y: 300 }, { x: 900, y: 500 }, { x: 1200, y: 350 }, { x: 1500, y: 600 }, { x: 1800, y: 400 }, { x: 400, y: 800 }, { x: 800, y: 900 }, { x: 1300, y: 1000 }, { x: 1600, y: 850 }, { x: 200, y: 1200 }, { x: 700, y: 1300 }, { x: 1100, y: 1400 }, { x: 1400, y: 1200 }, { x: 1700, y: 1500 }, { x: 300, y: 1800 }, { x: 800, y: 1700 }, { x: 1200, y: 1900 }, { x: 1500, y: 1800 }, { x: 500, y: 2100 }, { x: 1000, y: 2200 }, { x: 1400, y: 2000 }, { x: 1800, y: 2100 }]; for (var i = 0; i < buildingPositions.length; i++) { var building = game.addChild(new Building()); building.x = buildingPositions[i].x; building.y = buildingPositions[i].y; buildings.push(building); } } function spawnCash() { var cash = game.addChild(new CashPickup()); cash.x = Math.random() * 1848 + 100; cash.y = Math.random() * 2532 + 100; // Make sure cash doesn't spawn inside buildings var validPosition = false; var attempts = 0; while (!validPosition && attempts < 10) { validPosition = true; for (var i = 0; i < buildings.length; i++) { if (cash.intersects(buildings[i])) { cash.x = Math.random() * 1848 + 100; cash.y = Math.random() * 2532 + 100; validPosition = false; break; } } attempts++; } cashPickups.push(cash); } function spawnPolice() { var police = game.addChild(new PoliceCar()); // Spawn police at screen edges var side = Math.floor(Math.random() * 4); switch (side) { case 0: // Top police.x = Math.random() * 2048; police.y = -100; break; case 1: // Right police.x = 2148; police.y = Math.random() * 2732; break; case 2: // Bottom police.x = Math.random() * 2048; police.y = 2832; break; case 3: // Left police.x = -100; police.y = Math.random() * 2732; break; } policeCars.push(police); } // Initialize city createBuildings(); // Spawn initial cash for (var i = 0; i < 5; i++) { spawnCash(); } // Touch controls game.down = function (x, y, obj) { targetX = x; targetY = y; }; game.move = function (x, y, obj) { targetX = x; targetY = y; }; // Main game loop game.update = function () { // Update wanted level over time if (LK.ticks % 1800 == 0) { // Every 30 seconds wantedLevel = Math.min(wantedLevel + 1, 5); } // Steer player car playerCar.steerTowards(targetX, targetY); // Spawn police based on wanted level var policeSpawnRate = Math.max(300 - wantedLevel * 50, 120); if (LK.ticks - lastPoliceSpawn > policeSpawnRate && policeCars.length < wantedLevel * 2) { spawnPolice(); lastPoliceSpawn = LK.ticks; } // Spawn cash periodically if (LK.ticks - lastCashSpawn > 600 && cashPickups.length < 8) { spawnCash(); lastCashSpawn = LK.ticks; } // Check collisions with buildings for (var i = 0; i < buildings.length; i++) { if (playerCar.intersects(buildings[i])) { // Push player away from building var dx = playerCar.x - buildings[i].x; var dy = playerCar.y - buildings[i].y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { playerCar.x = buildings[i].x + dx / distance * 130; playerCar.y = buildings[i].y + dy / distance * 130; } // Reduce speed and take damage playerCar.velocityX *= 0.3; playerCar.velocityY *= 0.3; playerCar.takeDamage(5); LK.getSound('crash').play(); } } // Check collisions with cash for (var i = cashPickups.length - 1; i >= 0; i--) { var cash = cashPickups[i]; if (playerCar.intersects(cash)) { LK.setScore(LK.getScore() + 100); scoreTxt.setText('Score: ' + LK.getScore()); cash.destroy(); cashPickups.splice(i, 1); LK.getSound('collect_cash').play(); } } // Check collisions with police for (var i = policeCars.length - 1; i >= 0; i--) { var police = policeCars[i]; if (police.shouldRemove) { police.destroy(); policeCars.splice(i, 1); continue; } if (playerCar.intersects(police)) { // Push cars apart var dx = playerCar.x - police.x; var dy = playerCar.y - police.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 0) { var pushForce = 5; playerCar.velocityX += dx / distance * pushForce; playerCar.velocityY += dy / distance * pushForce; police.velocityX -= dx / distance * pushForce; police.velocityY -= dy / distance * pushForce; } playerCar.takeDamage(10); LK.getSound('crash').play(); } } // Update health display healthTxt.setText('Health: ' + Math.ceil(playerCar.health)); // Add survival score if (LK.ticks % 60 == 0) { // Every second LK.setScore(LK.getScore() + 10); scoreTxt.setText('Score: ' + LK.getScore()); } };