/**** * Classes ****/ //var tween = LK.import("@upit/tween.v1"); // Civilian car class (obstacle) var Car = Container.expand(function () { var self = Container.call(this); self.speed = 8 + Math.random() * 6; self.direction = Math.random() < 0.5 ? 1 : -1; // 1: right, -1: left var carSprite = self.attachAsset('car', { anchorX: 0.5, anchorY: 0.5 }); // Update: move horizontally self.update = function () { self.x += self.speed * self.direction; }; return self; }); // Health pack class var HealthPack = Container.expand(function () { var self = Container.call(this); var healthSprite = self.attachAsset('health', { anchorX: 0.5, anchorY: 0.5 }); return self; }); // Loot class var Loot = Container.expand(function () { var self = Container.call(this); var lootSprite = self.attachAsset('loot', { anchorX: 0.5, anchorY: 0.5 }); return self; }); // Player class var Player = Container.expand(function () { var self = Container.call(this); self.isInVehicle = false; self.health = 30; self.speed = 12; self.vehicleSpeed = 22; self.invincible = false; self.invincibleTimer = 0; // Attach player asset var playerSprite = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); // Attach vehicle asset (hidden by default) var vehicleSprite = self.attachAsset('stolenCar', { anchorX: 0.5, anchorY: 0.5, alpha: 0 }); // Switch to vehicle mode self.enterVehicle = function () { self.isInVehicle = true; playerSprite.alpha = 0; vehicleSprite.alpha = 1; }; // Exit vehicle mode self.exitVehicle = function () { self.isInVehicle = false; playerSprite.alpha = 1; vehicleSprite.alpha = 0; }; // Take damage (with invincibility frames) self.takeDamage = function () { if (self.invincible) { return; } self.health -= 1; self.invincible = true; self.invincibleTimer = 60; // 1 second at 60fps LK.effects.flashObject(self, 0xff0000, 400); }; // Heal self.heal = function () { if (!self.maxHealth) self.maxHealth = 30; if (self.health < self.maxHealth) { self.health += 1; } }; // Update (invincibility timer) self.update = function () { if (self.invincible) { self.invincibleTimer--; if (self.invincibleTimer <= 0) { self.invincible = false; } } }; return self; }); // Police car class var Police = Container.expand(function () { var self = Container.call(this); self.speed = 10 + Math.random() * 4; self.target = null; var policeSprite = self.attachAsset('police', { anchorX: 0.5, anchorY: 0.5 }); // Set target (player) self.setTarget = function (target) { self.target = target; }; // Update: chase player self.update = function () { if (!self.target) { return; } var dx = self.target.x - self.x; var dy = self.target.y - self.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > 0) { self.x += dx / dist * self.speed; self.y += dy / dist * self.speed; } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0xe0e0e0 }); /**** * Game Code ****/ // --- Global variables --- // City background (large, light gray) // Player (thief) - red ellipse // Police car - blue box // Civilian car - gray box // Loot - yellow ellipse // Health pack - green ellipse // Stolen vehicle (player) - orange box var player; var policeCars = []; var cars = []; var loots = []; var healthPacks = []; var score = 0; var heistObjective = 5; // Number of loot to collect per level var lootCollected = 0; var level = 1; var dragNode = null; var lastMoveX = 0, lastMoveY = 0; // --- Background --- var cityBg = LK.getAsset('cityBg', { anchorX: 0, anchorY: 0, x: 0, y: 0 }); game.addChild(cityBg); // --- Score and Health UI --- var scoreTxt = new Text2('Score: 0 | HP: 30', { size: 90, fill: "#222" }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var healthTxt = new Text2('♥♥♥', { size: 90, fill: 0xD83318 }); healthTxt.anchor.set(0.5, 0); LK.gui.top.addChild(healthTxt); healthTxt.y = 100; // --- Objective UI --- var objTxt = new Text2('Loot: 0/5', { size: 70, fill: "#444" }); objTxt.anchor.set(0.5, 0); LK.gui.top.addChild(objTxt); objTxt.y = 200; // --- Helper functions --- function updateScoreUI() { if (player) { scoreTxt.setText('Score: ' + score + ' | HP: ' + player.health); } else { scoreTxt.setText('Score: ' + score); } } function updateHealthUI() { var hearts = ''; var maxHearts = player.maxHealth ? player.maxHealth : 30; for (var i = 0; i < player.health && i < maxHearts; i++) { hearts += '♥'; } healthTxt.setText(hearts + ' (' + player.health + ')'); updateScoreUI(); } function updateObjectiveUI() { objTxt.setText('Loot: ' + lootCollected + '/' + heistObjective); } function spawnLoot() { var loot = new Loot(); // Place randomly, not too close to edges or top left loot.x = 200 + Math.random() * (2048 - 400); loot.y = 300 + Math.random() * (2732 - 600); loots.push(loot); game.addChild(loot); } function spawnHealthPack() { var hp = new HealthPack(); hp.x = 200 + Math.random() * (2048 - 400); hp.y = 300 + Math.random() * (2732 - 600); healthPacks.push(hp); game.addChild(hp); } function spawnPolice() { var police = new Police(); // Spawn at random edge var edge = Math.floor(Math.random() * 4); if (edge === 0) { // Top police.x = 200 + Math.random() * (2048 - 400); police.y = 0; } else if (edge === 1) { // Bottom police.x = 200 + Math.random() * (2048 - 400); police.y = 2732; } else if (edge === 2) { // Left police.x = 0; police.y = 300 + Math.random() * (2732 - 600); } else { // Right police.x = 2048; police.y = 300 + Math.random() * (2732 - 600); } police.setTarget(player); policeCars.push(police); game.addChild(police); } function spawnCar() { var car = new Car(); // Randomly choose top or bottom lane var laneY = 500 + Math.floor(Math.random() * 8) * 250; car.y = laneY; if (car.direction === 1) { car.x = -100; } else { car.x = 2048 + 100; } cars.push(car); game.addChild(car); } function resetLevel() { // Remove all loot, police, cars, health packs for (var i = 0; i < loots.length; i++) { loots[i].destroy(); } for (var i = 0; i < policeCars.length; i++) { policeCars[i].destroy(); } for (var i = 0; i < cars.length; i++) { cars[i].destroy(); } for (var i = 0; i < healthPacks.length; i++) { healthPacks[i].destroy(); } loots = []; policeCars = []; cars = []; healthPacks = []; lootCollected = 0; heistObjective = 5 + (level - 1) * 2; updateObjectiveUI(); // Spawn loot for (var i = 0; i < heistObjective; i++) { spawnLoot(); } // Spawn police immediately at level start for (var i = 0; i < Math.min(2 + level, 6); i++) { spawnPolice(); } // Spawn cars for (var i = 0; i < 6 + level * 2; i++) { spawnCar(); } // Spawn health pack if (level > 1) { spawnHealthPack(); } // Reset player position and state player.x = 2048 / 2; player.y = 2732 - 300; player.exitVehicle(); // Increase max health by 1 for each completed level, up to a reasonable cap (e.g. 100) if (!player.maxHealth) { player.maxHealth = 30; } if (level > 1) { player.maxHealth += 1; if (player.maxHealth > 100) player.maxHealth = 100; } player.health = player.maxHealth; updateHealthUI(); } // --- Initialize player --- player = new Player(); player.x = 2048 / 2; player.y = 2732 - 300; game.addChild(player); // --- Start first level --- resetLevel(); updateScoreUI(); // --- Touch/drag controls --- function clamp(val, min, max) { if (val < min) { return min; } if (val > max) { return max; } return val; } function handleMove(x, y, obj) { if (!dragNode) { return; } // Clamp to game area, avoid top left 100x100 var px = clamp(x, 100 + 50, 2048 - 50); var py = clamp(y, 100 + 50, 2732 - 50); // Move player smoothly var speed = dragNode.isInVehicle ? dragNode.vehicleSpeed : dragNode.speed; var dx = px - dragNode.x; var dy = py - dragNode.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > speed) { dragNode.x += dx / dist * speed; dragNode.y += dy / dist * speed; } else { dragNode.x = px; dragNode.y = py; } lastMoveX = px; lastMoveY = py; } game.move = handleMove; game.down = function (x, y, obj) { // Only allow drag if not in top left 100x100 if (x < 100 && y < 100) { return; } dragNode = player; handleMove(x, y, obj); }; game.up = function (x, y, obj) { dragNode = null; }; // --- Main game update loop --- game.update = function () { // Update player (invincibility, etc) player.update(); // Update police for (var i = policeCars.length - 1; i >= 0; i--) { var p = policeCars[i]; p.update(); // Check collision with player if (p.intersects(player)) { if (!player.invincible) { player.takeDamage(); updateHealthUI(); if (player.health <= 0) { LK.effects.flashScreen(0x0000ff, 1000); LK.showGameOver(); return; } } } } // Update cars (obstacles) for (var i = cars.length - 1; i >= 0; i--) { var c = cars[i]; c.update(); // Remove if off screen if (c.direction === 1 && c.x > 2048 + 200 || c.direction === -1 && c.x < -200) { c.destroy(); cars.splice(i, 1); continue; } // Collision with player if (c.intersects(player)) { if (!player.isInVehicle && !player.invincible) { player.takeDamage(); updateHealthUI(); if (player.health <= 0) { LK.effects.flashScreen(0x0000ff, 1000); LK.showGameOver(); return; } } } // Steal vehicle: if player is not in vehicle and collides, enter vehicle if (!player.isInVehicle && c.intersects(player)) { player.enterVehicle(); // Remove the car c.destroy(); cars.splice(i, 1); continue; } } // Update loot for (var i = loots.length - 1; i >= 0; i--) { var l = loots[i]; if (l.intersects(player)) { score += 10; lootCollected += 1; updateScoreUI(); updateObjectiveUI(); l.destroy(); loots.splice(i, 1); // Win level if all loot collected if (lootCollected >= heistObjective) { level += 1; LK.effects.flashScreen(0x44de83, 800); LK.setTimeout(function () { resetLevel(); }, 900); return; } } } // Update health packs for (var i = healthPacks.length - 1; i >= 0; i--) { var hp = healthPacks[i]; if (hp.intersects(player)) { player.heal(); updateHealthUI(); hp.destroy(); healthPacks.splice(i, 1); } } // Player exits vehicle after a while (simulate "stolen car runs out of gas") if (player.isInVehicle) { if (!player.vehicleTimer) { player.vehicleTimer = 180; } // 3 seconds player.vehicleTimer--; if (player.vehicleTimer <= 0) { player.exitVehicle(); player.vehicleTimer = null; } } // Spawn new cars and police at intervals if (LK.ticks % (90 - Math.min(level * 5, 60)) === 0) { spawnCar(); } if (LK.ticks % (300 - Math.min(level * 10, 200)) === 0) { spawnPolice(); } // Occasionally spawn health pack if (LK.ticks % 900 === 0 && healthPacks.length < 1 && player.health < 3) { spawnHealthPack(); } };