/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Ammo = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('ammo', { anchorX: 0.5, anchorY: 0.5 }); self.amount = 20; return self; }); var Bullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 15; self.direction = { x: 0, y: 0 }; self.range = 800; self.traveled = 0; self.update = function () { // Realistic bullet physics - gravity and slight wind effect self.direction.y += 0.002; // Gravity effect self.direction.x += (Math.random() - 0.5) * 0.001; // Wind turbulence self.speed *= 0.999; // Air resistance self.x += self.direction.x * self.speed; self.y += self.direction.y * self.speed; self.traveled += self.speed; if (self.traveled >= self.range || self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) { self.remove(); } }; self.remove = function () { if (self.parent) { self.parent.removeChild(self); } var index = bullets.indexOf(self); if (index > -1) { bullets.splice(index, 1); } }; return self; }); var Enemy = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.health = 60; self.speed = 4; self.shootCooldown = 0; self.lastShot = 0; self.lastPlayerX = 0; self.lastPlayerY = 0; self.takeDamage = function (damage) { self.health -= damage; LK.effects.flashObject(self, 0xFF0000, 200); if (self.health <= 0) { self.destroy(); } }; self.destroy = function () { if (self.parent) { self.parent.removeChild(self); } var index = enemies.indexOf(self); if (index > -1) { enemies.splice(index, 1); } // Increase score LK.setScore(LK.getScore() + 10); updateUI(); }; self.update = function () { // Realistic AI behavior var dx = player.x - self.x; var dy = player.y - self.y; var distance = Math.sqrt(dx * dx + dy * dy); // Advanced enemy tactics based on distance if (distance > 300) { // Charge towards player when far var moveX = dx / distance * self.speed * 1.2; var moveY = dy / distance * self.speed * 1.2; self.x += moveX; self.y += moveY; } else if (distance < 150) { // Retreat when too close for better shooting position var moveX = -dx / distance * self.speed * 0.8; var moveY = -dy / distance * self.speed * 0.8; self.x += moveX; self.y += moveY; } else { // Strafe movement for tactical positioning var strafeAngle = Math.atan2(dy, dx) + Math.PI / 2; var strafeX = Math.cos(strafeAngle) * self.speed * 0.6; var strafeY = Math.sin(strafeAngle) * self.speed * 0.6; self.x += strafeX + dx / distance * self.speed * 0.3; self.y += strafeY + dy / distance * self.speed * 0.3; } // Realistic shooting with accuracy based on distance and movement var accuracy = Math.max(0.3, 1 - distance / 600); if (distance < 400 && self.shootCooldown <= 0 && Math.random() < accuracy) { var bullet = new EnemyBullet(); bullet.x = self.x; bullet.y = self.y; // Add slight inaccuracy for realism var spread = 0.1; var angleOffset = (Math.random() - 0.5) * spread; var angle = Math.atan2(dy, dx) + angleOffset; bullet.direction.x = Math.cos(angle); bullet.direction.y = Math.sin(angle); enemyBullets.push(bullet); game.addChild(bullet); self.shootCooldown = Math.floor(40 + Math.random() * 40); // Variable reload time } if (self.shootCooldown > 0) { self.shootCooldown--; } // Keep enemy in bounds self.x = Math.max(50, Math.min(1998, self.x)); self.y = Math.max(50, Math.min(2682, self.y)); }; return self; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 12; self.direction = { x: 0, y: 0 }; self.range = 600; self.traveled = 0; self.update = function () { self.x += self.direction.x * self.speed; self.y += self.direction.y * self.speed; self.traveled += self.speed; if (self.traveled >= self.range || self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) { self.remove(); } }; self.remove = function () { if (self.parent) { self.parent.removeChild(self); } var index = enemyBullets.indexOf(self); if (index > -1) { enemyBullets.splice(index, 1); } }; return self; }); var HealthPack = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('health', { anchorX: 0.5, anchorY: 0.5 }); self.healAmount = 25; return self; }); var Player = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); self.health = 100; self.maxHealth = 100; self.ammo = 30; self.maxAmmo = 30; self.weapon = 'pistol'; self.speed = 8; self.shootCooldown = 0; self.lastX = self.x; self.lastY = self.y; self.takeDamage = function (damage) { self.health -= damage; // Realistic damage effects LK.effects.flashObject(self, 0xFF0000, 300); LK.effects.flashScreen(0xFF0000, 200); LK.getSound('hit').play(); // Camera shake effect based on damage severity var shakeIntensity = damage * 0.5; var originalX = game.x; var originalY = game.y; tween(game, { x: originalX + (Math.random() - 0.5) * shakeIntensity, y: originalY + (Math.random() - 0.5) * shakeIntensity }, { duration: 50, onFinish: function onFinish() { tween(game, { x: originalX + (Math.random() - 0.5) * shakeIntensity * 0.5, y: originalY + (Math.random() - 0.5) * shakeIntensity * 0.5 }, { duration: 50, onFinish: function onFinish() { tween(game, { x: originalX, y: originalY }, { duration: 100 }); } }); } }); if (self.health <= 0) { self.health = 0; LK.showGameOver(); } }; self.shoot = function (targetX, targetY) { if (self.shootCooldown <= 0 && self.ammo > 0) { var dx = targetX - self.x; var dy = targetY - self.y; var length = Math.sqrt(dx * dx + dy * dy); if (length > 0) { var bullet = new Bullet(); bullet.x = self.x; bullet.y = self.y; bullet.direction.x = dx / length; bullet.direction.y = dy / length; bullets.push(bullet); game.addChild(bullet); self.ammo--; self.shootCooldown = 10; LK.getSound('shoot').play(); // Realistic weapon recoil effect var recoilDistance = 8; var recoilX = -bullet.direction.x * recoilDistance; var recoilY = -bullet.direction.y * recoilDistance; tween(self, { x: self.x + recoilX, y: self.y + recoilY }, { duration: 100, onFinish: function onFinish() { tween(self, { x: self.x, y: self.y }, { duration: 200 }); } }); // Muzzle flash effect graphics.tint = 0xFFFF00; tween(graphics, { tint: 0x4caf50 }, { duration: 150 }); } } }; self.update = function () { if (self.shootCooldown > 0) { self.shootCooldown--; } // Zone damage var distanceFromCenter = Math.sqrt(Math.pow(self.x - zoneCenter.x, 2) + Math.pow(self.y - zoneCenter.y, 2)); if (distanceFromCenter > zoneRadius) { self.takeDamage(0.5); } }; return self; }); var Weapon = Container.expand(function () { var self = Container.call(this); var graphics = self.attachAsset('weapon', { anchorX: 0.5, anchorY: 0.5 }); self.type = 'rifle'; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x228B22 }); /**** * Game Code ****/ var player = new Player(); var enemies = []; var bullets = []; var enemyBullets = []; var weapons = []; var ammos = []; var healthPacks = []; // Zone variables var zoneCenter = { x: 1024, y: 1366 }; var zoneRadius = 1000; var zoneMaxRadius = 1000; var zoneShrinkRate = 0.5; // Game state var gameTime = 0; var spawnTimer = 0; var lootSpawnTimer = 0; // Zone visual var zoneVisual = LK.getAsset('zone', { anchorX: 0.5, anchorY: 0.5, alpha: 0.3 }); game.addChild(zoneVisual); zoneVisual.x = zoneCenter.x; zoneVisual.y = zoneCenter.y; // Initialize player position player.x = zoneCenter.x; player.y = zoneCenter.y; game.addChild(player); // UI Elements var healthText = new Text2('Health: 100', { size: 60, fill: 0xFF0000 }); healthText.anchor.set(0, 0); LK.gui.topLeft.addChild(healthText); var ammoText = new Text2('Ammo: 30', { size: 60, fill: 0x9C27B0 }); ammoText.anchor.set(0, 0); LK.gui.topLeft.addChild(ammoText); var scoreText = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); var zoneText = new Text2('Zone: Safe', { size: 50, fill: 0x00FF00 }); zoneText.anchor.set(1, 0); LK.gui.topRight.addChild(zoneText); function updateUI() { healthText.setText('Health: ' + Math.max(0, Math.floor(player.health))); ammoText.setText('Ammo: ' + player.ammo); scoreText.setText('Score: ' + LK.getScore()); var distanceFromCenter = Math.sqrt(Math.pow(player.x - zoneCenter.x, 2) + Math.pow(player.y - zoneCenter.y, 2)); if (distanceFromCenter > zoneRadius) { zoneText.setText('Zone: DANGER!'); zoneText.tint = 0xFF0000; } else { zoneText.setText('Zone: Safe'); zoneText.tint = 0x00FF00; } } function spawnEnemy() { var enemy = new Enemy(); // Spawn enemy at random edge of map var side = Math.floor(Math.random() * 4); if (side === 0) { // top enemy.x = Math.random() * 2048; enemy.y = 50; } else if (side === 1) { // right enemy.x = 1998; enemy.y = Math.random() * 2732; } else if (side === 2) { // bottom enemy.x = Math.random() * 2048; enemy.y = 2682; } else { // left enemy.x = 50; enemy.y = Math.random() * 2732; } enemies.push(enemy); game.addChild(enemy); } function spawnLoot() { var lootType = Math.random(); var lootItem; if (lootType < 0.4) { lootItem = new Ammo(); ammos.push(lootItem); } else if (lootType < 0.7) { lootItem = new HealthPack(); healthPacks.push(lootItem); } else { lootItem = new Weapon(); weapons.push(lootItem); } // Spawn within zone var angle = Math.random() * Math.PI * 2; var radius = Math.random() * (zoneRadius * 0.8); lootItem.x = zoneCenter.x + Math.cos(angle) * radius; lootItem.y = zoneCenter.y + Math.sin(angle) * radius; game.addChild(lootItem); } // Position UI elements healthText.y = 120; ammoText.y = 200; // Input handling var targetX = 0; var targetY = 0; var isMoving = false; game.move = function (x, y, obj) { targetX = x; targetY = y; if (isMoving) { var dx = x - player.x; var dy = y - player.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > 20) { var moveX = dx / distance * player.speed; var moveY = dy / distance * player.speed; player.x += moveX; player.y += moveY; // Keep player in bounds player.x = Math.max(40, Math.min(2008, player.x)); player.y = Math.max(40, Math.min(2692, player.y)); } } }; game.down = function (x, y, obj) { isMoving = true; targetX = x; targetY = y; }; game.up = function (x, y, obj) { if (isMoving) { player.shoot(targetX, targetY); } isMoving = false; }; // Main game loop game.update = function () { gameTime++; // Realistic environmental effects if (gameTime % 30 === 0) { // Dynamic zone visualization with pulsing danger effect var pulseAlpha = 0.3 + Math.sin(gameTime * 0.1) * 0.1; zoneVisual.alpha = pulseAlpha; } // Shrink zone over time with realistic acceleration if (gameTime % 180 === 0 && zoneRadius > 200) { // Every 3 seconds var oldRadius = zoneRadius; zoneRadius -= zoneShrinkRate * 10; // Smooth zone shrinking animation tween(zoneVisual, { width: zoneRadius * 2, height: zoneRadius * 2 }, 2000); if (zoneRadius < 500) { zoneShrinkRate = 1; // Increase zone danger as it gets smaller zoneVisual.tint = 0xFF6666; } } // Spawn enemies spawnTimer++; var spawnRate = Math.max(120, 300 - gameTime / 10); // Increase spawn rate over time if (spawnTimer >= spawnRate) { spawnEnemy(); spawnTimer = 0; } // Spawn loot lootSpawnTimer++; if (lootSpawnTimer >= 240) { // Every 4 seconds spawnLoot(); lootSpawnTimer = 0; } // Check bullet collisions with enemies for (var i = bullets.length - 1; i >= 0; i--) { var bullet = bullets[i]; for (var j = enemies.length - 1; j >= 0; j--) { var enemy = enemies[j]; if (bullet.intersects(enemy)) { enemy.takeDamage(25); bullet.remove(); break; } } } // Check enemy bullet collisions with player for (var i = enemyBullets.length - 1; i >= 0; i--) { var bullet = enemyBullets[i]; if (bullet.intersects(player)) { player.takeDamage(20); bullet.remove(); } } // Check loot collection for (var i = ammos.length - 1; i >= 0; i--) { var ammo = ammos[i]; if (player.intersects(ammo)) { player.ammo = Math.min(player.maxAmmo, player.ammo + ammo.amount); LK.getSound('pickup').play(); game.removeChild(ammo); ammos.splice(i, 1); } } for (var i = healthPacks.length - 1; i >= 0; i--) { var health = healthPacks[i]; if (player.intersects(health)) { player.health = Math.min(player.maxHealth, player.health + health.healAmount); LK.getSound('pickup').play(); game.removeChild(health); healthPacks.splice(i, 1); } } for (var i = weapons.length - 1; i >= 0; i--) { var weapon = weapons[i]; if (player.intersects(weapon)) { player.weapon = weapon.type; player.ammo = player.maxAmmo; LK.getSound('pickup').play(); game.removeChild(weapon); weapons.splice(i, 1); } } updateUI(); };