/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ // Brawler (player) class var Brawler = Container.expand(function () { var self = Container.call(this); var brawlerGfx = self.attachAsset('brawler', { anchorX: 0.5, anchorY: 0.5 }); // Add a white outline var outline = self.attachAsset('brawler', { anchorX: 0.5, anchorY: 0.5, color: 0xffffff, width: brawlerGfx.width + 16, height: brawlerGfx.height + 16 }); outline.zIndex = -1; self.radius = brawlerGfx.width / 2; // Add a simple face (eyes and mouth) var eyeL = self.attachAsset('brawler', { anchorX: 0.5, anchorY: 0.5, color: 0xffffff, width: 18, height: 18 }); eyeL.x = -22; eyeL.y = -18; var eyeR = self.attachAsset('brawler', { anchorX: 0.5, anchorY: 0.5, color: 0xffffff, width: 18, height: 18 }); eyeR.x = 22; eyeR.y = -18; var mouth = self.attachAsset('brawler', { anchorX: 0.5, anchorY: 0.5, color: 0x222222, width: 32, height: 10 }); mouth.y = 18; // Health bar background (gray) var hpBarBg = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.5, color: 0x444444, width: brawlerGfx.width + 24, height: 22 }); hpBarBg.y = -brawlerGfx.height / 2 - 32; hpBarBg.zIndex = 10; // Health bar foreground (red, will be resized) var hpBarFg = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.5, color: 0xff3c3c, width: brawlerGfx.width + 20, height: 16 }); hpBarFg.y = -brawlerGfx.height / 2 - 32; hpBarFg.zIndex = 11; self._hpBarFg = hpBarFg; self.speed = 22; // Movement speed per tick self.shootCooldown = 0; // Ticks until next shot self.shootInterval = 18; // Ticks between shots self.invincibleTicks = 0; // Invincibility after hit self.hp = 3; self.maxHp = 3; self.poweredUp = false; self.powerupTicks = 0; // Visual feedback for invincibility self.update = function () { // Health bar update if (self.maxHp < 1) self.maxHp = 1; var hpFrac = Math.max(0, Math.min(1, self.hp / self.maxHp)); self._hpBarFg.width = (brawlerGfx.width + 20) * hpFrac; if (self.invincibleTicks > 0) { self.invincibleTicks--; brawlerGfx.alpha = LK.ticks % 6 < 3 ? 0.5 : 1; } else { brawlerGfx.alpha = 1; } if (self.powerupTicks > 0) { self.powerupTicks--; if (self.powerupTicks === 0) { self.poweredUp = false; self.shootInterval = 18; } } if (self.shootCooldown > 0) self.shootCooldown--; }; // Called when hit by enemy or bullet self.hit = function () { if (self.invincibleTicks > 0) return; self.hp--; self.invincibleTicks = 60; LK.effects.flashObject(self, 0xff0000, 400); if (self.hp <= 0) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } }; // Power-up effect self.applyPowerup = function () { self.poweredUp = true; self.powerupTicks = 360; // 6 seconds self.shootInterval = 8; LK.effects.flashObject(self, 0x4be04b, 600); }; return self; }); // Player bullet class var Bullet = Container.expand(function () { var self = Container.call(this); var bulletGfx = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = bulletGfx.width / 2; self.speed = 38; self.dx = 0; self.dy = 0; self.lifetime = 60; // 1 second self.update = function () { self.x += self.dx * self.speed; self.y += self.dy * self.speed; self.lifetime--; if (self.lifetime <= 0) { self.destroy(); } }; return self; }); // Enemy class var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGfx = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.radius = enemyGfx.width / 2; self.speed = 7 + Math.random() * 4; // Slightly random speed self.hp = 2; self.shootCooldown = 0; self.shootInterval = 60 + Math.floor(Math.random() * 30); self.update = function () { // Move toward player if (brawler && !self.isDestroyed) { var dx = brawler.x - self.x; var dy = brawler.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; } // Shooting if (self.shootCooldown > 0) self.shootCooldown--; if (self.shootCooldown === 0 && dist < 900) { self.shootCooldown = self.shootInterval; spawnEnemyBullet(self.x, self.y, dx / dist, dy / dist); } } }; self.hit = function () { self.hp--; LK.effects.flashObject(self, 0xffffff, 200); if (self.hp <= 0) { self.isDestroyed = true; LK.setScore(LK.getScore() + 1); scoreTxt.setText(LK.getScore()); self.destroy(); } }; return self; }); // Enemy bullet class var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGfx = self.attachAsset('enemyBullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = bulletGfx.width / 2; self.speed = 22; self.dx = 0; self.dy = 0; self.lifetime = 70; self.update = function () { self.x += self.dx * self.speed; self.y += self.dy * self.speed; self.lifetime--; if (self.lifetime <= 0) { self.destroy(); } }; return self; }); // Obstacle class var Obstacle = Container.expand(function () { var self = Container.call(this); var obsGfx = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.5 }); self.width = obsGfx.width; self.height = obsGfx.height; return self; }); // Power-up class var Powerup = Container.expand(function () { var self = Container.call(this); var powerupGfx = self.attachAsset('powerup', { anchorX: 0.5, anchorY: 0.5 }); self.radius = powerupGfx.width / 2; self.lifetime = 600; // 10 seconds self.update = function () { self.lifetime--; if (self.lifetime <= 0) { self.destroy(); } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1a1a1a }); /**** * Game Code ****/ // Obstacle asset // Power-up asset // Enemy bullet asset // Bullet asset (player) // Enemy asset // Brawler (player) asset // Arena bounds var ARENA_MARGIN = 80; var ARENA_W = 2048 - ARENA_MARGIN * 2; var ARENA_H = 2732 - ARENA_MARGIN * 2; // Game objects var brawler = null; var enemies = []; var bullets = []; var enemyBullets = []; var powerups = []; var obstacles = []; // Score and UI var scoreTxt = new Text2('0', { size: 120, fill: "#fff" }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var hpTxt = new Text2('❤❤❤', { size: 90, fill: 0xFF3C3C }); hpTxt.anchor.set(0.5, 0); LK.gui.top.addChild(hpTxt); hpTxt.y = 120; // Timer var timeLeft = 60; // seconds var timerTxt = new Text2('60', { size: 90, fill: 0x4BE04B }); timerTxt.anchor.set(0.5, 0); LK.gui.top.addChild(timerTxt); timerTxt.y = 220; // Touch controls var dragActive = false; var dragOffsetX = 0; var dragOffsetY = 0; var lastTouchX = 0; var lastTouchY = 0; var shootDirX = 0; var shootDirY = -1; // Helper: clamp position inside arena function clampArena(x, y, radius) { var nx = Math.max(ARENA_MARGIN + radius, Math.min(2048 - ARENA_MARGIN - radius, x)); var ny = Math.max(ARENA_MARGIN + radius, Math.min(2732 - ARENA_MARGIN - radius, y)); return { x: nx, y: ny }; } // Helper: check circle-circle collision function circlesIntersect(a, b) { var dx = a.x - b.x; var dy = a.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); return dist < a.radius + b.radius - 2; } // Helper: check circle-rectangle collision (for obstacles) function circleRectIntersect(circle, rect) { var rx = rect.x - rect.width / 2; var ry = rect.y - rect.height / 2; var cx = circle.x; var cy = circle.y; var closestX = Math.max(rx, Math.min(cx, rx + rect.width)); var closestY = Math.max(ry, Math.min(cy, ry + rect.height)); var dx = cx - closestX; var dy = cy - closestY; return dx * dx + dy * dy < circle.radius * circle.radius; } // Spawn player brawler = new Brawler(); brawler.x = 2048 / 2; brawler.y = 2732 - 400; game.addChild(brawler); // Spawn obstacles function spawnObstacles() { var obs1 = new Obstacle(); obs1.x = 2048 / 2; obs1.y = 2732 / 2; obstacles.push(obs1); game.addChild(obs1); var obs2 = new Obstacle(); obs2.x = 2048 / 2 - 400; obs2.y = 2732 / 2 - 500; obstacles.push(obs2); game.addChild(obs2); var obs3 = new Obstacle(); obs3.x = 2048 / 2 + 400; obs3.y = 2732 / 2 - 500; obstacles.push(obs3); game.addChild(obs3); } spawnObstacles(); // Spawn enemy at random edge function spawnEnemy() { var edge = Math.floor(Math.random() * 4); var ex, ey; if (edge === 0) { // Top ex = ARENA_MARGIN + Math.random() * ARENA_W; ey = ARENA_MARGIN + 40; } else if (edge === 1) { // Bottom ex = ARENA_MARGIN + Math.random() * ARENA_W; ey = 2732 - ARENA_MARGIN - 40; } else if (edge === 2) { // Left ex = ARENA_MARGIN + 40; ey = ARENA_MARGIN + Math.random() * ARENA_H; } else { // Right ex = 2048 - ARENA_MARGIN - 40; ey = ARENA_MARGIN + Math.random() * ARENA_H; } var enemy = new Enemy(); enemy.x = ex; enemy.y = ey; enemies.push(enemy); game.addChild(enemy); } // Spawn powerup at random location function spawnPowerup() { var pu = new Powerup(); pu.x = ARENA_MARGIN + 100 + Math.random() * (ARENA_W - 200); pu.y = ARENA_MARGIN + 100 + Math.random() * (ARENA_H - 200); powerups.push(pu); game.addChild(pu); } // Spawn enemy bullet function spawnEnemyBullet(x, y, dx, dy) { var eb = new EnemyBullet(); eb.x = x; eb.y = y; eb.dx = dx; eb.dy = dy; enemyBullets.push(eb); game.addChild(eb); } // Player shooting function shootBullet(dirX, dirY) { if (brawler.shootCooldown > 0) return; var b = new Bullet(); b.x = brawler.x + dirX * (brawler.radius + 40); b.y = brawler.y + dirY * (brawler.radius + 40); b.dx = dirX; b.dy = dirY; bullets.push(b); game.addChild(b); brawler.shootCooldown = brawler.shootInterval; } // Update HP UI function updateHpUi() { var s = ''; for (var i = 0; i < brawler.hp; i++) s += '❤'; hpTxt.setText(s); } // Touch controls game.down = function (x, y, obj) { // If touch is on brawler, start drag var dx = x - brawler.x; var dy = y - brawler.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < brawler.radius + 30) { dragActive = true; dragOffsetX = brawler.x - x; dragOffsetY = brawler.y - y; } else { // Set shoot direction shootDirX = dx / (dist || 1); shootDirY = dy / (dist || 1); shootBullet(shootDirX, shootDirY); } lastTouchX = x; lastTouchY = y; }; game.move = function (x, y, obj) { if (dragActive) { // Smoothly move brawler toward finger var target = clampArena(x + dragOffsetX, y + dragOffsetY, brawler.radius); var dx = target.x - brawler.x; var dy = target.y - brawler.y; var dist = Math.sqrt(dx * dx + dy * dy); var moveStep = Math.min(brawler.speed, dist); var nx = brawler.x, ny = brawler.y; if (dist > 1) { nx += dx / dist * moveStep; ny += dy / dist * moveStep; } // Obstacle collision var blocked = false; for (var i = 0; i < obstacles.length; i++) { if (circleRectIntersect({ x: nx, y: ny, radius: brawler.radius }, obstacles[i])) { blocked = true; break; } } if (!blocked) { brawler.x = nx; brawler.y = ny; } } lastTouchX = x; lastTouchY = y; }; game.up = function (x, y, obj) { dragActive = false; }; // Main update loop game.update = function () { // Update timer if (LK.ticks % 60 === 0 && timeLeft > 0) { timeLeft--; timerTxt.setText(timeLeft); if (timeLeft === 0) { LK.showYouWin(); } } // Update brawler brawler.update(); updateHpUi(); // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { var e = enemies[i]; e.update(); // Collide with brawler if (circlesIntersect(e, brawler) && !e.isDestroyed) { brawler.hit(); e.isDestroyed = true; e.destroy(); enemies.splice(i, 1); continue; } // Collide with obstacles var hitObs = false; for (var j = 0; j < obstacles.length; j++) { if (circleRectIntersect(e, obstacles[j])) { hitObs = true; break; } } if (hitObs) { e.x -= (e.x - brawler.x) * 0.2; e.y -= (e.y - brawler.y) * 0.2; } } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { var b = bullets[i]; b.update(); // Out of bounds if (b.x < ARENA_MARGIN || b.x > 2048 - ARENA_MARGIN || b.y < ARENA_MARGIN || b.y > 2732 - ARENA_MARGIN) { b.destroy(); bullets.splice(i, 1); continue; } // Hit enemy var hit = false; for (var j = enemies.length - 1; j >= 0; j--) { if (circlesIntersect(b, enemies[j])) { enemies[j].hit(); b.destroy(); bullets.splice(i, 1); hit = true; break; } } if (hit) continue; // Hit obstacle for (var j = 0; j < obstacles.length; j++) { if (circleRectIntersect(b, obstacles[j])) { b.destroy(); bullets.splice(i, 1); break; } } } // Update enemy bullets for (var i = enemyBullets.length - 1; i >= 0; i--) { var eb = enemyBullets[i]; eb.update(); // Out of bounds if (eb.x < ARENA_MARGIN || eb.x > 2048 - ARENA_MARGIN || eb.y < ARENA_MARGIN || eb.y > 2732 - ARENA_MARGIN) { eb.destroy(); enemyBullets.splice(i, 1); continue; } // Hit brawler if (circlesIntersect(eb, brawler)) { brawler.hit(); eb.destroy(); enemyBullets.splice(i, 1); continue; } // Hit obstacle for (var j = 0; j < obstacles.length; j++) { if (circleRectIntersect(eb, obstacles[j])) { eb.destroy(); enemyBullets.splice(i, 1); break; } } } // Update powerups for (var i = powerups.length - 1; i >= 0; i--) { var pu = powerups[i]; pu.update(); if (circlesIntersect(pu, brawler)) { brawler.applyPowerup(); pu.destroy(); powerups.splice(i, 1); continue; } } // Enemy spawn logic: spawn more as time goes on if (LK.ticks % Math.max(60, 180 - LK.getScore() * 2) === 0) { if (enemies.length < 6 + Math.floor(LK.getScore() / 5)) { spawnEnemy(); } } // Powerup spawn logic if (LK.ticks % 420 === 0 && powerups.length < 2) { spawnPowerup(); } // Auto-shoot if holding touch outside brawler if (!dragActive && lastTouchX && lastTouchY) { var dx = lastTouchX - brawler.x; var dy = lastTouchY - brawler.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > brawler.radius + 30) { shootDirX = dx / (dist || 1); shootDirY = dy / (dist || 1); shootBullet(shootDirX, shootDirY); } } }; // Center UI scoreTxt.x = 2048 / 2; hpTxt.x = 2048 / 2; timerTxt.x = 2048 / 2;