games-development-ai/wg1/gen-worker/evidence-3bB/factory-head-gen9303.js

'use strict';
export default function createGame(opts) {
  const o = opts || {};
  let ctx = null;
  let nowMs = 0;
  let seed = o.seed || 0;

  // 游戏状态
  let phase = 'booting';
  let score = 0;
  let timeLeft = 30; // 剩余秒数
  let targetScore = 12;
  let gameoverReason = '';
  let monsters = []; // {x,y,vx,vy,radius,color,isBomb,ttl}
  let spawnTimer = 0; // 距离下次生成怪物的时间（秒）
  let bombTimer = 0;  // 距离下次生成炸弹的时间（秒）
  let elapsed = 0;    // 游戏已运行时间（秒）
  let explosionEnd = 0; // 炸弹爆炸闪烁结束时间戳
  let inputSub = null;

  // 用于 last 5 秒闪烁
  let flashAlpha = 0;

  function init(boot) {
    ctx = boot.ctx;
    const random = ctx.random;
    if (seed !== undefined) {
      random.reseed(seed);
    }
    phase = 'playing';
    score = 0;
    timeLeft = 30;
    monsters = [];
    spawnTimer = 1.0; // 第一个怪物在 1.0 秒后
    bombTimer = random.range(8, 10);
    elapsed = 0;
    explosionEnd = 0;
    gameoverReason = '';

    // 订阅点击