feat: 新增物理弹球实验室及配套功能

1. 新增物理弹球游戏全套代码，包含物理引擎、规则、渲染、游戏逻辑、存档、音效、UI 2. 新增物理弹球相关调试与单元测试脚本 3. 优化私有剪贴上传功能：增加200MB上传限制与错误提示 4. 修复复古弹球桌的光滑面防粘附与休眠逻辑
2026-08-08 22:31:33 +08:00
parent 4492b4106a
commit 91148fe064
17 changed files with 2690 additions and 22 deletions
@@ -0,0 +1,59 @@
+/* ============================================================
+ * pb_audio.js · 物理弹球 Web 复刻版 · WebAudio 合成音效
+ * 无外部资源：发射/击中/碎裂/道具/结束 均为振荡器合成。
+ * 设置页可开关（PBStorage.soundOn）。
+ * ============================================================ */
+var PBAudio = (function () {
+  'use strict';
+  var ctx = null;
+  var lastHit = 0, lastWall = 0;   // 分开节流，防砖块命中音被墙壁音吃掉
+
+  function ac() {
+    if (!ctx) {
+      try { ctx = new (window.AudioContext || window.webkitAudioContext)(); } catch (e) { ctx = null; }
+    }
+    if (ctx && ctx.state === 'suspended') { try { ctx.resume(); } catch (e) {} }
+    return ctx;
+  }
+
+  function enabled() {
+    try { return PBStorage.soundOn(); } catch (e) { return true; }
+  }
+
+  function tone(freq, dur, type, gain, slideTo) {
+    var c = ac();
+    if (!c || !enabled()) return;
+    try {
+      var o = c.createOscillator();
+      var g = c.createGain();
+      o.type = type || 'sine';
+      o.frequency.setValueAtTime(freq, c.currentTime);
+      if (slideTo) o.frequency.exponentialRampToValueAtTime(slideTo, c.currentTime + dur);
+      g.gain.setValueAtTime(gain || 0.08, c.currentTime);
+      g.gain.exponentialRampToValueAtTime(0.0001, c.currentTime + dur);
+      o.connect(g); g.connect(c.destination);
+      o.start(); o.stop(c.currentTime + dur + 0.02);
+    } catch (e) {}
+  }
+
+  return {
+    unlock: function () { ac(); },
+    fire: function () { tone(520, 0.12, 'triangle', 0.06, 260); },
+    hit: function (speed) {
+      var now = Date.now();
+      if (now - lastHit < 45) return;   // 限流防炸音
+      lastHit = now;
+      tone(300 + Math.min(500, speed * 0.15), 0.06, 'square', 0.035);
+    },
+    wall: function () {
+      var now = Date.now();
+      if (now - lastWall < 45) return;
+      lastWall = now;
+      tone(180, 0.05, 'sine', 0.03);
+    },
+    breakBlock: function () { tone(760, 0.16, 'sawtooth', 0.06, 180); },
+    item: function () { tone(660, 0.1, 'sine', 0.07, 990); tone(990, 0.16, 'sine', 0.06, 1320); },
+    over: function () { tone(392, 0.25, 'triangle', 0.08, 196); },
+    claim: function () { tone(523, 0.09, 'sine', 0.07); tone(659, 0.09, 'sine', 0.07); tone(784, 0.16, 'sine', 0.07); }
+  };
+})();