yangxiangyuan
91148fe064
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
60 lines
2.2 KiB
JavaScript
60 lines
2.2 KiB
JavaScript
/* ============================================================
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* pb_audio.js · 物理弹球 Web 复刻版 · WebAudio 合成音效
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* 无外部资源：发射/击中/碎裂/道具/结束 均为振荡器合成。
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* 设置页可开关（PBStorage.soundOn）。
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* ============================================================ */
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var PBAudio = (function () {
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'use strict';
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var ctx = null;
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var lastHit = 0, lastWall = 0; // 分开节流，防砖块命中音被墙壁音吃掉
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function ac() {
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if (!ctx) {
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try { ctx = new (window.AudioContext || window.webkitAudioContext)(); } catch (e) { ctx = null; }
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}
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if (ctx && ctx.state === 'suspended') { try { ctx.resume(); } catch (e) {} }
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return ctx;
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}
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function enabled() {
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try { return PBStorage.soundOn(); } catch (e) { return true; }
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}
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function tone(freq, dur, type, gain, slideTo) {
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var c = ac();
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if (!c || !enabled()) return;
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try {
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var o = c.createOscillator();
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var g = c.createGain();
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o.type = type || 'sine';
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o.frequency.setValueAtTime(freq, c.currentTime);
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if (slideTo) o.frequency.exponentialRampToValueAtTime(slideTo, c.currentTime + dur);
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g.gain.setValueAtTime(gain || 0.08, c.currentTime);
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g.gain.exponentialRampToValueAtTime(0.0001, c.currentTime + dur);
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o.connect(g); g.connect(c.destination);
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o.start(); o.stop(c.currentTime + dur + 0.02);
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} catch (e) {}
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}
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return {
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unlock: function () { ac(); },
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fire: function () { tone(520, 0.12, 'triangle', 0.06, 260); },
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hit: function (speed) {
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var now = Date.now();
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if (now - lastHit < 45) return; // 限流防炸音
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lastHit = now;
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tone(300 + Math.min(500, speed * 0.15), 0.06, 'square', 0.035);
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},
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wall: function () {
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var now = Date.now();
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if (now - lastWall < 45) return;
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lastWall = now;
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tone(180, 0.05, 'sine', 0.03);
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},
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breakBlock: function () { tone(760, 0.16, 'sawtooth', 0.06, 180); },
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item: function () { tone(660, 0.1, 'sine', 0.07, 990); tone(990, 0.16, 'sine', 0.06, 1320); },
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over: function () { tone(392, 0.25, 'triangle', 0.08, 196); },
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claim: function () { tone(523, 0.09, 'sine', 0.07); tone(659, 0.09, 'sine', 0.07); tone(784, 0.16, 'sine', 0.07); }
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};
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})();
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