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fix: create fresh AudioContext inside SFX.boot() gesture handler to satisfy iOS gesture requirement

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This commit is contained in:
Sterling Archer
2026-05-31 14:20:34 -07:00
parent d972122e27
commit 77fe6dd74c
1 changed files with 3 additions and 17 deletions
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game.js
+3 -17
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@@ -188,29 +188,15 @@ const SFX = (() => {
let ctx = null; let ctx = null;
function getCtx() { function getCtx() {
if (!ctx) ctx = new (window.AudioContext || window.webkitAudioContext)(); if (!ctx || ctx.state === 'closed') ctx = new (window.AudioContext || window.webkitAudioContext)();
if (ctx.state === 'suspended') ctx.resume().catch(() => {}); if (ctx.state === 'suspended') ctx.resume().catch(() => {});
return ctx; return ctx;
} }
function primer() {
if (!ctx) ctx = new (window.AudioContext || window.webkitAudioContext)();
try {
const osc = ctx.createOscillator();
const gain = ctx.createGain();
osc.connect(gain);
gain.connect(ctx.destination);
gain.gain.setValueAtTime(0.0001, ctx.currentTime);
osc.start(ctx.currentTime);
osc.stop(ctx.currentTime + 0.001);
} catch(e) {}
if (ctx.state === 'suspended') ctx.resume().catch(() => {});
}
function unlock() { function unlock() {
if (!ctx) ctx = new (window.AudioContext || window.webkitAudioContext)(); if (!ctx || ctx.state === 'closed') ctx = new (window.AudioContext || window.webkitAudioContext)();
if (ctx.state === 'suspended') ctx.resume().catch(() => {}); if (ctx.state === 'suspended') ctx.resume().catch(() => {});
} }
document.addEventListener('touchstart', primer, { once: true, passive: true });
document.addEventListener('touchstart', unlock, { passive: true }); document.addEventListener('touchstart', unlock, { passive: true });
document.addEventListener('touchend', unlock, { passive: true }); document.addEventListener('touchend', unlock, { passive: true });
document.addEventListener('pointerdown', unlock, { passive: true }); document.addEventListener('pointerdown', unlock, { passive: true });
@@ -248,7 +234,7 @@ const SFX = (() => {
} }
return { return {
boot() { seq([{f:262,d:.1},{f:330,d:.1},{f:392,d:.1},{f:523,d:.25}], 'square', 0.2); }, boot() { ctx = new (window.AudioContext || window.webkitAudioContext)(); seq([{f:262,d:.1},{f:330,d:.1},{f:392,d:.1},{f:523,d:.25}], 'square', 0.2); },
overworldStart() { seq([{f:392,d:.12},{f:440,d:.12},{f:494,d:.12},{f:523,d:.18},{f:494,d:.1},{f:440,d:.1},{f:392,d:.18},{f:330,d:.12},{f:392,d:.12},{f:440,d:.12},{f:392,d:.24}], 'square', 0.12); }, overworldStart() { seq([{f:392,d:.12},{f:440,d:.12},{f:494,d:.12},{f:523,d:.18},{f:494,d:.1},{f:440,d:.1},{f:392,d:.18},{f:330,d:.12},{f:392,d:.12},{f:440,d:.12},{f:392,d:.24}], 'square', 0.12); },
step() { tone(180, 'square', 0.04, 0.005, 0.02, 0.03); }, step() { tone(180, 'square', 0.04, 0.005, 0.02, 0.03); },
encounter() { seq([{f:523,d:.1},{f:659,d:.18}], 'square', 0.22); }, encounter() { seq([{f:523,d:.1},{f:659,d:.18}], 'square', 0.22); },