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examples(webaudio): allow turning the noise off again

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This commit is contained in:
Nick Fitzgerald 2018-09-26 10:37:12 -07:00
parent a3e160744e
commit 826619870f
3 changed files with 10 additions and 1 deletions
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2
examples/webaudio/index.html
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@ -3,7 +3,7 @@
<meta content="text/html;charset=utf-8" http-equiv="Content-Type"/> <meta content="text/html;charset=utf-8" http-equiv="Content-Type"/>
</head> </head>
<body> <body>
<input id="play" type="button" value="Click me first to turn on audio"/> <input id="play" type="button" value="⏯"/>
(headphone users, please make sure your volume is not too loud!) (headphone users, please make sure your volume is not too loud!)
<div> <div>

3
examples/webaudio/index.js
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@ -9,6 +9,9 @@ import('./webaudio').then(rust_module => {
fm.set_fm_frequency(0); fm.set_fm_frequency(0);
fm.set_fm_amount(0); fm.set_fm_amount(0);
fm.set_gain(0.8); fm.set_gain(0.8);
} else {
fm.free();
fm = null;
} }
}); });

6
examples/webaudio/src/lib.rs
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@ -36,6 +36,12 @@ pub struct FmOsc {
fm_gain_ratio: f32, fm_gain_ratio: f32,
} }
impl Drop for FmOsc {
fn drop(&mut self) {
let _ = self.ctx.close();
}
}
#[wasm_bindgen] #[wasm_bindgen]
impl FmOsc { impl FmOsc {
#[wasm_bindgen(constructor)] #[wasm_bindgen(constructor)]