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main.ts
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main.ts
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import { Engine } from ".";
import { ModuleType } from "./modules";
const context = new AudioContext();
const engine = new Engine(context);
let osc = engine.addModule({
name: "osc",
moduleType: ModuleType.Oscillator,
props: { wave: "sine", frequency: 200 },
});
let vol = engine.addModule({
name: "vol",
moduleType: ModuleType.Volume,
props: { volume: 100 },
});
const master = engine.addModule({
name: "master",
moduleType: ModuleType.Master,
props: {},
});
osc = engine.updateModule({
id: osc.id,
moduleType: osc.moduleType,
changes: { props: { frequency: 440 } },
});
vol = engine.updateModule({
id: vol.id,
moduleType: vol.moduleType,
changes: { props: { volume: 0.01 } },
});
engine.connect(osc.id, vol.id);
engine.connect(vol.id, master.id);
declare global {
interface Window {
toggle: () => Promise<void>;
}
}
window.toggle = async () => {
if (engine.isStarted) {
engine.stop();
// This is temporary, we will implement a automate solution for this
engine.connect(osc.id, vol.id);
} else {
await engine.start();
}
};
setInterval(() => {
osc = engine.updateModule({
id: osc.id,
moduleType: osc.moduleType,
changes: { props: { frequency: 2000 * Math.random() } },
});
}, 1000);
document.querySelector<HTMLDivElement>("#app")!.innerHTML = `
<div>
Hello Web Audio
<button onclick="toggle()">toggle</button>
</div>
`;