Vitex Tecnologia
26 lines
940 B
TypeScript
26 lines
940 B
TypeScript
/**
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* Toca um som curto de sucesso (dois tons) usando Web Audio API.
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* Não requer arquivos de áudio.
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*/
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export function playSuccessSound(): void {
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try {
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const ctx = new (window.AudioContext || (window as unknown as { webkitAudioContext: typeof AudioContext }).webkitAudioContext)();
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const playTone = (frequency: number, startTime: number, duration: number) => {
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const osc = ctx.createOscillator();
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const gain = ctx.createGain();
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osc.connect(gain);
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gain.connect(ctx.destination);
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osc.frequency.value = frequency;
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osc.type = "sine";
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gain.gain.setValueAtTime(0.15, startTime);
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gain.gain.exponentialRampToValueAtTime(0.01, startTime + duration);
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osc.start(startTime);
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osc.stop(startTime + duration);
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};
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playTone(523.25, 0, 0.15);
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playTone(659.25, 0.18, 0.2);
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} catch {
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// Ignora se AudioContext não for suportado ou bloqueado (autoplay policy)
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}
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}
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