141 lines
3.5 KiB
JavaScript
141 lines
3.5 KiB
JavaScript
/**
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* Star Wars Hearthstone - Web Audio sound effects
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*/
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(function (global) {
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'use strict';
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let ctx = null;
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function init() {
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if (ctx) {
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if (ctx.state === 'suspended') ctx.resume().catch(function () {});
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return ctx;
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}
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try {
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ctx = new (global.AudioContext || global.webkitAudioContext)();
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} catch (e) {
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return null;
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}
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return ctx;
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}
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function beep(freq, duration, type, vol) {
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const c = init();
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if (!c) return;
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const osc = c.createOscillator();
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const gain = c.createGain();
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osc.connect(gain);
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gain.connect(c.destination);
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osc.frequency.value = freq;
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osc.type = type || 'sine';
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gain.gain.setValueAtTime(vol ?? 0.15, c.currentTime);
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gain.gain.exponentialRampToValueAtTime(0.001, c.currentTime + duration);
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osc.start(c.currentTime);
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osc.stop(c.currentTime + duration);
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}
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function playCard() {
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const c = init();
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if (!c) return;
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const osc = c.createOscillator();
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const gain = c.createGain();
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osc.connect(gain);
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gain.connect(c.destination);
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osc.type = 'sine';
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osc.frequency.setValueAtTime(523, c.currentTime);
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osc.frequency.exponentialRampToValueAtTime(784, c.currentTime + 0.08);
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gain.gain.setValueAtTime(0.12, c.currentTime);
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gain.gain.exponentialRampToValueAtTime(0.001, c.currentTime + 0.15);
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osc.start(c.currentTime);
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osc.stop(c.currentTime + 0.15);
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}
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function attack() {
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const c = init();
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if (!c) return;
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const osc = c.createOscillator();
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const gain = c.createGain();
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osc.connect(gain);
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gain.connect(c.destination);
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osc.type = 'square';
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osc.frequency.value = 180;
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gain.gain.setValueAtTime(0.08, c.currentTime);
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gain.gain.exponentialRampToValueAtTime(0.001, c.currentTime + 0.12);
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osc.start(c.currentTime);
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osc.stop(c.currentTime + 0.12);
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}
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function endTurn() {
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beep(392, 0.06, 'sine', 0.1);
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setTimeout(() => beep(523, 0.08, 'sine', 0.08), 80);
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}
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function victory() {
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const notes = [523, 659, 784, 1047];
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notes.forEach((f, i) => {
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setTimeout(() => beep(f, 0.25, 'sine', 0.12), i * 120);
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});
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}
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function defeat() {
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const notes = [392, 349, 294];
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notes.forEach((f, i) => {
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setTimeout(() => beep(f, 0.2, 'sine', 0.1), i * 150);
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});
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}
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function drawCard() {
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beep(440, 0.06, 'sine', 0.08);
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}
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function hoverCard() {
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beep(600, 0.04, 'sine', 0.05);
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}
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function timerWarning() {
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const c = init();
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if (!c) return;
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const osc = c.createOscillator();
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const gain = c.createGain();
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osc.connect(gain);
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gain.connect(c.destination);
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osc.type = 'sawtooth';
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osc.frequency.setValueAtTime(220, c.currentTime);
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osc.frequency.exponentialRampToValueAtTime(440, c.currentTime + 0.15);
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gain.gain.setValueAtTime(0.08, c.currentTime);
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gain.gain.exponentialRampToValueAtTime(0.001, c.currentTime + 0.2);
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osc.start(c.currentTime);
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osc.stop(c.currentTime + 0.2);
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}
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function timerEnd() {
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const notes = [262, 330, 392];
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notes.forEach((f, i) => {
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setTimeout(() => beep(f, 0.1, 'square', 0.08), i * 80);
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});
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}
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function forge() {
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const c = init();
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if (!c) return;
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const notes = [392, 523, 659, 784];
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notes.forEach((f, i) => {
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setTimeout(() => beep(f, 0.2, 'sine', 0.12), i * 90);
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});
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}
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global.Sounds = {
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init,
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playCard,
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attack,
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endTurn,
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victory,
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defeat,
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drawCard,
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hoverCard,
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timerWarning,
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timerEnd,
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forge,
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};
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})(typeof window !== 'undefined' ? window : globalThis);
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