78 lines
1.6 KiB
JavaScript
78 lines
1.6 KiB
JavaScript
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// Counter for hash generation
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let _hashCounter = 0;
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class SoundSnippet {
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/**
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* Load a sound asset to a snipper
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* @param {string} asset_name Asset name as defined in soundassetmap.js
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*/
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constructor(asset_name) {
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// Store asset name
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this.asset_name = asset_name;
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// Compute an asset hash
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this.asset_hash = CryptoJS.MD5(`ASSET:${asset_name}::${_hashCounter}`);
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_hashCounter += 1;
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// Read actual asset path
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this.assetPath = soundAssetMap[asset_name];
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}
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/**
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* Cache this sound, then notify a callback of completion
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* @param {function} callback callback to notify
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*/
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cache(callback) {
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// Set the audio SRC
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this.audio = new Howl({src:[this.assetPath]});
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// Create a callback for loading finished
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this.audio.once("load", callback);
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}
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play() {
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// If autoplay is disabled, we notify the console
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if (canPlayAudio()) {
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// Play the snippet
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this.audio.play();
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} else {
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console.warn("[SoundSnippet] Tried to play audio with autoplay disabled. The user must press the play button before you can play audio");
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}
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}
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stop() {
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// Stop the snippet
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this.audio.stop();
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}
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/**
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* Get the sound length in seconds
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*/
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getLengthSeconds() {
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return this.audio.duration;
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}
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/**
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* Get the asset name
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*/
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getName() {
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return this.asset_name;
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}
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/**
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* Get this asset's hash. This can be used for comparing objects efficiently.
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*/
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getHash() {
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return this.asset_hash;
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}
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} |