Created
December 5, 2016 01:09
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Super simple texture cache for THREE.js to avoid multiple network downloads and potentially GPU uploads
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| let textureLoader = { | |
| webLoader: new THREE.TextureLoader(), | |
| cache: {}, | |
| useCache: true, | |
| getTexture: function (url) { | |
| let cache = this.cache; | |
| let webLoader = this.webLoader; | |
| if (!cache[url]) { | |
| cache[url] = new Promise(function (resolve, reject) { | |
| webLoader.setCrossOrigin('Access-Control-Allow-Origin'); | |
| webLoader.load(url, function (texture) { | |
| // When the texture is ready, simply supply it. | |
| resolve(texture); | |
| }, function (xhr) { | |
| // No progress indications | |
| }, function (xhr) { | |
| // Failed to load the texture for some reason. | |
| reject() | |
| }); | |
| }); | |
| } | |
| // Have a way to turn off the caching. | |
| let cachedTexture = cache[url]; | |
| if (!this.useCache) { | |
| delete cache[url]; | |
| } | |
| return cachedTexture; | |
| } | |
| }; |
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