56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
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game.bootstrap = (function() {
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const scripts = [
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{ src: ['src/game.js'], id: 'game' },
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];
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const assets = {
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bigblue: 'assets/image/bigblue.png',
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};
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const loadScripts = function(onDone) {
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while (scripts.length) {
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let script = scripts.shift();
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require(script.src, () => {
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onDone(script);
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});
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}
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console.log('scripts loaded');
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}
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const loadAsset = (source) => {
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let fileExtension = source.substr(source.lastIndexOf('.') + 1);
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return fetch(source)
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.then((r) => r.blob())
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.then((r) => {
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let asset;
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if (["png", "jpg", "jpeg"].includes(fileExtension)) {
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asset = new Image();
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} else if (["mp3"].includes(fileExtension)) {
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asset = new Audio();
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}
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asset.src = URL.createObjectURL(r);
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return asset;
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})
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}
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const loadAssets = function() {
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const promises = [];
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for (let key in assets) {
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promises.push(loadAsset(assets[key], (asset) => {
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game.assets[key] = asset;
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}, (error) => {
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console.log(error)
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}));
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}
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return Promise.all(Object.keys(assets).map((key) => {
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return loadAsset(assets[key]).then((asset) => game.assets[key] = asset);
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}));
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}
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game.assets = {};
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loadAssets().then(() => {
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loadScripts((script) => {
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game.initialize();
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});
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})
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})();
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