85 lines
3.8 KiB
JavaScript
85 lines
3.8 KiB
JavaScript
var WebGLFullscreen = {
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WebGLFullscreenInject: function () {
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document.setFullScreenByElement = function (container, canvas, keepAspectRatio) {
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// set fullscreen
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var setFullScreen = function (element) {
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(element.webkitRequestFullscreen ||
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element.requestFullscreen ||
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element.mozRequestFullScreen ||
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element.msRequestFullscreen).call(element)
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}
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// get fullscreen state
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var getFullscreen = function () {
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var doc = window.document;
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var objFullScreen = doc.fullscreenElement || doc.mozFullScreenElement || doc.webkitFullscreenElement || doc.msFullscreenElement;
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return (objFullScreen);
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}
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// add fullscreenchange event handle
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var addEventFullscreenChange = function (callback) {
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document.addEventListener("fullscreenchange", callback, false);
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document.addEventListener("webkitfullscreenchange", callback, false);
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document.addEventListener("mozfullscreenchange", callback, false);
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document.addEventListener("MSFullscreenChange", callback, false);
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}
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// remove fullscreenchange event handle
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var removeEventFullscreenChange = function (callback) {
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document.removeEventListener("fullscreenchange", callback, false);
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document.removeEventListener("webkitfullscreenchange", callback, false);
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document.removeEventListener("mozfullscreenchange", callback, false);
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document.removeEventListener("MSFullscreenChange", callback, false);
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}
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var beforeStyle = canvas.style;
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var beforeWidth = parseInt(beforeStyle.width);
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var beforeHeight = parseInt(beforeStyle.height);
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// recv fullscreen function
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var fullscreenFunc = function () {
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if (getFullscreen()) {
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if (keepAspectRatio) {
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var ratio = Math.min(window.screen.width / beforeWidth, window.screen.height / beforeHeight);
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var width = Math.floor(beforeWidth * ratio);
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var height = Math.floor(beforeHeight * ratio);
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canvas.style.width = width + 'px';
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canvas.style.height = height + 'px';;
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} else {
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canvas.style.width = window.screen.width + 'px';;
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canvas.style.height = window.screen.height + 'px';;
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}
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} else {
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canvas.style.width = beforeWidth + 'px';;
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canvas.style.height = beforeHeight + 'px';;
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// remove this function
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removeEventFullscreenChange(fullscreenFunc);
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}
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}
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// listener fullscreen event
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addEventFullscreenChange(fullscreenFunc);
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// fullscreen
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setFullScreen(container)
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}
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document.setFullscreen = function (containerId, canvasId, keepAspectRatio) {
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var container = document.getElementById(containerId);
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var canvas = document.getElementById(canvasId);
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document.setFullScreenByElement(container, canvas, keepAspectRatio)
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}
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},
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WebGLSetFullscreen: function () {
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var container = document.getElementById('unity-container');
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var canvas = document.getElementById('unity-canvas');
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var keepAspectRatio = false;
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document.setFullScreenByElement(container, canvas, keepAspectRatio);
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},
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WebGLSetFullscreen2019: function () {
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document.makeFullscreen('unityContainer');
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},
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}
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mergeInto(LibraryManager.library, WebGLFullscreen); |