Unity打包Webgl端进行全屏幕自适应_unitywebgl全屏,unity打包webgl资源-CSDN文库

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html：1个

css：1个

需积分: 5 184 浏览量 2024-06-01 17:34:20 上传评论 1 收藏 2KB RAR 举报

在Unity中将项目打包成WebGL格式，是为了让游戏或应用程序能在网页上运行，而全屏自适应则是提升用户体验的关键因素。本篇文章将详细介绍如何在Unity中实现WebGL端的全屏幕自适应，并关注`index.html`和`style.css`这两个关键文件的作用。一、Unity WebGL打包设置在Unity编辑器中，首先需要对项目进行打包设置。选择`File` -> `Build Settings`，在弹出的窗口中选择`WebGL`平台，然后点击`Switch Platform`切换到WebGL。接着，点击`Player Settings`，在`WebGL Settings`选项卡中，确保`Build`和`Optimize Build`选项都已勾选。二、index.html的作用 `index.html`是WebGL应用的入口文件，它定义了网页的基本结构，并加载Unity生成的WebGL构建输出。为了实现全屏幕自适应，我们需要在`index.html`中添加响应式布局代码。通常，会在`<head>`部分添加以下CSS样式： ```html <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> ``` 这段代码使得网页宽度始终等于设备的宽度，并保持初始缩放比例为1，不允许用户手动缩放。三、style.css的使用 `style.css`是用于定义网页样式的文件，我们可以在这里编写CSS规则来实现全屏幕自适应。以下是一个基本的全屏布局示例： ```css body { margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden; } canvas { display: block; width: 100%; height: 100%; } ``` 这段CSS代码设置了`body`元素和`canvas`元素（Unity的渲染区域）全屏显示，移除了默认的边距和填充，同时隐藏了滚动条以防止出现不必要的滚动行为。四、JavaScript交互除了CSS之外，我们可能还需要在`index.html`中通过JavaScript进行一些动态调整。例如，当窗口尺寸变化时，可以监听`resize`事件来实时更新Unity canvas的大小： ```html <script> window.addEventListener('resize', function() { var canvas = document.querySelector('canvas'); canvas.width = window.innerWidth; canvas.height = window.innerHeight; }); </script> ``` 五、优化全屏体验为了提高用户体验，可以考虑在用户点击全屏按钮时，利用浏览器的全屏API进入全屏模式。这需要在JavaScript中添加相应代码： ```javascript function requestFullScreen(element) { if (element.requestFullscreen) { element.requestFullscreen(); } else if (element.mozRequestFullScreen) { element.mozRequestFullScreen(); } else if (element.webkitRequestFullscreen) { element.webkitRequestFullscreen(); } } // 在某个按钮的点击事件中调用此函数，传入canvas元素 requestFullScreen(canvas); ``` 六、注意事项 1. 请确保在不同的设备和浏览器上测试你的WebGL应用，因为不同的浏览器对WebGL和CSS的支持程度可能有所不同。 2. 针对移动设备，可能需要考虑横竖屏切换的适配。 3. 考虑性能优化，如减少不必要的渲染或使用WebGL的批处理技术。通过以上步骤，我们可以实现Unity WebGL应用在不同设备上的全屏幕自适应，提供更好的跨平台浏览体验。记得根据具体项目需求进行适当的调整和优化。

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Bulid.rar （2个子文件）

style.css 2KB

index - 副本.html 5KB

<!DOCTYPE html> <html lang="en-us"> <head> <meta charset="utf-8"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Unity Web Player | TestWebGL</title> <link rel="shortcut icon" href="TemplateData/favicon.ico"> <link rel="stylesheet" href="TemplateData/style.css"> </head> <body> <div id="unity-container" style="width: 100%;height:100%"> <canvas id="unity-canvas" width=auto height=auto></canvas> <div id="unity-loading-bar"> <div id="unity-logo"></div> <div id="unity-progress-bar-empty"> <div id="unity-progress-bar-full"></div> </div> </div> <div id="unity-warning"> </div> <div id="unity-footer"> <div id="unity-logo-title-footer"></div> <div id="unity-fullscreen-button"></div> <div id="unity-build-title">TestWebGL</div> </div> </div> <script> var canvas = document.querySelector("#unity-canvas"); // Shows a temporary message banner/ribbon for a few seconds, or // a permanent error message on top of the canvas if type=='error'. // If type=='warning', a yellow highlight color is used. // Modify or remove this function to customize the visually presented // way that non-critical warnings and error messages are presented to the // user. function unityShowBanner(msg, type) { var warningBanner = document.querySelector("#unity-warning"); function updateBannerVisibility() { warningBanner.style.display = warningBanner.children.length ? 'block' : 'none'; } var div = document.createElement('div'); div.innerHTML = msg; warningBanner.appendChild(div); if (type == 'error') div.style = 'background: red; padding: 10px;'; else { if (type == 'warning') div.style = 'background: yellow; padding: 10px;'; setTimeout(function() { warningBanner.removeChild(div); updateBannerVisibility(); }, 5000); } updateBannerVisibility(); } var buildUrl = "Build"; var loaderUrl = buildUrl + "/Bulid.loader.js"; var config = { arguments: [], dataUrl: buildUrl + "/Bulid.data.unityweb", frameworkUrl: buildUrl + "/Bulid.framework.js.unityweb", codeUrl: buildUrl + "/Bulid.wasm.unityweb", streamingAssetsUrl: "StreamingAssets", companyName: "DefaultCompany", productName: "TestWebGL", productVersion: "0.1", showBanner: unityShowBanner, }; // By default, Unity keeps WebGL canvas render target size matched with // the DOM size of the canvas element (scaled by window.devicePixelRatio) // Set this to false if you want to decouple this synchronization from // happening inside the engine, and you would instead like to size up // the canvas DOM size and WebGL render target sizes yourself. // config.matchWebGLToCanvasSize = false; if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) { // Mobile device style: fill the whole browser client area with the game canvas: var meta = document.createElement('meta'); meta.name = 'viewport'; meta.content = 'width=device-width, height=device-height, initial-scale=1.0, user-scalable=no, shrink-to-fit=yes'; document.getElementsByTagName('head')[0].appendChild(meta); document.querySelector("#unity-container").className = "unity-mobile"; canvas.className = "unity-mobile"; // To lower canvas resolution on mobile devices to gain some // performance, uncomment the following line: // config.devicePixelRatio = 1; } else { // Desktop style: Render the game canvas in a window that can be maximized to fullscreen: canvas.style.width = "100%"; canvas.style.height = "100%"; } document.querySelector("#unity-loading-bar").style.display = "block"; var script = document.createElement("script"); script.src = loaderUrl; script.onload = () => { createUnityInstance(canvas, config, (progress) => { document.querySelector("#unity-progress-bar-full").style.width = 100 * progress + "%"; }).then((unityInstance) => { document.querySelector("#unity-loading-bar").style.display = "none"; document.querySelector("#unity-fullscreen-button").onclick = () => { unityInstance.SetFullscreen(1); }; }).catch((message) => { alert(message); }); }; document.body.appendChild(script); </script> </body> </html>

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