aboutsummaryrefslogtreecommitdiff
path: root/files/zh-cn/web/api/webglrenderingcontext/cleardepth
diff options
context:
space:
mode:
authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
commit33058f2b292b3a581333bdfb21b8f671898c5060 (patch)
tree51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/webglrenderingcontext/cleardepth
parent8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff)
downloadtranslated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.gz
translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.bz2
translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.zip
initial commit
Diffstat (limited to 'files/zh-cn/web/api/webglrenderingcontext/cleardepth')
-rw-r--r--files/zh-cn/web/api/webglrenderingcontext/cleardepth/index.html75
1 files changed, 75 insertions, 0 deletions
diff --git a/files/zh-cn/web/api/webglrenderingcontext/cleardepth/index.html b/files/zh-cn/web/api/webglrenderingcontext/cleardepth/index.html
new file mode 100644
index 0000000000..a663975cc2
--- /dev/null
+++ b/files/zh-cn/web/api/webglrenderingcontext/cleardepth/index.html
@@ -0,0 +1,75 @@
+---
+title: WebGLRenderingContext.clearDepth()
+slug: Web/API/WebGLRenderingContext/clearDepth
+tags:
+ - WebGL
+ - 深度清除值
+translation_of: Web/API/WebGLRenderingContext/clearDepth
+---
+<div>{{APIRef("WebGL")}}</div>
+
+<p><a href="/en-US/docs/Web/API/WebGL_API">WebGL API</a>的<strong><code>WebGLRenderingContext.clearDepth()</code></strong> 方法用于设置深度缓冲区的深度清除值。</p>
+
+<p>这个深度清除值的设定,是为了调用{{domxref("WebGLRenderingContext.clear", "clear()")}} 的时候使用,这个值的范围是0到1。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">void <var>gl</var>.clearDepth(<var>depth</var>);
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>depth</code></dt>
+ <dd>类型:{{domxref("GLclampf")}}。 深度值的设定,是当清除深度缓冲区的时候使用。默认值为1。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>None.</p>
+
+<h2 id="样例">样例</h2>
+
+<pre class="brush: js">gl.clearDepth(0.5);
+</pre>
+
+<p>若要获取当前深度清除值,查询<code>DEPTH_CLEAR_VALUE</code> 常量。</p>
+
+<pre class="brush: js">gl.getParameter(gl.DEPTH_CLEAR_VALUE);
+// 0.5</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('WebGL', "#5.14.3", "clearDepth")}}</td>
+ <td>{{Spec2('WebGL')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('OpenGL ES 2.0', "glClearDepthf.xml", "glClearDepthf")}}</td>
+ <td>{{Spec2('OpenGL ES 2.0')}}</td>
+ <td>Man page of the OpenGL API.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("api.WebGLRenderingContext.clearDepth")}}</p>
+
+<h2 id="另见">另见</h2>
+
+<ul>
+ <li>{{domxref("WebGLRenderingContext.clear()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.clearColor()")}}</li>
+ <li>{{domxref("WebGLRenderingContext.clearStencil()")}}</li>
+</ul>