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‎docs/post/WIN10-an-zhuang-pyopengl 64-wei.html‎

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<meta property="og:url" content="https://blog.meekdai.com/post/WIN10-an-zhuang-pyopengl%2064-wei.html">
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<meta property="og:image" content="https://blog.meekdai.com/avatar.svg">
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<title>WIN10安装pyopengl 64位</title>
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<link href="//unpkg.com/@wooorm/[email protected]/style/both.css" rel="stylesheet" />
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</head>
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body {padding: 8px;}
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.postTitle{font-size:24px;}
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}
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background-color: var(--color-fg-muted);
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</style>
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@@ -88,39 +98,37 @@ <h1 class="postTitle">WIN10安装pyopengl 64位</h1>
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</div>
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<div id="content">
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<div class="markdown-body" id="postBody"><p>通过python的 <code class="notranslate">pip install pyopengl</code>指令在win10 64位的系统上安装后，运行官方茶壶的例子，会出现如下报错：</p>
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<pre lang="python" class="notranslate"><code class="notranslate">OpenGL.error.NullFunctionError: Attempt to call an undefined function glutInitDisplayMode, check for bool(glutInitDisplayMode) before calling
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OpenGL.error.NullFunctionError: Attempt to call an undefined function
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</code></pre>
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<div class="highlight highlight-source-python"><pre class="notranslate"><span class="pl-v">OpenGL</span>.<span class="pl-s1">error</span>.<span class="pl-v">NullFunctionError</span>: <span class="pl-v">Attempt</span> <span class="pl-s1">to</span> <span class="pl-s1">call</span> <span class="pl-s1">an</span> <span class="pl-s1">undefined</span> <span class="pl-s1">function</span> <span class="pl-s1">glutInitDisplayMode</span>, <span class="pl-s1">check</span> <span class="pl-s1">for</span> <span class="pl-en">bool</span>(<span class="pl-s1">glutInitDisplayMode</span>) <span class="pl-s1">before</span> <span class="pl-s1">calling</span>
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<span class="pl-v">OpenGL</span>.<span class="pl-s1">error</span>.<span class="pl-v">NullFunctionError</span>: <span class="pl-v">Attempt</span> <span class="pl-s1">to</span> <span class="pl-s1">call</span> <span class="pl-s1">an</span> <span class="pl-s1">undefined</span> <span class="pl-s1">function</span></pre></div>
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<p>这些都是因为通过pip安装的版本是32位导致的，我看了很多网上的解决办法说是手动下载64位的包安装即可解决。但是我按要求下载64位的包后，通过 <code class="notranslate">pip install XXX.whl</code>本地安装的方式，却提示我64位的pyopengl已经安装，无需重复安装。让我在这个坑里面跳了好久没跳出来。</p>
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<p>最后的解决办法是，你需要先卸载已经安装好的pyopengl，再手动安装一下才行。所以在这里记录一下，以便有其他人遇到同样的坑。<br>
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这里给一下手动下载的地址：<a href="https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyopengl" rel="nofollow">pyopengl</a></p>
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<p>也顺便贴一下官方的测试茶壶代码：</p>
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<pre lang="python" class="notranslate"><code class="notranslate">from OpenGL.GL import *
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from OpenGL.GLU import *
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from OpenGL.GLUT import *
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<div class="highlight highlight-source-python"><pre class="notranslate"><span class="pl-k">from</span> <span class="pl-v">OpenGL</span>.<span class="pl-v">GL</span> <span class="pl-k">import</span> <span class="pl-c1">*</span>
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<span class="pl-k">from</span> <span class="pl-v">OpenGL</span>.<span class="pl-v">GLU</span> <span class="pl-k">import</span> <span class="pl-c1">*</span>
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<span class="pl-k">from</span> <span class="pl-v">OpenGL</span>.<span class="pl-v">GLUT</span> <span class="pl-k">import</span> <span class="pl-c1">*</span>
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def drawFunc():
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#清楚之前画面
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glClear(GL_COLOR_BUFFER_BIT)
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glRotatef(0.1, 5, 5, 0) #(角度,x,y,z)
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glutWireTeapot(0.5)
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#刷新显示
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glFlush()
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<span class="pl-k">def</span> <span class="pl-en">drawFunc</span>():
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<span class="pl-c">#清楚之前画面</span>
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<span class="pl-en">glClear</span>(<span class="pl-v">GL_COLOR_BUFFER_BIT</span>)
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<span class="pl-en">glRotatef</span>(<span class="pl-c1">0.1</span>, <span class="pl-c1">5</span>, <span class="pl-c1">5</span>, <span class="pl-c1">0</span>) <span class="pl-c">#(角度,x,y,z)</span>
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<span class="pl-en">glutWireTeapot</span>(<span class="pl-c1">0.5</span>)
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<span class="pl-c">#刷新显示</span>
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<span class="pl-en">glFlush</span>()
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#使用glut初始化OpenGL
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glutInit()
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#显示模式:GLUT_SINGLE无缓冲直接显示|GLUT_RGBA采用RGB(A非alpha)
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glutInitDisplayMode(GLUT_SINGLE | GLUT_RGBA)
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#窗口位置及大小-生成
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glutInitWindowPosition(0,0)
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glutInitWindowSize(400,400)
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glutCreateWindow(b"first")
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#调用函数绘制图像
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glutDisplayFunc(drawFunc)
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glutIdleFunc(drawFunc)
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#主循环
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glutMainLoop()
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</code></pre>
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<span class="pl-c">#使用glut初始化OpenGL</span>
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<span class="pl-en">glutInit</span>()
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<span class="pl-c">#显示模式:GLUT_SINGLE无缓冲直接显示|GLUT_RGBA采用RGB(A非alpha)</span>
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<span class="pl-en">glutInitDisplayMode</span>(<span class="pl-v">GLUT_SINGLE</span> <span class="pl-c1">|</span> <span class="pl-v">GLUT_RGBA</span>)
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<span class="pl-c">#窗口位置及大小-生成</span>
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<span class="pl-en">glutInitWindowPosition</span>(<span class="pl-c1">0</span>,<span class="pl-c1">0</span>)
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<span class="pl-en">glutInitWindowSize</span>(<span class="pl-c1">400</span>,<span class="pl-c1">400</span>)
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<span class="pl-en">glutCreateWindow</span>(<span class="pl-s">b"first"</span>)
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<span class="pl-c">#调用函数绘制图像</span>
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<span class="pl-en">glutDisplayFunc</span>(<span class="pl-s1">drawFunc</span>)
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<span class="pl-en">glutIdleFunc</span>(<span class="pl-s1">drawFunc</span>)
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<span class="pl-c">#主循环</span>
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<span class="pl-en">glutMainLoop</span>()</pre></div>
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<p>python的pyopengl配合pygame还是很香的，有空多学习学习。下面放一张最近做的一个小东西，具体是干嘛用的，之后应该会有文章详细介绍。@(滑稽)</p>
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<p><a target="_blank" rel="noopener noreferrer" href="https://github.com/Meekdai/meekdai.github.io/assets/11755104/3d227e8c-77ef-4044-9331-e2d7a77af4c2"><img src="https://github.com/Meekdai/meekdai.github.io/assets/11755104/3d227e8c-77ef-4044-9331-e2d7a77af4c2" alt="pyeuler" style="max-width: 100%;"></a></p></div>
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<div style="font-size:small;margin-top:8px;float:right;">❤️ 转载文章请注明出处，谢谢！❤️</div>
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