使用PyOpenGL渲染SceneGraph

本文介绍了使用PyOpenGL渲染SceneGraph的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正在使用OpenGLContext将VRML文件加载到SceneGraph对象中.不幸的是，对于我一生，我找不到任何显示如何渲染SceneGraph的示例.

I'm using OpenGLContext to load a VRML file into a SceneGraph object. Unfortunately, for the life of me I can't find any example showing how to render the SceneGraph.

我已经用testcontext.getInteractive()创建了一个上下文，但是现在呢?如何渲染SceneGraph?

I've created a context with testcontext.getInteractive(), but now what? How do I render a SceneGraph?

推荐答案

它的文献资料很少.所有需要做的就是创建一个上下文类并设置其sg字段，如下所示:

It's quite poorly documented. All that needs to be done is create a context class and set its sg field, like so:

def MyContext(BaseContext):
    def OnInit(self):
        self.sg = ... load your scene graph here ...

    def OnRender(self, mode):
        return

就是这样，场景已正确渲染.

And that's it, the scene is rendered properly.

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