利用P-Buffer模拟虚拟场景的后视镜和鸟瞰图
Simulation of Rearview Mirror and Airscape in Virtual Environment with P-Buffer
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摘要: 基于OpenGL的P-Buffer技术,将虚拟场景的后视镜场景和鸟瞰图场景实时渲染为动态纹理,将纹理映射到对应模型,最终实现了对后视镜和鸟瞰图的模拟.在鸟瞰图绘制中,对地形采用了基于Cg语言的凹凸纹理效果,进一步提高了系统的绘制效率.Abstract: Based on P-Buffer technology of OpenGL,scenes of rearview mirror and airscape are rendered in real-time as dynamic texture,and then mapped to the relevant model.For improving efficiency,bump mapping is used to render terrain in Cg language.
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