遮挡剔除(Occlusion Culling)与视锥体剔除(Frustum Culling)是否可以同时起作用?()
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可以的
Occlusion Culling is a feature that disables rendering of objects when they are not currently seen by the camera because they are obscured by other objects. This does not happen automatically in 3D computer graphics since most of the time objects farthest away from the camera are drawn first and closer objects are drawn over the top of them (this is called "overdraw"). Occlusion Culling is different from Frustum Culling. Frustum Culling only disables the renderers for objects that are outside the camera's viewing area but does not disable anything hidden from view by overdraw. Note that when you use Occlusion Culling you will still benefit from Frustum Culling.
遮挡剔除, 当一个物体被其他物体遮挡住而不在摄像机的可视范围内时不对其进行渲染。.遮挡剔除在3D图形计算中并不是自动进行的。因为在绝大多数情况下离 camera 最远的物体首先被渲染,靠近摄像机的物体后渲染并覆盖先前渲染的物体(这被称为重复渲染"overdraw"). 遮挡剔除不同于视锥体剔除. 视锥体剔除只是不渲染摄像机视角范围外的物体而对于被其他物体遮挡但依然在视角范围内的物体,则不会被剔除. 注意当你使用遮挡剔除时你依然受益于视锥体剔除(Frustum Culling).
原文链接:http://blog.csdn.net/pizi0475/article/details/12883401- 遮挡剔除(Occlusion Culling)与视锥体剔除(Frustum Culling)是否可以同时起作用?()
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