What is Back-face Culling? - Computer Hope
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Back-face culling is a method in computer graphics programming which determines whether a polygon of a graphical object is visible. SkiptoMainContent HomeDictionaryB-Definitions Back-faceculling Updated:04/26/2017byComputerHope Back-facecullingisamethodincomputergraphicsprogrammingwhichdetermineswhetherapolygonofagraphicalobjectisvisible.Ifnotvisible,thepolygonis"culled"fromrenderingprocess,whichincreasesefficiencybyreducingthenumberofpolygonsthatthehardwarehastodraw. Theverticesoffront-facingpolygonswindinaclockwisefashion.Thisway,polygonsthatfaceawayfromthecameraareinacounter-clockwiseorderrelativetothecurrentview.Whenback-facesareculled,thesepolygonsarenotdrawn. Note Theprocessissimilartoclipping,whichdeterminesifpolygonsareinthecamera'sfieldofview,andifnot,arenotrendered. Computergraphic,Programmingterms Wasthispageuseful?YesNoFeedbackE-mailSharePrint
延伸文章資訊
- 1Face culling - LearnOpenGL
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其中在遊戲設計中,剔除又可細分為三類:不可見剔除(visibility culling)、遮擋剔除(occlusion culling)、背面剔除(backface culling)。