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James Gregory 2013-12-30 20:26:41 +11:00
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[Previous](61-02.html) [Table of Contents](index.html) [Next](61-04.html)
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Why does this matter? It matters because, on average, half the polygons
in any scene are facing away from the viewer, and hence shouldn't be
drawn. One way to identify such polygons is to see whether they're
@ -107,11 +103,3 @@ understand the use of the dot product for projection.
![](images/61-05.jpg)\
**Figure 61.5**  *Backface culling with the dot product.*
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[Previous](61-02.html) [Table of Contents](index.html) [Next](61-04.html)
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* * * * *
Graphics Programming Black Book © 2001 Michael Abrash