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basic question

what are surface normals, how do I calculate them?
[71 byte] By [toytic] at [2007-9-26 1:16:01]
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# 1
a surface normal is a vector which is perpendicular to a surface. You can compute them by calculating a cross product of two vectors. Or you can use Sun's Java3D utility class com.sun.j3d.utils.geometry.NormalGenerator.Masa
TakatsukaM at 2007-6-29 0:43:14 > top of Java-index,Security,Cryptography...
# 2
thanks :) easy and essential
toytic at 2007-6-29 0:43:14 > top of Java-index,Security,Cryptography...
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