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MrShoe
09-30-2001, 09:50 PM
Is there any difference if a normal vector is positive or negative?? as in same direction but 180 degress to the other.

Gavin
10-01-2001, 12:33 AM
Well yeah, it goes the other way!
Are you talking about surfaces for lighting? The positive direction (from the plane) is the side which you would call the front.