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bovinedragon

Line - Triangle Collision and Normals

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bovinedragon    122
Any one have a good link for this? I have read a few sites on this subject, and they use the normal to the plane. I have all the normals of the vertexes, how would I convert this into the normal of the plane? I tried adding up the components, then diving by three. That makes the right vector, but its not normalized right? What is the difference between a normalized normal and a unnormalized one? Isnt it still the same normal, just a different length? Does this affect how it renders(like for lighting)?

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aCynic2    102
Quote:
Original post by bovinedragon
What is the difference between a normalized normal and a unnormalized one? Isnt it still the same normal, just a different length? Does this affect how it renders(like for lighting)?


A normalized vector is a unit vector. It's a mathemactical description of a geometry's orientation.

Unnormalized vectors are typically used to describe magnitude/distance AND direction.

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