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Vector rotation

Started by rpg_code_master Jan 30, 2004 at 9:15 AM 5 replies 1.4k views

Original Post

Jan 30, 2004 at 9:15 AM

Can anyone tell me how to rotate a 3D vector. As in if I have a vector facing the direction 0.2,-2.5,-10.0. How do I rotate it so that it faces say 23 degrees clockwise? And for it to be the same length to!!

_DarkWIng_

Jan 30, 2004 at 9:18 AM

Around what axis?

rpg_code_master

Jan 30, 2004 at 9:18 AM

I was just gonna edit to say any axis

Hairu

Jan 30, 2004 at 9:24 AM

Create a 4x4 matrix to represent the rotation and multiply the vector into it. The resulting vector is the rotated version of the first.

rpg_code_master

Jan 30, 2004 at 9:44 AM

I don''t know anything about matrix math, you wana tell how to do it please?

Dactylos

Jan 30, 2004 at 10:03 AM

Look here, under the topic "Matrices".

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