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noxa

Distance algorithms and procedural textures

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Hello, this question may seem quite childish, but keep in mind I''m 15 :-) I need to get the distance between two vectors in a 3D space, how would I go about doing that? I know the 2D formula but don''t know how to apply it in 3D. Also, I''ve been doing a bit of research into procedural texturing lately, and have a wealth of information on ''how to go about theorizing about thinking about actually someday possibly pondering'' implementing them into a program (hehe most articles on the net are like this ;-) but nothing really useful. Does anyone have or know of any samples programs (with code of course) that show off how to use them? Thanks for any help!

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The distance between any two points in space is the square root of the sum of the difference in the components squared. (components is the wrong word...)

in 2d space:

sqrt ((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1))

in 3d space:

sqrt ((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1) + (z2 - z1) * (z2 - z1))

Tim

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