Calculatiing normals for random terrain
Author
Lo! Are thre any good tutorials out there that cover normal calculations for random terrain. Just got my heightmap to work and the next step I guess is to get correct lighting.
Bad Monkey Productions
Hi, what you want to do isn''t too hard, and is more of a maths problem.
What you need to look into are calculating Vectors, and then calculating the cross products of these two vectors.
There are one or two tutorials here that are okay, but I''d recommend you look at http://www.lighthouse3d.com/opengl/terrain/
They have a section on calculating normals/lighting on terrains.
What you need to look into are calculating Vectors, and then calculating the cross products of these two vectors.
There are one or two tutorials here that are okay, but I''d recommend you look at http://www.lighthouse3d.com/opengl/terrain/
They have a section on calculating normals/lighting on terrains.
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