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joshuazt/aim normals along surface in a direction

Last active May 11, 2022 05:57
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aim normals along surface in a direction
vector dir = chv('dir');
float angle = dot(@N, dir);
float fitangle = fit(angle, -1, 1, 0, 1);
float blend = chramp('blend', fitangle);
@Cd = blend;
vector tmp = cross(@N, dir);
vector cross = cross(@N, tmp);
v@N = lerp(@N, cross, blend);
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