fix typo otherBasis -> orthoBasis
The original function name in ao.c was orthoBasis.
I guess the function is generating orthonormal basis (https://en.wikipedia.org/wiki/Orthonormal_basis).
@@ -179,7 +179,7 @@ def clamp(f)
i.to_i
end
-def otherBasis(basis, n)
+def orthoBasis(basis, n)
basis[2] = Vec.new(n.x, n.y, n.z)
basis[1] = Vec.new(0.0, 0.0, 0.0)
@@ -211,7 +211,7 @@ class Scene
def ambient_occlusion(isect)
basis = Array.new(3)
- otherBasis(basis, isect.n)
+ orthoBasis(basis, isect.n)
ntheta = NAO_SAMPLES
nphi = NAO_SAMPLES
