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| author | Oz Linden <oz@lindenlab.com> | 2011-03-29 19:19:24 -0400 |
|---|---|---|
| committer | Oz Linden <oz@lindenlab.com> | 2011-03-29 19:19:24 -0400 |
| commit | 9c0757511ec4ed12b47c6d3fd2ef20fca6828a6e (patch) | |
| tree | f1e08f8c3ade8afc4c83a1574c0d54ac6c224ed1 /indra/llmath | |
| parent | 32012f9fd4e9a5cb37f3a91d79873b79b9e6531e (diff) | |
| parent | 6faf2f8ee101162fdb1fe5959204055c9885968f (diff) | |
merge changes for storm-1077
Diffstat (limited to 'indra/llmath')
| -rw-r--r-- | indra/llmath/v3math.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/indra/llmath/v3math.h b/indra/llmath/v3math.h index dbd38c1c3f..ef002fe9f2 100644 --- a/indra/llmath/v3math.h +++ b/indra/llmath/v3math.h @@ -156,6 +156,8 @@ F32 dist_vec(const LLVector3 &a, const LLVector3 &b); // Returns distance betwe F32 dist_vec_squared(const LLVector3 &a, const LLVector3 &b);// Returns distance squared between a and b F32 dist_vec_squared2D(const LLVector3 &a, const LLVector3 &b);// Returns distance squared between a and b ignoring Z component LLVector3 projected_vec(const LLVector3 &a, const LLVector3 &b); // Returns vector a projected on vector b +LLVector3 parallel_component(const LLVector3 &a, const LLVector3 &b); // Returns vector a projected on vector b (same as projected_vec) +LLVector3 orthogonal_component(const LLVector3 &a, const LLVector3 &b); // Returns component of vector a not parallel to vector b (same as projected_vec) LLVector3 lerp(const LLVector3 &a, const LLVector3 &b, F32 u); // Returns a vector that is a linear interpolation between a and b inline LLVector3::LLVector3(void) @@ -490,6 +492,17 @@ inline LLVector3 projected_vec(const LLVector3 &a, const LLVector3 &b) return project_axis * (a * project_axis); } +inline LLVector3 parallel_component(const LLVector3 &a, const LLVector3 &b) +{ + return projected_vec(a, b); +} + +inline LLVector3 orthogonal_component(const LLVector3 &a, const LLVector3 &b) +{ + return a - projected_vec(a, b); +} + + inline LLVector3 lerp(const LLVector3 &a, const LLVector3 &b, F32 u) { return LLVector3( |