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| author | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2018-01-13 03:51:33 +0100 |
|---|---|---|
| committer | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2018-01-13 03:51:34 +0100 |
| commit | 6f67371bb1b46579ae837d0e0c61ac1b291be743 (patch) | |
| tree | 5a43692a064d84e5c5688b1b3639342555139c3c /external/include/glm/gtx/spline.inl | |
| parent | Backported to C++14 (diff) | |
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Diffstat (limited to 'external/include/glm/gtx/spline.inl')
| -rw-r--r-- | external/include/glm/gtx/spline.inl | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/external/include/glm/gtx/spline.inl b/external/include/glm/gtx/spline.inl new file mode 100644 index 0000000..fcd3382 --- /dev/null +++ b/external/include/glm/gtx/spline.inl @@ -0,0 +1,63 @@ +/// @ref gtx_spline +/// @file glm/gtx/spline.inl + +namespace glm +{ + template <typename genType> + GLM_FUNC_QUALIFIER genType catmullRom + ( + genType const & v1, + genType const & v2, + genType const & v3, + genType const & v4, + typename genType::value_type const & s + ) + { + typename genType::value_type s1 = s; + typename genType::value_type s2 = pow2(s); + typename genType::value_type s3 = pow3(s); + + typename genType::value_type f1 = -s3 + typename genType::value_type(2) * s2 - s; + typename genType::value_type f2 = typename genType::value_type(3) * s3 - typename genType::value_type(5) * s2 + typename genType::value_type(2); + typename genType::value_type f3 = typename genType::value_type(-3) * s3 + typename genType::value_type(4) * s2 + s; + typename genType::value_type f4 = s3 - s2; + + return (f1 * v1 + f2 * v2 + f3 * v3 + f4 * v4) / typename genType::value_type(2); + + } + + template <typename genType> + GLM_FUNC_QUALIFIER genType hermite + ( + genType const & v1, + genType const & t1, + genType const & v2, + genType const & t2, + typename genType::value_type const & s + ) + { + typename genType::value_type s1 = s; + typename genType::value_type s2 = pow2(s); + typename genType::value_type s3 = pow3(s); + + typename genType::value_type f1 = typename genType::value_type(2) * s3 - typename genType::value_type(3) * s2 + typename genType::value_type(1); + typename genType::value_type f2 = typename genType::value_type(-2) * s3 + typename genType::value_type(3) * s2; + typename genType::value_type f3 = s3 - typename genType::value_type(2) * s2 + s; + typename genType::value_type f4 = s3 - s2; + + return f1 * v1 + f2 * v2 + f3 * t1 + f4 * t2; + } + + template <typename genType> + GLM_FUNC_QUALIFIER genType cubic + ( + genType const & v1, + genType const & v2, + genType const & v3, + genType const & v4, + typename genType::value_type const & s + ) + { + return ((v1 * s + v2) * s + v3) * s + v4; + } +}//namespace glm |