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Diffstat (limited to 'src/math/axis.cc')
| -rw-r--r-- | src/math/axis.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/math/axis.cc b/src/math/axis.cc index 60d3797..a5ea397 100644 --- a/src/math/axis.cc +++ b/src/math/axis.cc @@ -104,11 +104,8 @@ void Axis::change_roll(const float angle) /* notes: http://mathworld.wolfram.com/RotationFormula.html */ -void Axis::rotate(Vector3f const &normal, float rad) +void Axis::rotate(Vector3f const &normal, float cosa, float sina) { - float cosa = cosf(rad); - float sina = sinf(rad); - for (size_t i = 0; i < 3; i++) { axis_vector[i] = axis_vector[i] * cosa + @@ -116,6 +113,10 @@ void Axis::rotate(Vector3f const &normal, float rad) crossproduct(axis_vector[i], normal) * sina; } } +void Axis::rotate(Vector3f const &normal, float rad) +{ + rotate(normal, cosf(rad), sinf(rad)); +} const Axis Axis::transpose() const { |