diff options
Diffstat (limited to 'core/math/matrix3.cpp')
| -rw-r--r-- | core/math/matrix3.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/core/math/matrix3.cpp b/core/math/matrix3.cpp index 9732a1ff37..4051de7afb 100644 --- a/core/math/matrix3.cpp +++ b/core/math/matrix3.cpp @@ -234,7 +234,22 @@ Basis Basis::scaled(const Vector3 &p_scale) const { return m; } +void Basis::set_scale(const Vector3 &p_scale) { + + set_axis(0, get_axis(0).normalized() * p_scale.x); + set_axis(1, get_axis(1).normalized() * p_scale.y); + set_axis(2, get_axis(2).normalized() * p_scale.z); +} + Vector3 Basis::get_scale() const { + + return Vector3( + Vector3(elements[0][0], elements[1][0], elements[2][0]).length(), + Vector3(elements[0][1], elements[1][1], elements[2][1]).length(), + Vector3(elements[0][2], elements[1][2], elements[2][2]).length()); +} + +Vector3 Basis::get_signed_scale() const { // FIXME: We are assuming M = R.S (R is rotation and S is scaling), and use polar decomposition to extract R and S. // A polar decomposition is M = O.P, where O is an orthogonal matrix (meaning rotation and reflection) and // P is a positive semi-definite matrix (meaning it contains absolute values of scaling along its diagonal). |