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Merge pull request #39611 from aaronfranke/t2d-rot-atan2 

Simplify and fix Transform2D get_rotation
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Rémi Verschelde 2020-06-17 13:04:30 +02:00 committed by GitHub
parent 02f7908d46 0fa478a050
commit 7cde0e4ab9
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1 changed files with 1 additions and 6 deletions
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7
core/math/transform_2d.cpp
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@ -78,12 +78,7 @@ void Transform2D::set_skew(float p_angle) {
}
real_t Transform2D::get_rotation() const {
real_t det = basis_determinant();
Transform2D m = orthonormalized();
if (det < 0) {
m.scale_basis(Size2(1, -1)); // convention to separate rotation and reflection for 2D is to absorb a flip along y into scaling.
}
return Math::atan2(m[0].y, m[0].x);
return Math::atan2(elements[0].y, elements[0].x);
}
void Transform2D::set_rotation(real_t p_rot) {