示例#1
0
文件: basis.cpp 项目: ISylvox/godot
void Basis::get_rotation_axis_angle_local(Vector3 &p_axis, real_t &p_angle) const {
	// Assumes that the matrix can be decomposed into a proper rotation and scaling matrix as M = R.S,
	// and returns the Euler angles corresponding to the rotation part, complementing get_scale().
	// See the comment in get_scale() for further information.
	Basis m = transposed();
	m.orthonormalize();
	real_t det = m.determinant();
	if (det < 0) {
		// Ensure that the determinant is 1, such that result is a proper rotation matrix which can be represented by Euler angles.
		m.scale(Vector3(-1, -1, -1));
	}

	m.get_axis_angle(p_axis, p_angle);
	p_angle = -p_angle;
}
示例#2
0
Basis Basis::orthonormalized() const {

	Basis c = *this;
	c.orthonormalize();
	return c;
}