A quaternion: It is equivalent to a rotation matrix.
A quaternion: It is equivalent to a rotation matrix. Warning: code not tested
Sp_Quat(float r1, float x1, float y1, float z1)
Sp_Quat(const Sp_Axis &axe, const float angle)
void Null()
void Id()
void Norme()
float ComputeNorme() const
Sp_Mat4 Mat4() const
void ComposedBy(Sp_Axis &, float &angle) const
Sp_Quat Inverse() const
Sp_Quat operator*(const Sp_Quat &) const
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