vector3 scene_nodes_translation_data::get_shift(vector3 const& new_plane_point)
{
if (!is_plain_point_valid())
{
set_plain_point(new_plane_point);
return vector3_zero();
}
vector3 shift = new_plane_point - m_plain_point;
set_plain_point(new_plane_point);
return reduce_shift_vector(shift);
}
/**
* @brief Multiply a vector by a matrix, returns a vector
*
* @param self The vector being multiplied
* @param mT The matrix used to do the multiplication
*/
HYPAPI vector3 * vector3_multiplym4(vector3 *self, const matrix4 *mT)
{
vector3 vR;
vector3_zero(&vR);
vR.x = self->x * mT->c00 + self->y * mT->c01 + self->z * mT->c02 + mT->c03;
vR.y = self->x * mT->c10 + self->y * mT->c11 + self->z * mT->c12 + mT->c13;
vR.z = self->x * mT->c20 + self->y * mT->c21 + self->z * mT->c22 + mT->c23;
vector3_set(self, &vR);
return self;
}
