void MovableObject::callback_rotation(const glm::fquat &rotation) {
orientation_ = rotation;
rotation_matrix_dirty_ = true;
orientation_changed();
matrix_becomes_dirty();
}
void MovableObject::set_rotation(const glm::vec3 &axis, const float angle) {
rotation_matrix_dirty_ = true;
orientation_ = glm::rotate(glm::fquat(1.f, 0.f, 0.f, 0.f), angle, axis);
orientation_changed();
matrix_becomes_dirty();
}
void MovableObject::set_orientation(const glm::fquat &orientation) {
rotation_matrix_dirty_ = true;
orientation_ = orientation;
orientation_changed();
matrix_becomes_dirty();
}
void MovableObject::relative_rotate(const glm::vec3 &axis, const float &angle) {
rotation_matrix_dirty_ = true;
glm::vec3 n_axis = glm::normalize(axis) * sinf(angle/2.f);
glm::fquat offset = glm::fquat(cosf(angle/2.f), n_axis.x, n_axis.y, n_axis.z);
orientation_ = orientation_ * offset;
orientation_ = glm::normalize(orientation_);
orientation_changed();
}
void MovableObject::set_matrix(const glm::mat4 &mat) {
rotation_matrix_dirty_ = true;
translation_matrix_dirty_ = true;
orientation_ = glm::quat_cast(mat);
orientation_changed();
position_ = glm::vec3(glm::column(mat, 3));
position_changed();
matrix_becomes_dirty();
}
