SpatialMotionVector SpatialMotionVector::cross(const SpatialMotionVector& other) const { SpatialMotionVector res; res.getLinearVec3() = this->angularVec3.cross(other.getLinearVec3()) + this->linearVec3.cross(other.getAngularVec3()); res.getAngularVec3() = this->angularVec3.cross(other.getAngularVec3()); return res; }
SpatialMotionVector PositionRaw::changePointOf(const SpatialMotionVector & other) const { SpatialMotionVector result; Eigen::Map<const Eigen::Vector3d> thisPos(this->data()); Eigen::Map<const Eigen::Vector3d> otherLinear(other.getLinearVec3().data()); Eigen::Map<const Eigen::Vector3d> otherAngular(other.getAngularVec3().data()); Eigen::Map<Eigen::Vector3d> resLinear(result.getLinearVec3().data()); Eigen::Map<Eigen::Vector3d> resAngular(result.getAngularVec3().data()); resLinear = otherLinear + thisPos.cross(otherAngular); resAngular = otherAngular; return result; }
SpatialMotionVector TransformDerivative::transform(const Transform& transform, SpatialMotionVector& other) { SpatialMotionVector ret; Eigen::Map<const Eigen::Vector3d> p(transform.getPosition().data()); Eigen::Map<const Eigen::Matrix<double,3,3,Eigen::RowMajor> > R(transform.getRotation().data()); Eigen::Map<const Eigen::Vector3d> dp(this->posDerivative.data()); Eigen::Map<const Eigen::Matrix<double,3,3,Eigen::RowMajor> > dR(this->rotDerivative.data()); toEigen(ret.getAngularVec3()) = dR*toEigen(other.getAngularVec3()); toEigen(ret.getLinearVec3()) = dR*toEigen(other.getLinearVec3()) + p.cross(toEigen(ret.getAngularVec3())) + dp.cross(R*toEigen(other.getAngularVec3())); return ret; }