void LayoutShowUnit::CalcTransformToScalePosition()
{
b2Fixture *outsideFixture=GetOutsideFixture(this->body);
b2PolygonShape *polygonShape=(b2PolygonShape*)outsideFixture->GetShape();
b2Transform tx=outsideFixture->GetBody()->GetTransform();
bee::Point b1=GetWorldPoint(polygonShape->m_vertices[0],tx);
bee::Point b2=GetWorldPoint(polygonShape->m_vertices[1],tx);
bee::Point b3=GetWorldPoint(polygonShape->m_vertices[3],tx);
b2Mat33 transform_matrix(b2Vec3(b1.x,b2.x,b3.x),b2Vec3(b1.y,b2.y,b3.y),b2Vec3(1,1,1));
this->xDirectionVector=transform_matrix.Solve33(b2Vec3(0,1,0));
this->yDirectionVector=transform_matrix.Solve33(b2Vec3(0,0,1));
}
void mitk::GizmoInteractor::MoveFreely(StateMachineAction*, InteractionEvent* interactionEvent)
{
auto positionEvent = dynamic_cast<const InteractionPositionEvent*>(interactionEvent);
if(positionEvent == NULL)
{
return;
}
Point2D currentPosition2D = positionEvent->GetPointerPositionOnScreen();
// re-use the initial z value to really move parallel to the camera plane
auto renderer = positionEvent->GetSender()->GetVtkRenderer();
renderer->SetDisplayPoint(currentPosition2D[0], currentPosition2D[1], m_InitialClickPosition2DZ);
renderer->DisplayToWorld();
vtkVector3d worldPointVTK(renderer->GetWorldPoint());
Point3D worldPointITK(worldPointVTK.GetData());
Vector3D movementITK( worldPointITK - m_InitialClickPosition3D );
ApplyTranslationToManipulatedObject(movementITK);
RenderingManager::GetInstance()->ForceImmediateUpdateAll();
}
inline Vec2 Body::GetLinearVelocityFromLocalPoint(const Vec2& localPoint) const
{
return GetLinearVelocityFromWorldPoint(GetWorldPoint(localPoint));
}
