void GUIManager::GetVisibleEntities(RenderList* List)
 {
     for(i32 i = 0;i < m_Elements.size();i++)
     {
         RenderComponent* r = (RenderComponent*)m_Elements[i].get()->GetOwner()->GetComponentByType(CT_RENDER);
         if(!m_Elements[i]->GetOwner()->HasComponentType(CT_RENDER)) continue;
         if(!r->GetMesh()) continue;
         if(r->IsHidden()) continue;
         if(r->GetMesh()->NeedsSync())
         if(r->GetVertexCount() == 0) continue;
         List->AddEntity(m_Elements[i].get()->GetOwner());
     }
 }
 void GUIManager::OnMouseUp(i32 Button, Vec2 cPos)
 {
     for(i32 i = (i32)m_Elements.size() - 1;i >= 0;i--)
     {
         RenderComponent* r = (RenderComponent*)m_Elements[i].get()->GetOwner()->GetComponentByType(CT_RENDER);
         if(r->IsHidden()) continue;
         Vec2 Pos = m_Elements[i].get()->GetPosition();
         Vec2 Sz  = m_Elements[i].get()->GetSize();
         if(cPos.x > Pos.x && cPos.x < Pos.x + Sz.x
         && cPos.y > Pos.y && cPos.y < Pos.y + Sz.y)
         {
             m_Elements[i].get()->OnMouseUp(Button, cPos);
             break;
         }
     }
 }