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A3DCollisionCompute
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.. c:function:: A3DStatus A3DCollisionCompute(A3DCollisionGroupData const *pGroup1, A3DCollisionGroupData const *pGroup2, A3DCollisionParameterData const *pParameterData, A3DUns32 *uCollisionResultsSize, A3DCollisionResultData **pCollisionResults)

   .. rst-class:: sig-pretty-signature
   
      | :c:enum:`~A3DStatus` A3DCollisionCompute(:c:struct:`~A3DCollisionGroupData`\ * **pGroup1**\ , :c:struct:`~A3DCollisionGroupData`\ * **pGroup2**\ , :c:struct:`~A3DCollisionParameterData`\ * **pParameterData**\ , :c:type:`~A3DUns32`\ * **uCollisionResultsSize**\ , :c:struct:`~A3DCollisionResultData`\ ** **pCollisionResults**\ )
   
   Determine interferences between :c:type:`~A3DRiRepresentationItem`\ . 
   
   
      11.1
   
   
   
   This function allows to determine if there are interferences between :c:type:`~A3DRiRepresentationItem` from one or two groups.
   
   if pParameterData->m_dContactLimit is set to 0., the function return only kA3DCollision_Collision instead of kA3DCollision_Contact, kA3DCollision_FirstInside and kA3DCollision_SecondInside.
   
   
   
   A3D_INVALID_DATA_STRUCT_SIZE
   
   
   
   
   
   
   
   A3D_INVALID_DATA_STRUCT_NULL
   
   
   
   
   
   
   
   A3D_INVALID_DATA
   
   
   
   
   
   
   
   A3D_SUCCESS
   
   
   
   
   
   
   
   A3D_ERROR
   
   
   
   
   
   
   
   **Parameters**
   
   
      **pGroup1**\ : define the first group of :c:struct:`~A3DTransfoRepresentationItemData`\ . 
   
      **pGroup2**\ : define a optional second group of :c:struct:`~A3DTransfoRepresentationItemData`\ . 
   
      **pParameterData**\ : set parameters for collision computation. 
   
      **uCollisionResultsSize**\ : Number of :c:struct:`~A3DCollisionResultData` in pCollisionResults. 
   
      **pCollisionResults**\ : Array of :c:struct:`~A3DCollisionResultData`\ , containing collision computation result. pCollisionResults is automatically allocated by A3DCollisionCompute. 
   
   
   **Returns**
   
   
      ``A3D_SUCCESS`` on success, or an error code on failure
   
   




