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Daniel Chappuis 2020-10-11 10:55:32 +02:00
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documentation/UserManual/ReactPhysics3D-UserManual.tex
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@ -1319,8 +1319,11 @@ ConcaveMeshShape* concaveMesh = physicsCommon.createConcaveMeshShape(triangleMes
\texttt{TriangleMesh} for multiple \texttt{ConcaveMeshShape} with a different scaling factor each time. \\
\end{sloppypar}
In the previous example, the vertex normals that are needed for collision detection are automatically computed. However, if you want to specify your own
vertex normals, you can do it by using another constructor for the \texttt{TriangleVertexArray}. \\
In the previous example, the vertices normals that are needed for collision detection are automatically computed. However, you can specify your own
vertices normals by using another constructor for the \texttt{TriangleVertexArray}. Note that each vertex normal is computed as weighted average
of the face normals of all the neighboring triangle faces. Therefore, if you specify your mesh with duplicated vertices when you create the
\emph{TriangleVertexArray}, the automatic vertices normals computation will not give correct normals because each vertex of the mesh will only be
part of a single triangle face. In this case, you should provide your own vertices normals when you create the \emph{TriangleVertexArray}. \\
\subsubsection{Heightfield Shape}