public VertexBuffer getBuffer(Type type) {
        return buffers.get(type.ordinal());
    }
Get the {@link VertexBuffer} stored on this mesh with the given
type.

@param type The type of VertexBuffer
@return the VertexBuffer data, or null if not set
jme3-core/src/main/java/com/jme3/scene/Mesh.java