Re: [PyOpenGL-Users] Problem with setting strides on vertex buffer

[Mike C. F. <mcf...@vr...>]

On 15-02-10 12:32 PM, Henry Gomersall wrote:
> Setting the last argument of glVertexAttribPointer (the pointer offset)
> to anything other than None seems to cause the vertex buffer to not work
> (at least, I don't seem to be able to render it - that's about as far as
> I'm competent to debug).
>
> Using pyglet.gl seems to work fine, but PyOpenGL not so much.
PyOpenGL will treat a bald number as an array of length 1 with that 
value as the value in the array. You need to pass a GL.GLvoidp( offset ) 
to get it to treat the value as an offset pointer. If you are using the 
VBO class, you can pass your_VBO + offset as well.

HTH,
Mike

-- 
________________________________________________
   Mike C. Fletcher
   Designer, VR Plumber, Coder
   http://www.vrplumber.com
   http://blog.vrplumber.com