5 replies to this topic

[Anddos]

i have manage to lock the vertices fine but each x,y,z is random points of the mesh , what i want todo is lock the indexbuffer and retrieve the first 3 x,y,z that make up the first triangle of the mesh , does anyone know how ?

[Reedbeta]

The index buffer is just an array of either 16-bit or 32-bit ints, and each int is an index into the vertex array. So to get the first triangle you'd just take the first three indices and look those up in the vertex array.

[Anddos]

how do you look up the vertex from the array , i dont know how to implement that in to code , thanks

[Reedbeta]

Maybe you should review this thread...you seemed to know how to do it when you posted there. Unless I'm misunderstanding your question?

[Anddos]

never mind , i think my previous code is ok , can you just confirm?

[Reedbeta]

It looks good to me. But why don't you just test it on a known mesh, and see?