i have a quad that consist of 4 vertexes and 4 indices (making up the face) e.g. 1,2,3,4
i want to have 2 triangles. Would i order the indices then as 1,2,3 and 3,2,4 ?
the resulting mesh still has holes.

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2-3
|/|
1-4

1,2,3,3,4,1

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I would use 1,2,3 and 1,3,4 instead, see uploaded image.

greetz Lord Horazont

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Thanks.

But what horror i ended up using
4,2,1 and 3,2,4

Should i look up the vertex values to determine winding of the face?

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Normally, if you have the original vertex data available in the order you would need it to draw the quad directly, you should be able to reuse them without changing anything. (or did I missunderstood your question?)

greetz Lord Horazont

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current projects: ManiacLab; aioxmpp
zombofant network • my photostream
„Writing code is like writing poetry“ - source unknown

„Give a man a fish, and you feed him for a day. Teach a man to fish and you feed him for a lifetime. “ ~ A Chinese Proverb

I am trying to read in .obj files from the dynamic ambient occlusion demo from the nvidia site. Appearantly the vertexes are ordered correctly for usage with quads but not optimized for usage with triangles. I better get hold of some more obj files.

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