Hi there! I wish to put two different textures, each one, in a side of a polygon: Side A has texture 1 Side B has texture 2 Is it possible? If it is, how? Thanks for any help!

A simple solution is to draw two polygons on each other.

It''s not possible (unless you do it in software), do what Screams said.

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- outRider -

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Original post by outRider
It''s not possible (unless you do it in software), do what Screams said.

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- outRider -

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Sure it''s possible, check if it''s back-facing, or front-facing, and select the correct texture.... but, it''s easier to just use 2 polygons and face-cull them so only one gets drawn anyways.

Sorry, I thought he wanted to do it for a mesh, where some triangles would be front facing, some back facing, in which case there would either have to be front/back texture binding support, or he would have to transform them to view space himself and render the triangles seperately based on front/back texture needs.

If you have a mesh that''s entirely coplanar then you can do what Ready said, it would work perfectly... it''s just not worth it.

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- outRider -

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Original post by Ready4Dis
Sure it''s possible, check if it''s back-facing, or front-facing, and select the correct texture.... but, it''s easier to just use 2 polygons and face-cull them so only one gets drawn anyways.

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Ready4Dis,

I didn''t get the point? How? Can you be more specific?
I saw the replies and I''m talking a single quad...One side with one texture, it''s back side with another. I''ve already tried putting two quads facing each other culling it''s back but I didn''t liked the result. Its not like a single one bi-textured...

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but I didn''t liked the result.

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More detail needed.

"Sure it''s possible, check if it''s back-facing, or front-facing, and select the correct texture.... but, it''s easier to just use 2 polygons and face-cull them so only one gets drawn anyways. "

He means just do a if/else to see what side is facing you.

The back faceing should yeild a result that looks like its 1 polygon with a a front and back texture.

Let me if I understood...

When i face the quad I check if its normal is pointing towards me...if it is i''m facing front and then i put tex 1
If not, I invert the normal and then put tex 2? Its more or less this?

And if I''m at an angle that I can see both sides? I think its not possible but who knows?

Isn''t there an extension for this?