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hi every one
i create a cube and texture it with a png file, the rendering was not expected , so what i did wrong ?

Hi airpas,

airpas wrote:i create a cube and texture it with a png file, the rendering was not expected, so what i did wrong?

You mean the fact that you can't always see the backside / inside of the crate when looking through the transparent parts of the outside?

You can't use the DrawBackFace property of a Material for those kind of situations. Instead, you need to render the inside first and the outside after that. Either use a separate mesh for the inside, or draw the same mesh twice while toggling glFrontFace ( GL_CW for the inside, GL_CCW for the outside ).

Attached is a example using the separate mesh approach.

K

I obtained the same strange behavior. Rendering the cube's inside through each side is different. Other sides which should be visible are hidden.

thanks kjell , it took me a little time to understand it

thanks again