about texture (emergency)

[mrh_3d]

hi friends
i have problem with using texture in vb.net (tv3d sdk 6.5)

i use these codes to get my texture to my object

        tvm = New MTV3D65.TVEngine
        mesh = New MTV3D65.TVMesh
        sen = New MTV3D65.TVScene
        tex = New MTV3D65.TVTextureFactory
   
        Dim aaa As Long

        tvm.Init3DWindowed(pic.Handle.ToInt32)
        aaa = tex.LoadTexture("e:\1.jpg", "aaa")

        mesh = sen.CreateMeshBuilder()

        mesh.CreateTeapot()
        mesh.SetPosition(3, 0, 10)
        mesh.SetTexture(aaa)

but when i render ,teapot is white and it hasn't texture.
what do i do ?

[AriusEso]

What does your debug log say?

[ZaPPZion]

I think it's not finding the texture.
If it is, try this:

mesh.SetLightingMode(CONST_TV_LIGHTINGMODE.TV_LIGHTING_MANAGED)

I think you'll need some lights as well, but at least it will show the texture

[SylvainTV]

I'm not sure that Teapot has UV information actually.
Try with a Sphere or a box maybe?

[ZaPPZion]

yea, a directX teapot has a UV map on it. The texture seems tiled like 4 times on default

[SylvainTV]

Sorry then I didn't remember, thanks Zappzion

[jviper]

are you sure the teapot has UV map info? Every time I create a teapot, I have to calculate the UV.

[ZaPPZion]

Oh, that's weird, i just created a teapot in 3dmax, and i opened one of my projects to try it. But it could be calculating the UV in the project, i'll check it.

OK, I was mistaken. It doesn't have UV coordinates yet. I didn't even manage to recalculate them:S. Never mind the UV stuff then, that could be your problem.

[mrh_3d]

thanks a lot

but i don't understand that what do i do exactly?

in truevision 6.2 i could set texture easily,but now i can't.

i don't know anything about uv and everything you said to me

please help me to find tutorial about truevision 6.5 .
 

[serial]

Check  c:\debug.txt


UV Coordinates are also got texture coordinates.  They are used to map a texture
to your model

[mrh_3d]

what do you do if you want to set texture ?
please type your complete codes here. 

[AriusEso]

What does your debug log say?

[mrh_3d]

woooow 
finally i can to set texture , but my program don't show image really ,for example if my texture is a yellow stone with black strips when i render ,it will be shown in yellow color only.
what do i do ?

please help me to find tutorial(s) about true vision 6.5 in vb.net

[pabloescobar]

fix the UV. Will be more easy if you use 3ds max (or any other 3d editor)

[pizzayoyo]

Try using a box instead of a teapot, as Sylvain suggested.

[jviper]

To set the texture you use the function:

TVMesh.SetTexture
TVActor.SetTexture

But for the texture to show up, your model must have some kind of texture coordinates other than 0,0. I believe that the default texture coordinates for all the verticies when the teapot is created is 0,0, so you will not see a texture untill you alter the texture coordinates.

To Alter the texture coordinates, you have to alter the verticies. Tu and Tv is what needs to be altered.

TVMesh.GetVertex
...
Alter the Tu and Tv
...
TVMesh.SetVertex