Hi Manfred,
I'm lost too. I tried the second way (SimpleMaterial with a TextureChunk
and the internal and external parameter as given), but I didn't get the
effect I want.
Hummm. For the first solution, it should be updated because between 2
call there is some rendering. In this case, the code MFStateChunkPtr
chunk = simpleTextureMaterial->getChunks(); doesn't give any Chunk back.
I don't need semitransparent textures so I don't need BlendChunk I think.
Vincent
Manfred Weiler wrote:
On Thu, Feb 17, 2005 at 02:21:13PM +0100, Vincent Honnet wrote:
Hello Manfred,
I have really problems with that... I didn't achieve to get the
TextureChunk. Well.... my Code is:
MFStateChunkPtr chunk = simpleTextureMaterial->getChunks();
for(MFStateChunkPtr::const_iterator i = chunk.begin(); i !=
chunk.end(); i++)
{
if((*i)->getClassType()==TextureChunk::getClassType())
{
TextureChunkPtr textChunk = TextureChunkPtr::dcast(*i);
if(m_bTransparent)
{
textChunk->setInternalFormat(GL_INTENSITY);
textChunk->setExternalFormat(GL_LUMINANCE);
}
}
}
Do I the right way ?
Otherwise, I tried to give a TextureChunk to SimpleMaterial with the
given internal and external format, but I didn't get transparent
textures. I thing I'm doing something the wrong way. I hope you can help me.
That is exactly how I would do it. Sorry I am lost here. Someone else
need to comment on that. Maybe you need to call some update function
of the Material or the Chunk in order to make the changes effective.
Maybe you also need a BlendChunk for rendering semitransparent objects.
Another possibility is to assemble your material based on ChunkMaterial
and just add the chunks you require: TextureChunk, MaterialChunk etc.
That's how I do it in my implementation.
Manfred.
======================================================================
Manfred Weiler [EMAIL PROTECTED]
Visualisierung und Interaktive Systeme Telefon: 0711/7816-208
Universitaet Stuttgart, IfI FAX: 0711/7816-340
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