DeleD Community Edition

[Adar]

I'm still waiting for Parallax and Normal mapping to be made possible in deled so I could buy the pro version

[Nocturn]

Why are such things important for a modeller ? All these things happens in your engine.

[Adar]

[Andreas233223]

Can somebody please explain what the difference is between bumpmaping, parallx mapping and normal mapping? They all seem similar to me.
Edit: i forgot specular mapping.
please explain
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[Mr.Fletcher]

It's basically just how your texture looks like when it's beeing displayed, so not much of great importance when it comes to modeling.
The configuration can be done via material user tag though, I think.
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[elementrix]

[Basiror]

normal map stored the normals of the surface on per texel basis

when evaluating the lighting equations normal*lightvector gives the reflectance of incoming light (see specular highlights)

bump mapping is nearly the same as normal mapping, except that the normal is calculated with use of the gradient of the bump map

parallax mapping goes one step further, it makes use of a bump map/height map and traces in polygon space a ray from the light source to the surface of the height map in polygon space and uses the result as a displacement factor for the texture lookup, thats quite an expensive operations since repeated texture lookups stall the fragment programs and result in increases computation time


a texture lookup with filtering costs several hundred cycles, a floating point multiplication only 8 cycles

the red dots represent the usual texture coordinates
the blue ones represent the texture coordinates used to sample the texture that is applied to the current fragment/pixel

[Adar]

So does anyone know if it's going to be implemented in Deled anytime soon? or if not at least about when?

Here's an example showing the difference between Texture mapped, Normal mapped, Parallax mapped & Steep parallax mapped:

[Paul-Jan]

Ok, note to anyone who wants to see Normal Mapping (& co) implemented, please describe your (desired) art pipeline so we can get to a practical solution. We could simply add a 'normal map' layer type to the material, but that will not help you much if it doesn't show up in your game, now does it?

So
1. What engine do you plan to use use, and how does it handle normal maps?
2. What file format do you plan on using to export to that engine, and how does it handle normal maps?

I completely agree it would be nice to have WYSIWIG support for these 'more advanced' material laye rtypes, but actually being able to use your models and scenes is much more important imho.

p.s. One possible answer to those questions could be (1) 'generic shaders', and (2) 'a file format that is not yet supported by any of the exporters, supporting arbitary shaders'.

[Adar]

[Paul-Jan]

B3D does supports Dot3 normal mapping, so that's good news. Heck, I could modify the Blitz3D exporter to read out the material tag, and have you specify "layer1 normal" there, and then you would have normal mapping support right now. So that's one option. Just not wysiwig.

B3D only supports Dot3 normal mapping, so if you wanted to use any of the other mapping types, how is RealmCrafter going to know what to do with the texture?

[Adar]

[Nocturn]

[Adar]

[Willakan]