Info about DOT3 or bumpmapping..
Blitz3D Forums/Blitz3D Programming/Info about DOT3 or bumpmapping..
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| Hi all, please, someone could point me in the right direction? I'm trying to obtain some info about how I could implement bumpmapping in some models.. Could someone please explain a little about how to do this and what kind of textures or models would I need, or maybe some link to a code example? Thanks in advance! regards! |
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| ..try this.. http://www9.rapidupload.com/d.php?file=dl&filepath=13640 |
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| ..or try this DOT3 demo.. http://www9.rapidupload.com/d.php?file=dl&filepath=13641 |
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| Thank you very much!!!! :) wow!! Thanks!!! regards! |
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| Ross C's HeightMap to NormalMap Convertor is useful too. |
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| Is there any one who has done a complete level/game/demo with dot3/normal mapping ? Including gamelogic,particles,shadows,lights etc.. in B3D? I have completet all execpt the dot3/normal mapping part. :) So any good solution is very welcome :) |
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| I recommend this tool if you don't have Zbrush... http://engineering.soclab.bth.se/tools/177.aspx It is called Open Render Bump, it can be used for both commercial and free projects, and best of all, it is free. "Dynamic per-pixel lighting in real time 3D graphics is a very hot topic today. It enables realistic lighting with often stunning results. For this we need bump maps (or normal maps) which stores the micro geometry of a high-polygon model in a texture which is mapped to a low-polygon model that is used during real time rendering. ORB (Open Render Bump) is a free tool that automatically creates these bump maps from a high-polygon and a low-polygon model. ORB also generates displacement maps and decal/diffuse maps." |
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| Could you please talk us a little more about how it works? and about the whole process to obtain a normal-mapper or bump mapper model that works with blitz? This tools imports .b3d? Thanks in advance! |
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| Nope, it render a normal map of a higpoly object that you apply on your lowpoly version of the same object, Take a look at this demo. http://www.redflame.net/files/normaldemo.zip |
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| Thank you very much again! regards! |
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| ATI has a great tool on their page which takes a high detail model and a low detail and creates the normal map for the low detail one then which you could use. |
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| Try these. http://developer.nvidia.com/object/melody_home.html http://www.ati.com/developer/sdk/radeonSDK/html/Tools/ToolsPlugIns.html http://www2.ati.com/developer/NormalMapper-3_2_2.zip And then you can allways use 3DS max or Zbrush |
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| Actually controlling the lighting is the biggest pain about normal/bump mapping in blitz. Directional light are fairly easy, but spot lights are a pain. You have to alter all the vertex colourson the meshes. And the normal maps take up alot of VRAM, in addition to the textures if you want to use them all over. |
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