Difference between revisions of "Bump mapping for Urban Terror"

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(Created page with "600px After seeing some screenshots from other people who tested UrT's bump mapping feature i wanted to try it out myself and see what results will i get....")
 
 
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[[File:Previewal.jpg|600px]]
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Using gimp this is my personal method for making normal maps which don't have a sheen. My method differs from others.
  
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After seeing some screenshots from other people who tested UrT's bump mapping feature i wanted to try it out myself and see what results will i get.
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An alternate technique by Rayne is detailed [[Raynes normal map tutorial]]
  
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First thing i needed was a good normal map generator. After few days of searching i settled with Crazy Bump.
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Made a grid and coloured in a few blocks with either grey or black, the grid was drawn using a mid grey.
  
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Quality of normal maps generated by this tool is excellent. You can adjust pretty much anything you want. From intensity (depth of the map) to full control over details that will be shown on the map.
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[[File:BumpStep1.jpg|600px]]
  
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After that i used Photoshop CS4 to edit the normal maps and their alpha channels to suit my needs and desires.
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And then I made a normal map using the gimp plugin - for more about this see [[Textures:Advanced_Normal_Maps_Creation]]
  
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So let's start with the first one.
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[[File:BumpStep2.jpg|600px]]
  
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==Bump map==
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Then selected to make a similar blue to the normal map blue transparent, but left all the others.
  
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I can't say I'm too happy with how bump maps work. The specular level is visible in shadows, and it's impossible to create it by simply deriving a gray scale, high contrast image from the original diffuse map.
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[[File:BumpStep3.jpg|600px]]
  
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Instead i used the basic _n map and did the same to it. It contains all the height map info i need and was much easier to tweak to get some...satisfying results.
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That gave me a normal map that looks quite red.
  
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[[File:Test1n.jpg|300px]]
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[[File:BumpStep4.jpg|600px]]
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In game the texture has very little shine BUT a lot of height.
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[[File:BumpShot0183.jpg|600px]]
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At last, real height without the sperm coating.

Latest revision as of 08:13, 15 January 2012

Using gimp this is my personal method for making normal maps which don't have a sheen. My method differs from others.

An alternate technique by Rayne is detailed Raynes normal map tutorial

Made a grid and coloured in a few blocks with either grey or black, the grid was drawn using a mid grey.

BumpStep1.jpg

And then I made a normal map using the gimp plugin - for more about this see Textures:Advanced_Normal_Maps_Creation

BumpStep2.jpg

Then selected to make a similar blue to the normal map blue transparent, but left all the others.

BumpStep3.jpg

That gave me a normal map that looks quite red.

BumpStep4.jpg

In game the texture has very little shine BUT a lot of height.

BumpShot0183.jpg

At last, real height without the sperm coating.

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