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DarkBASIC Professional Discussion / Questions upon shaders

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L3mmy
17
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Joined: 19th Jun 2009
Location: England, Sheffield
Posted: 19th Jul 2012 22:48 Edited at: 19th Jul 2012 22:51
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Hey, Basically, I want to create a Car Paint shader, using fresnel water shader, How would I go about applying it to the body of the car with a colour like red or blue (Car base colour)

Thanks - Tom

P.s The parts of the car model will probably be called body. so as not to get the wheels and interior etc

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L3mmy
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Location: England, Sheffield
Posted: 21st Jul 2012 19:22
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Bump - Nobody?

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david w
20
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Joined: 18th Dec 2005
Location: U.S.A. Michigan
Posted: 21st Jul 2012 20:01
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Why would you want to use a water shader to apply paint to a car? I can only assume that you want a "glossy" look with a slight refelction off the paint?
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basjak
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Posted: 21st Jul 2012 21:01
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Use set sphere mapping on.

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L3mmy
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Location: England, Sheffield
Posted: 21st Jul 2012 21:02
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yeh mate..Looked on google and most people say fresnel is the best way...and thats in evolved's water shader?..need to kinda try and extract the bit I want and apply it to the car body

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mr Handy
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Joined: 7th Sep 2007
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Posted: 21st Jul 2012 21:17
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Fresnel is good.
You can't just apply it because water is a plain and car is not. They use different reflection techinques. Try to cut out all reflection and refraction textures at first. Then you need to replace texture values with desired colors in "lerp" line.

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