I would like to talk about normal mapping again. Basically normal mapping is adding details to the object without adding extra polygons. It is a very useful technique in game industry because it can improve the graphics without having penalty on performance.
Previously I've talk about normal mapping, you can click here to read about it.
This time I would like to add some extra information about normal mapping which is Specular Map.
Basically specular map is a texture map to control the object's specularity, the shininess of the object. Specular map mostly is a grayscale image.
* Specular map for human head
With specular map, you can control the specularity of the object without changing any code. All you need to do is just to replace the specular map with a new one and the result will be changed too :)
Sample screenshots:
*Default model
*Model with diffuse map
*Complete model (Diffuse + Normal + Specular)
Video Demo 1:
Video Demo 2:
Video Demo 3:
Here's the download link for normal mapping demo:
Key control:
1 - Default model
2 - Diffuse map model
3 - Complete model
CREDIT:
Thanks to Mr.Hiew Sau Fung sponsored me all these 3D models :)
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