Now put your diffuse map into Photoshop(I’ll use the same map like in the previous entry of creating bump maps ) and just start to work with that ) The second way(even easier!) I’ll describe in the next section. Just like the bump map you can quickly make specular map in PS by changing a few parameters. Unlike bump map, colorful maps will also work here, however they won’t give you such a good effect as a black and white maps. What happens is that, the lighter color on the map will give more specular effect and the black one (RGB 0) will cause no reflections. You see my point? They are never equal right? At this time, when you are using only a bump maps most of the reflections will not look realistic and sometimes you will not be able to see any of them. Look how the reflections looks like on the wooden furniture. But why I will need this? It’s very simple to explain. When you are using a bump map, in most cases you will have to use also a specular map, which is made of the same diffuse map as a bump map. First of all I need to explain, why you have to use this type of map.
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