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+--- Thread: Blog: "I'm a Material Boy" (/thread-2997.html)
Blog: "I'm a Material Boy" - Luis - 09-21-2009
Time for introducing the Material Editor.
http://frictionalgames.blogspot.com/2009/09/im-material-boy.html
RE: Blog: "I'm a Material Boy" - Sexbad - 09-22-2009
That's a pretty neato-looking feature.
Unfortunately I know absolutely nothing about normal mapping or bump mapping or specular mapping or parallax mapping except that they're all related somehow.
RE: Blog: "I'm a Material Boy" - eliasfrost - 09-22-2009
Parallax mapping! <3
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RE: Blog: "I'm a Material Boy" - WindexGlow - 09-23-2009
![[Image: 33442741.jpg]](http://img42.imageshack.us/img42/2341/33442741.jpg)
Blast! I've been foiled!
Bump - Tints pixels based on lighting (making it have much more detail)
Spec - Adds tone based on lighting + player view (think of sun glare off a car)
parallax - Not entirely sure how it works, but it creates the impressive of a 3d surface based on player camera and not lights I believe.
I'm off on all of those but it should help you get the basic idea.
RE: Blog: "I'm a Material Boy" - Sexbad - 09-23-2009
(09-23-2009, 05:00 AM)WindexGlow Wrote: Bump - Tints pixels based on lighting (making it have much more detail)
Spec - Adds tone based on lighting + player view (think of sun glare off a car)
parallax - Not entirely sure how it works, but it creates the impressive of a 3d surface based on player camera and not lights I believe.
I believe I understand all that but am confused about where normal mapping comes in to play because from what I've seen it just does exactly what parallax mapping does.
RE: Blog: "I'm a Material Boy" - WindexGlow - 09-23-2009
I haven't worked with normal too much, but I'm pretty sure it doesn't have the artifacts parallax does (the stretching texture) but isn't as accented/noticeable
Hard to explain I guess.
RE: Blog: "I'm a Material Boy" - eliasfrost - 09-23-2009
The different (as for what you actually see) between normal and parallax is that normal only add shading depending on the lightning, while parallax adds depth to the texture (and shading). The technical aspect is a lot more complex than that though.
RE: Blog: "I'm a Material Boy" - WindexGlow - 09-24-2009
^bump and normals render quite differently though.
RE: Blog: "I'm a Material Boy" - eliasfrost - 09-24-2009
But the outcome is pretty much the same from what I understand?
RE: Blog: "I'm a Material Boy" - Thomas - 09-24-2009
Normalmapping changes the shading, that is how how lights affects a surface. A normalmapped surface without any lights on it does not look anything different.
Parallax offsets the texture uv coordinate (as explained in blog) and this means that it changes the look of a surface even if it is unlit. Parallax also offsets the point from where the normalmap information is gotten (normalmap uses same uv as color-texture) and therefore parallax indirectly affects the shading too.