[Bf-committers] Texture Paint brush's
Brecht Van Lommel
brechtvanlommel at pandora.be
Thu Sep 7 23:42:25 CEST 2006
Campbell Barton wrote:
> Hey Brecht.
> Was just looking at the new brush tool, (nice work, so much faster)
> If you press "F" fakeuser button, it enables the meshes fake user.
Fixed in cvs now.
> One thing that would be realy nice is to use a texture brush, and have
> the mouse intersection point as the input to offset the texture coords,
> because at the moment the same texture is being repeated. (would be best
> as an option)
There's code for such a feature already, with partial updates to the texture
pixels as the brush moves to keep it fast, just not enabled, needs some
> Related topic, Im experementing with a decal projection script
> if the paint tool could project the brush texture onto the mesh's image,
> rather then finding the point of mouse intersection and then painting
> in 2d- It would remove the need for the above python script.
Yeah, projection painting would be neat of course, you're not exactly the
first one asking for that :).
The hard part seems detecting which pixels are visible, did you get that to
work, or are you just discarding based on the normal? One option is to use
a shadow mapping technique, but that has aliasing and rounding issues.
Though at least bodypaint and modo seem to do that, and suffer from the
same issues, so maybe it's acceptable.
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