Crapadilla
 |
While fixing some rather elusive texture discontinuities on my 'Roofing Shingles' filter, I came across what looks like a "shortcoming" of the 'wave' curve component: it is missing a 'Periodic' option like the one found on the 'noise' curve component.
To be more precise, once the 'A-Variance' or 'F-Variance' parameters are set to any non-zero value, the wave components' output becomes non-periodic: it creates visible seams if fed into a profile gradient, for example. Looks like undesireable behaviour to me... 
So, in my 'Roofing Shingles' filter, I had to blend the wave curve with a reversed version of itself to make it periodic again...  --- Crapadilla says: "Damn you, stupid redundant feature requests!" ;) |
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| Posted: August 24, 2007 4:23 pm | ||||
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Vladimir Golovin
Administrator |
Not only that, it also becomes non-periodic when you use non-integer frequencies, like 1.2 or 5.3. The curve is inherently non-periodic and there's simply no way to make it periodic other than using dumb edge-blending or restricting frequencies to integers. |
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| Posted: August 25, 2007 8:11 am | ||||
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Crapadilla
|
Ah well... I'll take that as an indication that there won't be a 'periodic' option for the Wave Curve component.
 --- Crapadilla says: "Damn you, stupid redundant feature requests!" ;) |
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| Posted: August 25, 2007 3:26 pm | ||||
uberzev
 |
So much for my promising flame filter...
(I realize this is only an issue for tiled images but it's still annoying) |
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| Posted: March 13, 2008 7:47 pm | ||||
Redcap
 |
I actually had to change my sound wave filter so that you can only chose integers for the period of the wave, not bad but yeah, annoying.
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| Posted: March 13, 2008 10:50 pm | ||||
KGtheway2B
 |
Ah sweet, I was just going to post about this.
I was afraid I was going to have to do math! |
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| Posted: March 18, 2008 3:37 pm | ||||
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Redcap
|
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| Posted: April 28, 2008 11:17 pm | ||||
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Redcap
|
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| Posted: April 28, 2008 11:19 pm | ||||
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uberzev
|
cool, so lets see the ffxml
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| Posted: April 29, 2008 2:21 am | ||||
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Redcap
|
Not very good yet, but as long as you keep the wave's period as an integer it works. Just add some distortions and you got it.
Introduction to periodic flames.ffxml |
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| Posted: April 29, 2008 6:14 am | ||||
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uberzev
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Bump. This is still annoying.
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| Posted: April 1, 2011 6:52 am | ||||
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