Animating transparency in a particular direction

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# 1 10-08-2010 , 12:47 AM

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Animating transparency in a particular direction

Anyone know how?
Thanks

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# 2 10-08-2010 , 06:18 AM

The Nurb Herd
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use a black and white ramp

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# 3 10-08-2010 , 04:07 PM

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In the transparency map node?

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# 4 11-08-2010 , 12:36 AM

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something about facing ratio too

what do you mean by 'in a particular direction', that could means lots of things

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# 5 11-08-2010 , 11:52 AM

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Like from left to right on a cylinder. Like a lightsaber switching on.

Last edited by Buster Sword; 11-08-2010 at 12:27 PM.

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# 6 11-08-2010 , 01:13 PM

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Originally posted by Buster Sword
In the transparency map node?

Originally Posted by

yeah plug the ramp into the transparency and key the set position.

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# 7 11-08-2010 , 03:31 PM

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Originally posted by hammer.horror
yeah plug the ramp into the transparency and key the set position.

Originally Posted by

Nothing happens, when I mess around with the ramp and render it shows the flow of transparency. But in the actual scene nothing happens, nor does anything happen in a playblast.

Last edited by Buster Sword; 11-08-2010 at 05:13 PM.

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# 8 12-08-2010 , 10:17 AM

The Nurb Herd
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Originally posted by Buster Sword
when I mess around with the ramp and render it shows the flow of transparency.

Originally Posted by

umm... so it works then.

Originally posted by Chirone
vague questions get vaque responses

Originally Posted by

word

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# 9 12-08-2010 , 12:23 PM

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Originally posted by hammer.horror
umm... so it works then.

word

Originally Posted by

Only when rendered and not in the actual scene though.

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# 10 12-08-2010 , 04:18 PM

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Some things will only show up (or be transparent) in the render, but I'm not sure if this is one of those situations. Have you tried hitting 6 and 7 to see if the texture/lighting helps?

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# 11 12-08-2010 , 05:12 PM

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I don't think Maya likes to display transparency if done through a gradient, or any other type of texture, in the viewports.

As long as it works in the render you don't have anything to worry about..

cheers,
Chris

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# 12 12-08-2010 , 09:22 PM

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i'm pretty sure there is a setting somewhere that you can enable the alpha in hardware texturing, which makes it show up in the viewports
i just dont remember where such setting is.
i think i saw it on the gnomonology eyeball tutorial how you do it