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Old 13-07-2005, 09:56 AM   #1
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Default Light beams caused by dust?

Hey, i got a question i already sort of know the answer to but, i was wondering if there was a better way to do it-

Is it possible in maya to have a light (spot light) to be shining from one spot to another, and have it so the light can be seen as if the air is full of dust to create the effect that is similar to the picture i attatched?

At the moment the only way i know how is to make a cone, try and line it up as best i can, give it a glow, and hide the source, but it doesnt really give the effect i want. Any suggestions welcome, as its for my competition entry.

thanks, Joel
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Old 13-07-2005, 11:10 AM   #2
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If you create a spot light, then open the attribute editor (Ctrl +A).
Next, open the light effects tab and click on the black and white squares box next to light fog. (end of that row)
A cone should now appear to come from the spot light, the cone can be scaled to the size and shape you want and in the attribute editor you can edit colour and density.
If you wanted to create a light effect like the picture:
when you add the light fog click on the checkered box at the end of the density line, select ramp from the 2d texture options in the box that appears.
Now what you want to do is create a black and white ramp, black is where you want the light fog to be and white will be no fog
(You have to be careful with this its not the most its very hard to replicate reality this way- if you dont understand the second section just try to get light fog first)
but hope that helps
Thanks for wasting your time reading this line.

Last edited by mumbojumbo_13 : 13-07-2005 at 11:15 AM.
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Old 15-07-2005, 05:21 PM   #3
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There are some great tutorials here:

...t hat should help you.
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