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Vue F.A.Q (Last Updated: 2024 Nov 21 4:12 am)



Subject: Objects that emit light?


hein ( ) posted Sat, 10 March 2001 at 3:47 AM ยท edited Sun, 21 July 2024 at 7:37 AM

I remember someone mentioning a setting something to a negative value that would let an object emit light. Can't find it anymore with a search in the forum. The "Vue" mat etc files are usually viewable in a imageviewer but what format they are related to would be nice to know. The Vue 3.1 manual isn't much help here either.


MikeJ ( ) posted Sat, 10 March 2001 at 4:12 AM

Let an object EMIT light? You're not talking about ambience, the effect that will cause an object to glow when it has a light source on it?



karlm ( ) posted Sat, 10 March 2001 at 8:26 AM

Well, if you set the ambient parameter really high (above 100%) objects can look like they are glowing (i.e. they will be really bright), but they will not actually shed light onto other objects. A technique I often use is to place a light inside the object, make the object transparent (or semi transparent) and then adjust the flare settings (usually using the maximum span setting). This works best with objects that are approximately spherical. If your object is oddly shaped, you might want to use more that one light strategically placed inside it. -karl


MikeJ ( ) posted Sat, 10 March 2001 at 9:20 AM

Thanks Karl...you're answer couldn't have come at a better time, since I'm having a similar problem right now with something diferent. :)



hein ( ) posted Sat, 10 March 2001 at 9:50 AM

file_154321.jpg

Thanks , I'll give that a try , I got this far by setting a hightlight intensety of 300%, a size of 0% and putting the moonlight on it.


bloodsong ( ) posted Sat, 10 March 2001 at 6:17 PM

heyas; not highlight, ambient and diffuse light. that's on the last materials tab: effects. to make fire, i usually turn up the ambient and diffuse to several hundred per cent. then stick an orange-yellow light above/near the flame object. i think you can also turn off the 'cast shadows' on the material. if you want your egg shape to have a sort of glowing edge, you could also try duplicating it and sizing it up, and then turning the copies to 'fuzzy' and 'additive' (in the transparency tab). additive makes it lighten anything behind it, so just one might be too dim. layer several copies of the object to pump up the additive brightness. you can use the higher ambient/diffuse settings on those, too.


hein ( ) posted Mon, 12 March 2001 at 12:37 AM

file_154322.jpg

Played a little more with the info , still not getting where I want to go but getting closer. Found that if the power of a light gets over 1000 it loses any color , tried blacklight of 2000 and it was just as bright as whitelight. Goes to show :)


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