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Texturing question

Jaqueline Infinity
Registered User
Join date: 21 Sep 2007
Posts: 71
03-12-2008 12:29
Hello, I am doing a lamp and want to have the white shiny light beams arround the lamp. How can I make this? Thank you!
Brick Infinity
Registered User
Join date: 1 Sep 2007
Posts: 83
03-12-2008 12:40
Do you mean a light beam shining down from the shade? Or do you mean use of particles?

I will drop a basic light beam prim on you with the texture inside it. Its all full perms, not sure if this is what you want or not. : )
Aki Shichiroji
pixel pusher
Join date: 22 Jul 2006
Posts: 246
03-12-2008 12:41
There are a number of ways to do this, but it would probably be a better idea if you could post a picture of what you're trying to do.

Are you trying to show the glow of the lamp on the texture of a specific texture *on* the lamp? or are you trying to create a glow effect/ray of light?

If yes to the first question, i would recommend you do this by tweaking your object texture, using a low opacity gradient and playing around with different layer property settings.

If yes to the second question, you can create a transparent white gradient texture, upload it, and apply that to a prim that would be the basis for your light ray. From that point, just tweak your opacities and tint as necessary. You can also select individual prims and set glow properties for them, which will provide you with some further customizability as far as how your lamp looks in SL.
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Chosen Few
Alpha Channel Slave
Join date: 16 Jan 2004
Posts: 7,496
03-12-2008 12:44
Generally it's done by using a blank white texture, with an alpha channel that grades from black to white. The gradient on the alpha makes the texture appear to "fade" from fully opaque on one end to fully transparent on the other, the same way a light beam starts out as bright and fully visible at the source, and then becomes dimmer and less visible over distance. The illusion looks more complete in SL when you turn on Full Bright in the Texture tab for the object. If you're using Windlight (which everyone will be soon), experiment with the Glow parameter as well.

If you don't know what alpha channels are, see the sticky at the top of the forum.
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Daisy Picnic
Registered User
Join date: 19 Oct 2006
Posts: 23
04-06-2008 03:34
I am trying to acheive this effect when a spotlight is turned on to create a cone effect in front of the bulb, how am i able to make the graduated prim appear only when the light is activeted?
Thanks
Anti Antonelli
Deranged Toymaker
Join date: 25 Apr 2006
Posts: 1,091
04-06-2008 11:36
From: Daisy Picnic
I am trying to acheive this effect when a spotlight is turned on to create a cone effect in front of the bulb, how am i able to make the graduated prim appear only when the light is activeted?
Thanks

That's more of a scripting issue, but probably the best way to do this would be to create your cone with a texture similar to what Chosen described, then have it toggle between visible and invisible by way of a script that switches the prim's overall alpha between 0 (visible) and 100 (invisible). You'll need to modify your main "turn the light on and off" script to either alter the new prim directly via llSetLinkPrimitiveParams or have it talk to a separate script in the cone prim via llMessageLinked.

If that's all greek to you, you might post for further help in the Scripting Tips forum :)
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