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Light Rays with Particular

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John MadisonLight Rays with Particular
by on Feb 26, 2011 at 2:20:59 pm

Hi guys,

I'm trying to create a specific effect. The idea is to have a light rays emerging from a layer, but in 3D space so that i can rotate a camera around this.
I've managed to create something similar with particular. I'm using a text comp as a layer emitter with 1000s of particles. To get the effect of light rays I've added a directional blur (fast blur) on the particles. However, the blur works on both directions and so the rays extend downwards which is NOT what i want.
I've attached an image to show you what i mean. There should be no rays extending below the text layer.
Any way around this, or can i create the effect using a different procedure?


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John MadisonRe: Light Rays with Particular
by on Feb 26, 2011 at 2:22:50 pm

Sorry! Forgot to add image.

Here it is:


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Tudor "Ted" JelescuRe: Light Rays with Particular
by on Feb 26, 2011 at 6:22:25 pm

Play with the Visibility of the particles- adjust hoe far away they should vanish and how long the fade should be ( in your case the numbers should be the same).

Tudor "Ted" Jelescu
Senior VFX Artist


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Chris ButtacoliRe: Light Rays with Particular
by on Feb 27, 2011 at 6:33:42 pm

Since I don't see any shading going on in the BG, what about placing a same colored solid just under the text in 3d space to block out the blur spill from the cameras view.


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John MadisonRe: Light Rays with Particular
by on Feb 27, 2011 at 7:57:34 pm

The blur is not 3D. Putting a solid there doesn't make a difference. I can put a solid above the particle layer but that blocks out the text layer aswell. :(


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Philippe LessardRe: Light Rays with Particular
by on Feb 28, 2011 at 5:33:48 pm

I think this is what you looking for.

http://aeportal.blogspot.com/2010/05/3d-volumetric-light-with-trapcode-shin...


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