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Author Topic: Particles and regions  (Read 3291 times)

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Derrek3D

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Particles and regions
« on: November 25, 2007, 05:32:11 PM »
Hello,

Can someone please explain how UseRegion works in a particle emitter? How do you set the region that the particles are visible in? If I want to see snow, for instance, through a star-shaped window, and only see the snow inside the star, does UseRegion help me achieve this effect?

And talking about particles, can specific particles look different when entering a certain region? Like maybe receive a color mask when inside the region like the actor can receive when inside a decoration region. Is this possible?
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Derrek3D

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Re: Particles and regions
« Reply #1 on: November 26, 2007, 10:46:40 AM »
Ok, I managed on my own regarding the UseRegion. Works great!

Anything about my second question regarding decoration regions for particles?
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Mnemonic

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Re: Particles and regions
« Reply #2 on: November 26, 2007, 03:32:14 PM »
No, it's not supported. You could however achieve something like that by placing some semi-transparent colored sprite over the area where you want the particles to be affected.
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Derrek3D

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Re: Particles and regions
« Reply #3 on: November 26, 2007, 05:08:05 PM »
Ok, thanks. Sounds like a good idea. I'll try it. But if the actor can walk on the area in question, wouldn't the semi-transparent image affect him as well?
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Mnemonic

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Re: Particles and regions
« Reply #4 on: November 27, 2007, 05:59:01 PM »
Not necessarily, you can layer your scene entities so that some of them are always behind the actor.
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Derrek3D

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Re: Particles and regions
« Reply #5 on: November 28, 2007, 11:16:45 AM »
Ok, sounds good. Thank you very much.
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