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Offset particles. |
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Aaron Levy
Medicated Lately?
Join date: 3 Jun 2004
Posts: 2,147
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12-22-2004 22:04
Is there any way to offset where a particle is generated. For example, from the object's center: -0.25 on the X, 0 on the y and -0.10 on the z?
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blaze Spinnaker
1/2 Serious
Join date: 12 Aug 2004
Posts: 5,898
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12-22-2004 23:06
I use rez object to do this. Not great, but may be your only choice.. Use temp rez if possible so you don't have to worry about cleanup.
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Aaron Levy
Medicated Lately?
Join date: 3 Jun 2004
Posts: 2,147
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12-22-2004 23:11
Are you kidding? I was trying to save prims, and I can't use temp rez cause they need to stick around.
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CrazyMonkey Feaver
Monkey Guy
Join date: 1 Jul 2003
Posts: 201
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kinda
12-23-2004 08:52
The old particle calls have an offset. I wish the new one did too, I hate wasting prims.
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Cross Lament
Loose-brained Vixen
Join date: 20 Mar 2004
Posts: 1,115
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12-24-2004 14:02
I had to wrack my brain to find a way to arbitrarily place particles in space; I've managed to build an (almost) all-particle avatar radar system. You can't directly place particles wherever you want, however you can get around this.
What I did was set the particle system type to ANGLE_CONE, and set a very very small OUTER_ANGLE value (like, maybe one degree or so). This will place particles in effectively one position, aligned (more or less) along the z-axis of the containing prim. Then the fun part. I use llSetRot() to rotate the prim, to point the z-axis in the direction I want to generate a particle in, then set BURST_RADIUS to the desired distance from the generator, then drop a couple particles there. Stop the generator, point it to the next direction, adjust the burst radius, rinse, repeat.  Edit: On a related note, am I the only one who thinks the behaviour of ANGLE_CONE is really, really tardcore? I mean... the cone described by OUTER_ANGLE is not centered on any of the prim axes! As you increase the radius of the cone, the centerline of the cone starts creeping down from the z-axis towards the y-axis (I think). This is completely different behaviour from say, the cone volume described by a sensor, which is always centered on the x-axis. Grr. _____________________
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Strife Onizuka
Moonchild
Join date: 3 Mar 2004
Posts: 5,887
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12-25-2004 03:07
Edit: On a related note, am I the only one who thinks the behaviour of ANGLE_CONE is really, really tardcore? I mean... the cone described by OUTER_ANGLE is not centered on any of the prim axes! As you increase the radius of the cone, the centerline of the cone starts creeping down from the z-axis towards the y-axis (I think). This is completely different behaviour from say, the cone volume described by a sensor, which is always centered on the x-axis. Grr. ahhh that sounds like a bug. but cool idea, wish i thought of it. _____________________
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