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jeremydk
06-28-2009, 01:26 PM
hi, let me try to explain.

I have a flying vehicle with four small rockets that shoots downward.
They have to shoot straight away from the object at all time.
Not to inherit any movement of the parent item.

Below you see the particles shoot straight away from the emitter.

http://www.samuraifoto.com/part1.JPG

But as soon i start to move the emitter the particles move accordingly.
They are "lacking behind" in lack of better term.
Bound by scene physics.

http://www.samuraifoto.com/part2.JPG

And that is good for many things but i want it to burst straight out
at all times.
I have tried a ton of solutions with velocity, gravity, motion and so on
but it doesn't really work. As soon as i move it, it trails.

Any ideas ? If you want more info or a small scene i'd be happy to make avail.

happy to receive any ideas.

Jeremy

cagey5
06-28-2009, 01:40 PM
Care to post the scene file.

jeremydk
06-28-2009, 01:50 PM
similar scene

http://www.samuraifoto.com/part_test.zip

Mr Rid
06-28-2009, 02:37 PM
-First, calculate your PFX with a stationary emitter and then Save Motion.

-Set Playback Mode to 'Key.' The "Key" mode will start the PFX sim each time there is a keyframe on your emitter. So delete any keyframes after the frame you want the PFX sim to begin on.

-Reset emitter position, rotation & scale values to 0.

-Parent the emitter to the moving parent.

I have never had a use for the 'Key' playback mode. It makes more sense to just have a damm 'Start Frame' for PFX.

jeremydk
06-28-2009, 02:52 PM
-First, calculate your PFX with a stationary emitter and then Save Motion.

-Set Playback Mode to 'Key.' The "Key" mode will start the PFX sim each time there is a keyframe on your emitter. So delete any keyframes after the frame you want the PFX sim to begin on.

-Reset emitter position, rotation & scale values to 0.

-Parent the emitter to the moving parent.

I have never had a use for the 'Key' playback mode. It makes more sense to just have a damm 'Start Frame' for PFX.

brilliant. seems to do the trick. Thanks a lot.

karlieman
06-28-2009, 03:08 PM
Why not just turn the parent motion to 0?

karlieman
06-28-2009, 03:19 PM
Sorry for the post never mind lol.