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mrunion
11-13-2003, 09:18 AM
OK, first off, don't hate me because I mention some different software. I am NOT trying to play "compare X and Y".

Lately there has been alot of disucssion about stopping particles, etc. It seems to me that there would definintely be a use for a small enhancement to LightWave. (Heck, it may already be coming, I don't know!)

Anyway, Blender (free 3D software at http://www.blender3d.org/) has IPO curves for alot of things -- just like LightWave's Graph Editor does. But Blender has one for "Time". When this curve indicates a value above 0 (it's default is 1), time flows "normally". Normal time flows forward, frame by frame -- just like things now.

When this curve is EQUAL to 0 (zero), time "stops" for that object. If the value of the curve at frame 23 is "0" for an object, it is perpetually LOCKED at that point in time -- particles and everything.

Now, when the curve value goes BELOW 0, time flows BACKWARDS.

The IPO could be assigned to any object in the scene, so cameras, lights, etc. could keep going, but the particle emmitters could be "stopped". They just freeze. When an objects Time IPO starts again, it picks ujp right where it left off.

Now, the object with time still "knows" time has passed, but it basically "ignores" anything up until time restarts for it.

Does any of this make sense?

(http://download.blender.org/documentation/html/x4752.html)

Examples:
http://www.adyus.net/buffer/sparks.avi


Also, this *may* be able to be done by writing a plugin, but I don't think so. One would have to have access to alot of internal information to handle it.

As far as coding, I don't know how hard it would be to implement, but I wouldn't think that on a scale of something like LW it would be one of the harder features to add. Heck, Blender is OpenSource now so one could always browse that code! I may do that....

Matt
11-13-2003, 11:18 AM
Oooh that AVI is nice - instant bullet-time!

If this could be rolled out to more items than just particles it would be one cool feature!!

Exper
11-13-2003, 11:28 AM
Yep! :D

mrunion
11-13-2003, 11:40 AM
Well, in blender it can be applied to anything that has "time" relevance.

It is sometimes used to make parts of an animation "slow-mo" while other things are going along in "regular" time.

The funny thing about the Time IPO it seems -- it's relative!

(OK, bad pun!)

Matt
11-13-2003, 12:18 PM
pretty cool feature for a free package, come on NT let's 'ave it!!! :)

Parsec3d
11-13-2003, 12:37 PM
I think worley had a plug to do something like that.. but
can't remember the name ..

Jarno
11-13-2003, 02:39 PM
We have a plugin called Timewarp that does something like that. It's in the shop at http://www.tufflittleunit.com/

It would be great if time warping was supported directly in LW. One thing I would like to see as well is the ability to have multiple timelines which can be related to each other by parenting. For example, you could have each object in your scene have its own timeline which is connected to the world timeline through an envelope.

---JvdL---

mrunion
11-13-2003, 05:08 PM
Cool!

Now I just gotta scratch up $95 bucks!

KillMe
11-13-2003, 06:06 PM
i asked for something like this a while back =) would definatly be nice hehehe isn't blender open source =) devious mind :p :eek:

Panikos
11-14-2003, 03:02 AM
http://home.nordnet.fr/~phoneikon/Plugins_001.htm

DisplacementBaker, does this and many other things.

ponder_it
11-17-2003, 08:12 PM
But Us Mac users are left in the dark on this one. I'm in need of a global versions. By global version I mean one that affects Motion Designer and many other like it.

Tuff luck for me I guess. If the Tuff little Unit team supported mac, I'd buy it tomorrow.


Cheerz

Panikos
11-18-2003, 09:59 AM
ponder, I can understand you.
If you find some other people using LW on macs, and ask any developer I am sure he can do something, or even colaborate with a Mac-developer and recomplire his tools for Mac.

Matt
11-18-2003, 11:00 AM
it's a shame .p files aren't multi-platform like lscripts can be.

ponder_it
11-18-2003, 11:11 AM
I so much agree. A time ramp plug-in for me for what I am doing right now would be so much of a benefit. Oh well.

This should be something basic built into lightwave mat this point. Especially in todays market of Visual effects and post production.