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Old 06-05-2008, 02:41 PM   #1
WH33LS
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Default Lots of Sparks (question)

could someone explain how to make a LOT of Sparks with maya 7?

sparks like cutting metal with a welding torch, lots of sparks

Thanks in advance and any help is greatly appreciated
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Old 06-05-2008, 03:10 PM   #2
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I'm just finishing up here at work, so gimme a few hours to get home and I'll walk you through it

Hows that?

In the meantime, essentially, to achieve welding sparks, you simply emit particles via a directional or omni emitter at the time your animation requires it

We will go over using:
-The Hardware Renderer
-Hardware particle types
-and more
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Old 06-05-2008, 03:16 PM   #3
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would be great and much appreciated, ty

ill just tell you what i wanna make now tho

im making a welding website, to show off my welds / what i build as a portfolio type website to add to resumes


when someone logs on, the top section (title area) will just be 1 color

then sparks would start coming out / falling as if using a plasma cutter or Oxy/acetylene torch to cut thru metal, and id animate the 'cut' to cut out the name of my website

quickly going thru the letters and each letter falling out as its done, resulting in name of website once its all done

figured it would be neat .. but i mostly just need help and assistance with creating sparks (assuming using a partical emmiter, randomizing spark life time, gravity, and clarifying key framming the spark path

i know animation with keyframes etc

but if you think you can be of assistance , would be great

Ty
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Old 06-05-2008, 03:26 PM   #4
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No problem, however, I just wanted to ask, how familiar with Maya's particle module are you?

Also, do you have and are you familiar with a compositing package?
(After Effects, Fusion, Shake, etc.)

I just don't want to insult your intelligence before we begin

See you in a few hours.
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Old 06-05-2008, 04:12 PM   #5
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sounds like you need to do surface emission, 'emit from dark areas!!!'

rage you are up for a full on tut here.., from what i can see WH33Ls wants his logo or brand name to emit particles

how familiar WH, are you with the paint tools, photo shop, ect

man you cant complain about the service on this site
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Old 06-05-2008, 04:50 PM   #6
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lol, your right, and thats exactly what I'm in the middle of doing

Give me about an hour or so, I just got home from work, so I gotta setup a simple scene and I MIGHT just do this as a QUICK, and SMALL video tutorial for you guys to download.

....its just easier for me
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Old 06-05-2008, 09:32 PM   #7
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Ok, finally done.

Good news, bad news:

-Good news first:
Attached is the shader and the scene file I made that you can tear apart and learn from.
Just open it, play it for a few seconds, then render

-Bad news is after 3 recording sessions, my video is still over 60 megs
So, I'm going to try to shorten it tomorrow
Attached Files
File Type: mb rsparksdemo_01.mb (68.8 KB, 61 views)
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Old 06-05-2008, 09:33 PM   #8
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...and here is the shader
Attached Files
File Type: mb rsparks.mb (2.8 KB, 46 views)
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Old 06-05-2008, 09:39 PM   #9
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heres a sample image:
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Old 06-05-2008, 10:22 PM   #10
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i didnt think you could get it down as low as needed.., thats a lot of work there my friend..,

i might check it out and do a screen grab thing to keep in practice.., but ive moved and things are a little crazy.., so cant promise anything


great try mate.., three strikes nd you know your out.., what about U Tube??
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Old 07-05-2008, 02:34 AM   #11
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Originally posted by ragecgi
Ok, finally done.

Good news, bad news:

-Good news first:
Attached is the shader and the scene file I made that you can tear apart and learn from.
Just open it, play it for a few seconds, then render

-Bad news is after 3 recording sessions, my video is still over 60 megs
So, I'm going to try to shorten it tomorrow
Hey rage, if you can't get it any smaller send it to me and I can host it, or send me a pm and I can set you up with ftp on my site and we can host it that way. I have oodles of bandwidth to work with.
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Old 07-05-2008, 02:47 AM   #12
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you might try putting the example on a motion path.., maybe you could import that as an .AI.., then animate the letters falling out? or push a volume field through it at an angle as the animation moves across the letters????

just a thought
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Old 07-05-2008, 03:14 AM   #13
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i just wacked Rage's example cone onto a motion path and it worked well.., considering it took ten minutes
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Old 07-05-2008, 03:15 AM   #14
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and once more.., with feeeling
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Old 07-05-2008, 05:16 AM   #15
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I appreciate the bandwidth help guys, but it has nothing to do with that or compression.

After all, its almost a half-hour long (43000 frames) at 1024x768

Like I said, the tutorial itself is simply too long, so maybe I'll try again tonight to explain it in less than 24 minutes
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