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  08 August 2006
Not the exact same one, but close enough.

http://www.stephendgreen.pwp.blueyo...uk/waterjet.max


- Steve
 
  08 August 2006
Originally Posted by Steve Green: Hi,

yep, exactly - it basically makes it look a bit more spherical/blobby.

Cheers

Steve


Is there actually a reason why you're not using spheres as particles? You could use a falloff map to make them get more transparent towards the edges. Or maybe just using bump-mapped (or normal-mapped) "facing" particles with a radial gradient as opacity map... it might speed up the whole thing considerably.

But maybe I'm just not seeing the obvious problems with this.
 
  08 August 2006
Hi,

they just didn't seem to look as good really. With sphere geometry, it's going to be more polys than cubes, which when using object motion blur is important as it seems more memory hungry than IMB.

As for normal mapped facing particles - I don't think it would give you quite as nice lighting since it will always face the camera, but maybe it would work.

Cheers,

Steve
 
  08 August 2006
A suggestion for cheap(er) object motion blur is to render out something like 200 frames per second without motion blur, and blend the frames in post - then your computer won't succumb to the insane amounts of memory required for object motion blur on thousands of particles.

Then again, with this technique you don't get the short shutter speed effect, but then I guess you can delete all xx0050-xx200 frames after render (which means you throw away 3/4 of your render, which sucks, but the point is it means you can get object motion blur (ish) on a scene that would crash if you tried to render object motion blur in Max)

An idea for improvement would be if anyone knows how to set max to render frame intervals, like 0-50, 200-250, 300-350, etc... (without typing them all in manually, of course)?

Cheers all,
- Jonas
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  08 August 2006
you can do that in the render dialog Ussing :]

seperated by a ","

Frames : 5,1,2, 5-50

if thats what your are asking
 
  08 August 2006
No, that's exactly the kind of typing I wanted to avoid, since you'd have to type in every second manually.

Originally Posted by jussing: (without typing them all in manually, of course)?



- Jonas
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  08 August 2006
Maybe just using camera motion blur would be a better option?

- Steve
 
  08 August 2006
Originally Posted by jussing: A suggestion for cheap(er) object motion blur is to render out something like 200 frames per second without motion blur, and blend the frames in post - then your computer won't succumb to the insane amounts of memory required for object motion blur on thousands of particles.


You don't have to do that in post, since (at least for motion blur) this can be done with the "motion blur" render-effect. It lets you define the number of subframes to be used for the blur, and it can be used in viewport previews as well.

I still hope that MAX9 ist allowing to render on a sub-frame basis (so setting the frame steps in the render-settings to something like 0.5 to get a double framerate clip, without having to mess with the timeline).
 
  08 August 2006
Of course, camera motion blur, even better.

- Jonas
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  08 August 2006
....which can be combined with the slightest image motion blur, and you're flying.
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  08 August 2006
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