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Lokai2000 — Poser Custom Physics Test
by-nc-nd
Published: 2007-07-01 23:19:46 +0000 UTC; Views: 3636; Favourites: 13; Downloads: 311
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Description
Click on download to see the animation. I will get around to improving the quality someday. Sorry about the large file size. I need to figure out how to get poser to make smaller flash files.The simple answer is that this turned out to be a whole lot more effort than I would have ever imagined.
The animation was done in poser. I decided to try to add some physics modeling to the tool via pyhton scripts as a side project. The idea was to add "springs" to control motion in the scene.
I got this to work... but wow! Doing the math for the springs was the easy part. Interfacing and understanding Poser's world coordinate system was a completely different matter all together.
Translating coordinate systems so that morph targets could be used to control motion was even more difficult still.
The rubber stick tracks the blue ball in the scene while the characters hair tracks the red ball. The motion of the stick has been exagerated to show the springs in action.
I'm not sure I am going to release the script just yet. I, very badly, need to add the ability to select which morph targets motion gets applied to.
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Comments: 34
Looks really cool. I'd love to get her dress - Grecian Style would be nice to have.
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May I just ask you what program are you using for cell rendering?
I was quite stunned when looking at your gallery
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I mainly use the Povray engine with the Megapov extension. Megapov supports inking edge lines. Add some creative materials and you get some nice cell renders. However, most of the animations where done in Poser as quick and dirty jobs.
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the 3-D-ness just boggles the mind. @_@;; awesome!!
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Seriously, it is just meant to show how the motion tracks the movement of the ball. The stick doesn't represent anything in the real world.
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Pretty much like a stick.. or some metal stick... : P
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I see, cause it looks like a microphone or something
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very cool! 
i've used python before but never tried poser scripting. are there any good guides?
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Yes.... bouncy hair... amongst other things.
Unfortunately, I can't recommend any guides, as I don't know of any. I had to use other scripts and the poser python user's manual to try and figure things out. The poser documentation is not very good.
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yes, well. stuff bounces
the documentation isn't just bad. it's practically non-existent. which is weird since someone has clearly put some effort into the feature. if only we had their email address.
i wish there was a way to tie multiple morphs together to be controlled by a combination of joint movement. it was my understanding that poser 7 was to include this but i certainly haven't seen it.
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Linking morphs together would be a nice feature! I keep thinking there must be a forum someplace to discuss python programming in poser, but I didn't spend a lot of time looking for one.
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i haven't found one either. maybe we're just weird, trying to unlock the arcane and mystic secrets of python in poser
looks like hacking it is
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To make matters worse.... The code I wrote should work just fine in poser 6 as I didn't make any special calls. And yet... it doesn't....
It would appear there are some compatibility issues between the different versions of poser as well.
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every time i try to use Numeric, i get an error. i wonder if it's because i have 2 other versions of python installed (one, specifically for rails) if i try to import i'm told the library doesn't exist.
i'm actually surprised they make an API at all.
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Wow, pretty cool how you did that. So this allows the use of morphs automatically to create springy dynamics?
And is that Kururu's hair I see?
Anyways, if you need a beta tester, i'm quite the fan of stuff like this, so holler if you want me to beta test. I have Poser 7.
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That is Kururu and her hair.
Right now, I have to create special morphs called LEFT, UP, and FRONT. It should not be to hard to figure out what these mean.
I then add a special object (ball) as a child to the object with the morphs. This ball has parameters for damping, spring constant, mass, and scaling. The script uses the settings of the child to control a spring and phantom weight that is, effectively, attached to the ball. The location of the phantom weight to the ball determines how to adjust the morph settings on the parent. This last part was the toughest thing to figure out as the orientation of the parent may not match the child.
The script should work in any version of poser. I really want some means of attaching multiple balls to an object and have each control different morph channels. Right now, only one ball can be supported per actor as I can't select the morphs to be affected. This is pretty limiting. The script just plain crashes if the LEFT, FRONT, and UP moprh channels are missing from the parent.
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AWESOME! but that stick just looks too weird...
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I usually avoid Poser's Flash export because it doesn't offer enough options for either quality or file size. It tends to generate huge files with low quality animation because it uses a lousy color quantization algorithm that results in a lot of detail losses.
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pretty fancy words! scripts? dynimacs? what's that!!??
its amazing how much i've learned in one year of school. i do understand!
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Yeeeeaaaaaah!
I'm not speaking Greek anymore!
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cool
perhaps one day i'll understand half of what you just said
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