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the feet cycling animation did not use physics
it was made easy by using the following free scripts
mcjAutoLimb : https://sites.google.com/site/mcasualsdazscripts/mcjautolimb
mcjKeepOrient : https://sites.google.com/site/mcasualsdazscripts/mcjkeeporient
mcjHoldOn : https://sites.google.com/site/mcasualsdazscripts2/mcjholdo
mcjAutoLimb is my most important tool for animations
the physics engine will include springs and hinges,
so you could create a "real" gas pedal and push it using an invisible cube attached to a foot
today, the standard two-bodies hinges
Looks better and better.
How do you create paths like that? Not in DS or yes?
in this case the lines and circles are simply a texture image on a plane
but on my site there's a plugin to display render paths
see
https://sites.google.com/site/mcasualsdazscripts/mcgtracepath-for-mcjtracer
https://sites.google.com/site/mcasualsdazscripts2/mcjtracerds45
in some of my images you sometimes see those lines
Ah, thanks so much. Not sure when I'll have the time to play but got them both. :-)
we know that if we make abstraction of air resistance, all objects, large and small, heavy and light as a feather all fall with the same speed profile - on Earth objects falling have an acceleration of 9.8 m/s/s, after 1 second they fall at 9.8 m/s
so ... the new thing for me is to realize that, when i see something like the image below, the fact that the movement seems slow, means that the objects are big !
i could even evaluate the size of the objects just by observing the movements
the balls are 1 meter in diameter and the swinging rod is 4.5 meters long
and this explains why a pencil falls quickly while a 100 ft tall chimney falls slowly
I can't help but mentally hear a calliope playing "Entry of the Gladiators" while looking at that animated unicycle gif.
the acrobat skills needed to do it without a seat are Barnum and Baileyesque
OMG! LMAO
Amy still on board for more death defying experiments
( maybe i understand the bullet physics 2-bodies-hinges a bit better )
anyway, enough to include them in the inpending release
impending as in next Saturday
WEEEEEEEEEEEEEEEEEE
yes
chains
dangling
could eventually be used to indirectly animate tresses and dresses
( 3 hinges )
Rag doll physics too?
there's a type of ragdoll joint / hinge n the bullet physics engine
called "cone-twist" http://bulletphysics.org/mediawiki-1.5.8/index.php/Constraints
( bullet physics engine is the open source program kit that performs the simulations )
so, i'll have a ragdoll test soon
initially it may be a stickman prop made of capsules
but i'll also try a "real" figure ... Amy may volunteer if it's minimally safe :)
example of Blender (not by me ), which uses the same engine :
http://www.youtube.com/watch?v=tiiDmr-V-D8
--
note that my system packages the physics engine as a PC-Windows .exe program
plus a Daz Script, so it's not Mac compatible except if someone will volunteer to compile my source code for the mac
another avenue i may try is to have the daz studio script
make Blender perform the simulation
which would have many advantages and most probably be mac compatible
mile high
math error while plotting ( insert nefarious plan here ) a trajectory
figure 2 is the same without the error
the white stick indicates where i want a hinge to be located and its orientation
i tell the physics engine that the 2 balls are attached to this hinge
then i ... guess ... i have to tell the physics engine
where this hinge is in a green-ball-centric universe
and where it's located in a pink-ball-centric world
it almost almost works except for a jump at the beginning of the simulation
I noticed that the lollipop in "yupall" changes colour ;-)
................
For the one doing the jumping, first thought was that it would be caused by a spider! I'm sure that's helpful :-)
you're the second person who saw it as a lollipop :)
in the first tests i saw the cone as jujubes
---
well i think i figured the 2-bodies-hinges
i must specify the position of the hinge ( the now detached lillipop stick )
in the green-ball-centric universe : : [ 0, -25, 0 ] centimeters
then in the red-ball-centric universe : [ 0, -75, 75 ] centimeters
30 seconds YT video ... for real Amy fans and nerdy physics people
https://www.youtube.com/watch?v=xbtYredDvX4
the goal is to have a first beta version out by 6pm east coast time
with the 3 types of hinges seen so far
- object attached to the world : example Amy on the wrecking ball
- steer and roll : example the BMX wheels
- 2-bodies : example all the recent examples
and simple objects
-static objects ( example the ground-cube and the green ball
-dynamic objects - the red ball and falling cement blocs
-kinematic ( animated ) objects
Looks really good there Casual!
in case you're in a hurry and want to read the manual, as it is being written
the home of the beta release will be
https://sites.google.com/site/mcasualsdazscripts3/mcjbulletservice01
though i'm less sure 6 pm will be the release time
lets say before midnight :)
i will post the client script and server program in the next hour
but it will really be intended for the adventurous nerdy kind
because the manual is probably not very detailed
and there must remain bugs and quirks and it may be crash prone
( though i did not crash daz studio during development (
i wont shout it too loud but the first beta kit is ready !
version 01
https://sites.google.com/site/mcasualsdazscripts3/mcjbulletservice01
i'll probably work on it Sunday, to improve the manual and make many test and bug fixes
it will then become version 02
( for instance, the Steer-and-roll hinge is presently not steerable at all and has hard shock absorbers )
first thing today i'll fix the steer and roll constraint/hinge
and give access to the parameters of the steering and the suspension
the "steer and roll" a.k.a. Type 3 /hinge was fixed
if you installed the server program
you only need to update the daz client script ( mcjPhysicsClient01.zip )
note: there seems to be issues with scaled objects, better use non-scaled objects for now
hopefully next weekend's version will be more stable
but for now there's enough to play with !
.... later that evening ... found the issue !