FreakyDude
07-30-2007, 12:14 PM
Hello there, I'm trying to build an "intermediate rig" whatever the hell that means, for a cartoony character, but I want it to deform realistic (as in correct physical twisting of the upper and forearm, the elbow, shoulder etc.) I'm not after stretchy bones, maybe later to incorporate them, but currently I want a rig with as few controls as possible, but enough to have control over all the important movements.
The thing that bugs me most right now is this:
If you keep your arm straight/horizontal, a real forearm can twist about 90 degrees, the upper arm can twist about 180 degrees, combined with the roll from the shoulder, the hand can twist almost 360 degrees in total.
As for rotating, the forearm can only rotate about between 60-85 degrees in one direction>meaning the elbow cannot twist. The upper arm can rotate upwards for about a 100 degrees(combined with a shoulder roll) and down for about 120 degrees, and forwards about 135 degrees, backwards 60-90 degrees, all of these can go further if combined with shoulder rolls/rotations, and by twisting the arm you can do more as well.
I have an early version, and few of the deformation bones worked good enough, but I figured they will only work if all the rotation limits/IK/target/track to/etc constraints are spotless first...
So I want to create a rig where I can stear the arm, and rotate/place it, and the twisting rotating is handled automatically through constraints, first the forearm/wrist, then the elbow and upperarm, and then the shoulder, if possible with only one control.
I've looked at so many little and big rig examples that I'm starting to lose sight of the forest because of all those trees in it.................
Any advice on common/best used/most used ways to set up a semi realistic rig?
i want a simple to control "basic" rig with correct constraints, be it with some toony effects maybe, and on top of that I'll add deformation bones if needed. Facial controls are not even in the picture for now.
Some screens, and if someone wants to look at the files to see what I mean, just ask:
http://img338.imageshack.us/img338/3485/fella04sx9.jpg
http://img522.imageshack.us/img522/7495/bonesetup01ux8.jpg
http://img515.imageshack.us/img515/3545/bonesetupyg4.jpg
The thing that bugs me most right now is this:
If you keep your arm straight/horizontal, a real forearm can twist about 90 degrees, the upper arm can twist about 180 degrees, combined with the roll from the shoulder, the hand can twist almost 360 degrees in total.
As for rotating, the forearm can only rotate about between 60-85 degrees in one direction>meaning the elbow cannot twist. The upper arm can rotate upwards for about a 100 degrees(combined with a shoulder roll) and down for about 120 degrees, and forwards about 135 degrees, backwards 60-90 degrees, all of these can go further if combined with shoulder rolls/rotations, and by twisting the arm you can do more as well.
I have an early version, and few of the deformation bones worked good enough, but I figured they will only work if all the rotation limits/IK/target/track to/etc constraints are spotless first...
So I want to create a rig where I can stear the arm, and rotate/place it, and the twisting rotating is handled automatically through constraints, first the forearm/wrist, then the elbow and upperarm, and then the shoulder, if possible with only one control.
I've looked at so many little and big rig examples that I'm starting to lose sight of the forest because of all those trees in it.................
Any advice on common/best used/most used ways to set up a semi realistic rig?
i want a simple to control "basic" rig with correct constraints, be it with some toony effects maybe, and on top of that I'll add deformation bones if needed. Facial controls are not even in the picture for now.
Some screens, and if someone wants to look at the files to see what I mean, just ask:
http://img338.imageshack.us/img338/3485/fella04sx9.jpg
http://img522.imageshack.us/img522/7495/bonesetup01ux8.jpg
http://img515.imageshack.us/img515/3545/bonesetupyg4.jpg