Moho Animation Forum

Hi,
I'm trying to create a walk, using "Cycle Interpolation" set to additive cycle. The character is not "in place" but actually moving forward.
I created the poses for a complete cycle and it looked fine, but when i set the animation to cycle, the character starts displaying a 'drift' meaning an incremental deviation on each cycle on some of its parts.
i suspect it is caused by slight deviations in bone position between the poses in the start (the absolute frame i point to in the Cycle) and end frame of the cycle.

How to prevent this?

i thought it could be prevented by using an exact copy of the bone keys from the frame i cycle back to.
but how to do this?
Any tips and tricks in how to hunt down the bones/keys that cause the problem?

how do you copy a pose and reposition it to the new position in the walk?
if i select/ highlight all the bones i cannot move them to a new location.
i had created an screenshot to illustrate , but the forum doesn't allow adding an image

The first thing I do in a cycle is copying the bone keys on #1 to the 1st frame after the cycle - repeatedly, if I make adjustments on #1 later. This is easy as long as everything is in one bone layer.

When my cycle consists of several layers, and keys in several channels, I double-check each channel if 1. I set the cycle 2. I set the cycle to the same frame number each. This became much easier since Moho allowed to select more than one layer and show all channels.

Hi Markus, Thanks for responding.
I have a single bone layer anim.

What do you mean with 'copying the bone keys on #1 to the 1st frame after the cycle'
For arguments sake say you have an 8 frame anim you want to cycle:
you copy the bone keys of frame 1 to frame 9, then you set the bone keys on that frame 9 to cycle 'absolute' to frame 2 (because 9=1)
this works fine for a static cycle.

but when the cycle moves you need to adjust the position of the character on frame 9 to match up and continue from frame 8 and this is where my trouble starts.
because i'm not sure how to do this.
i tried only adjusting the main/motherbone to shift the position horizontally using the shift key and that seemed to help drift on the body,
but i couldn't get the pinbone on the feet to a position to have them cycle without drift
is there a way to shift the position of a selected character without disturbing the relative positions of all its bones?
you could maybe using the layer? but i tried that too and ran into other issues...

how do you re-use pose 1 on frame 9 without the walk drifting?
surely this is a very common scenario, but i havent found a tutorial addressing this yet

Ah, I see - or I think I do ...

1. Use relative cycling.
2. For the forward motion, I usually use Layer transform, but translating the root bone should do as well. Same cycle length, only this is set to relative and additive.

This works nicely for me, but I only use rotational bone movements and no pinbones. If I have an element which stays on the ground while the character moves on, I set it to step on #1 and on #9 (in your example) to relative and additive cycle again.

This tutorial could help you: