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Author Topic: Morph targets and linear distortion  (Read 1254 times)

Nellucnaiv

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Morph targets and linear distortion
« on: April 12, 2018, 04:48:20 pm »

Hi all. I have just completed a cartoon bird with lots of morph targets and no bones which mostly works great but due to the linear movement of points whenever I blend a head turn from straight to sideways, in the middle I get this narrow distorted view of the face. I understand it's due to linear movement of points. I was just wondering if there is any way around this without reverting to bones? Really appreciate your inputs.
Thanks in advance,
Ian
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ENSONIQ5

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Re: Morph targets and linear distortion
« Reply #1 on: April 13, 2018, 07:55:48 am »

Only way is to add intermediate morph points but the motion will still always be linear and there will always be distortion, unless you add a morph point at every frame.  Bones really are the way to go for rotations (bends) of meshes, morphs are better suited to non-rotational distortion.
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davdud101

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Re: Morph targets and linear distortion
« Reply #2 on: April 14, 2018, 10:14:34 pm »

yup. Bones aren't too hard to use - in fact I think they're MORE versatile because it's for example easier to make things that are near-perfect mirrors for example. Like stated, you get the rotational motion that can't be had through morphs because morphs are simply "point A to point B".

I also won't fail to mention that the Sequence editor is a marvelous tool to simplify the process of repetetive animation that just isn't known to morph targets.

That sounds pretty freaky, by the way - the error. I've had some BIG issues with older version of Anim8or when trying to use morphs and then editing the object afterwards. If anything, bones gives a LOT more room for error when it comes to having to edit meshes and stuff afterwards - more flexible in that sense.


Good luck!
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Nellucnaiv

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Re: Morph targets and linear distortion
« Reply #3 on: April 18, 2018, 03:26:02 pm »

Thanks so much guys. About time I learnt to use bones. I always thought morphs were easier. Due to both your advice, I finally moved to a combo of both. Unbelievable what painting weights on bones can do! The bird's really become easy to move around now. Thanks again! :)
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ENSONIQ5

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Re: Morph targets and linear distortion
« Reply #4 on: April 19, 2018, 07:46:48 am »

Using both animation methods in combination is actually really powerful, great to hear you're moving forward :)
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Nellucnaiv

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Re: Morph targets and linear distortion
« Reply #5 on: April 19, 2018, 04:43:01 pm »

Thanks for your encouragement Ensoniq. Much appreciated! The excitement of life, to never stop learning! :)
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