Animator: Parametric Animation plugin - Discussion
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Forward kinematics. You rotate a shoulder and the arm and hand follows.
Inverse kinematics. You move the hand and the arm and shoulder rotates to match the hands movement.I think it would be great to have a way of creating the hierarchy independent of how objects are grouped.
Something like bones in other software where you create a structure that you bind geometry to.
How you model and group geometry doesn't always match how you want to animate them. -
How do you control the motion of an object over time? Is it linear interpolation?
If an object moves along X at 2m/s can you control the acceleration from 0 to 2m/s in some way?
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@rich o brien said:
How do you control the motion of an object over time? Is it linear interpolation?
If an object moves along X at 2m/s can you control the acceleration from 0 to 2m/s in some way?
This should be addressed with Easing, which is supported in the Animator engine (in the initial video, you can see that the explosion of Homer is accelerated).
But I still need to build the GUI for custom easing.
By the way, I don't know if the appropriate term in English would be 'Easing' or 'Pacing'.
Fredo
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@fredo6 said:
By the way, I don't know if the appropriate term in English would be 'Easing' or 'Pacing'.
Easing.
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Will the easing have types?
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Will be cool for animate gears!
(a new gear plugin by Caermalo) -
@rich o brien said:
Will the easing have types?
[attachment=0:1tzh4w5t]<!-- ia0 -->anim-fredo.png<!-- ia0 -->[/attachment:1tzh4w5t]
Mover plugin had some easing as I remember
Great plugin as always!
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There is a nice lib on GitHub for easing in Ruby:
https://github.com/munshkr/easing-rubyAnd nice visualisations here:
http://easings.net/ -
@thomthom and Majid,
Animator should support predefined easing and custom easing. Simply, I need to build the GUI for custom easing.
Animator also supports oscillations (i.e. cyclic movement back and forth), either libnear or smooth as sinusoidal curves.
Fredo
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Time to start another donation round for Fredo!
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Nice work fredo!
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What about exporting the animation to movie formats? Would that be left to the native SU export options or would there be other means for MP#, Avi, etc., formats?
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@jclements said:
What about exporting the animation to movie formats? Would that be left to the native SU export options or would there be other means for MP4, Avi, etc., formats?
Unfortunately, the Sketchup API does not expose a method for generating videos, even if there seems to be an embedded video module in Sketchup for Scene animation.
So I test with an external tool, so that Animator can generate videos at a specified frame rate and dimension. My current tests are with MP4 (as the animation of Car Wash posted by ntxdave), but I think it can generate other formats like AVI or animated GIF. I'll check when I have time. I'll need a Mac user to validate it also works on OSX.
I also hope that rendering software have a way to generate videos.
Anyway, this is an area where more exploration is needed. By default, Animator can generate a sequence of images.
Fredo
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@unknownuser said:
Anyway, this is an area where more exploration is needed. By default, Animator can generate a sequence of images.
IMO the best way to do animation
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I agree completely that image sequences is the best and most desirable way to export animations from any software.
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What about animating textures?
Animating backgrounds and foregrounds with clouds and rain.
Animating leafs on trees.
Animating TV or PC screens.
Integrate with render engines to animate channels like displacement, bump, transparency, reflection, emittance, etc...
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@jql said:
Animating leafs on trees.
oaks in winter are supported
Working on animating snow on the top of Fujiyama.Fredo
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Animating leaves got me thinking. Would it be possible to have vertex animation with a small sinus curve to animate leaves and branches like in many games?
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Damn Pixero! I was coming here to post that! Vertex animation would simply...
Well...
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