[Plugin]$ Keyframe Animation

[Plugin]$ Keyframe Animation

Postby Regular Polygon » Wed Dec 15, 2010 10:53 pm

Hi Everyone,

The Keyframe Animation plugin is at: regularpolygon.org/keyframe-animation.

Basically, this plug-in will animate the movement of objects between scenes, and it can export the animation to an AVI movie (QuickTime on the Mac), directly from SketchUp.

Since most of you are probably familiar with the other animation plugins that have been posted here, I will try to describe this plugin by comparing it with them. The main animation plugins are Proper Animation by morisdov, and Mover.rb by cmd. This plugin has a similar workflow — you save the positions of the animated objects on each scene and it moves them when the scene changes. Here are the main things that are different:

Features

-The key frames (scenes) can be easily added, deleted, renamed, or reordered. For instance, you can reverse the order of the animation by putting the scenes in reverse order.

-Precisely control the length of the animation between key frames.

-Animate any group or component. Sub-groups (and sub-components) can also be animated. They can be nested to any depth.

-Rotations are interpolated correctly every time. Proper Animation and Mover.rb run into problems with rotations, unless the point of rotation is the component's origin. This is due to a bug in the Transformation.interpolate method, which both plugins rely on.

-Generate ordinary SketchUp scenes, which capture the animation in between the key frames. Let’s call them tweens. Each tween has a copy of the animated objects, and the camera, at a different point in the interpolation between key frames.

-Export the tween animation to an AVI movie (QuickTime on the Mac), right from SketchUp.

Demos

Here are a couple demos. They were exported directly from SketchUp, and uploaded to YouTube. The first one is the obligatory rotating gears. (25 fps, 480p)



This demo uses 16 keyframes, and 12 animated components, to show the steps in the construction of a slat platform bed frame made entirely from interlocking wooden parts. (15 fps, 360p)



Tutorial

This video shows the basic steps to make a simple animation, and how to export the animation as a movie. It is a bit outdated now, it shows the workflow for version 1.3, before there was a toolbar.

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Last edited by Regular Polygon on Wed Jun 27, 2012 4:23 am, edited 8 times in total.

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Re: [Plugin][$] Keyframe Animation 1.0

Postby Rich O Brien » Wed Dec 15, 2010 10:57 pm

That is an amazing, much sought after, addition to SketchUp :thumb:
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Regular Polygon » Wed Dec 15, 2010 11:11 pm

rclub24 wrote:That is an amazing, much sought after, addition to SketchUp :thumb:


Thanks! :D It has a few new features for keyframe based animation. The updates, hopefully, will have some more.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby solo » Wed Dec 15, 2010 11:16 pm

Very nice, great to have additional animation options.

Now, note to render app developers, get working on this as we'd like to render these animations also. ;)
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Re: [Plugin][$] Keyframe Animation 1.0

Postby thomthom » Wed Dec 15, 2010 11:19 pm

Looking very interesting. Will have to have a look at this.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby tfdesign » Wed Dec 15, 2010 11:26 pm

A great plugin, but I think your price is a little on the steep side.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Regular Polygon » Wed Dec 15, 2010 11:28 pm

thomthom wrote:Looking very interesting. Will have to have a look at this.


Great! If you, or anyone else, has suggestions for the design, or for new features, I am interested in the feedback.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby solo » Wed Dec 15, 2010 11:32 pm

I'd like to see some sort of dialogue, or maybe a toolbar if possible.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Regular Polygon » Wed Dec 15, 2010 11:43 pm

tfdesign wrote:A great plugin, but I think your price is a little on the steep side.


Well, I guess the market will ultimately decide this issue. But, compared to other commercial animation plugins, I thought the price was a bargain. :|
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Re: [Plugin][$] Keyframe Animation 1.0

Postby dtrarch » Thu Dec 16, 2010 2:38 am

RP

It is :thumb:

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Re: [Plugin][$] Keyframe Animation 1.0

Postby Regular Polygon » Thu Dec 16, 2010 4:47 am

solo wrote:I'd like to see some sort of dialogue, or maybe a toolbar if possible.


I agree. Web dialogs will likely be in the updates.

A toolbar is quicker than a menu. But if you make shortcuts for the menu items, then you can access them just as fast.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby tfdesign » Thu Dec 16, 2010 12:21 pm

Regular Polygon wrote:
tfdesign wrote:A great plugin, but I think your price is a little on the steep side.


Well, I guess the market will ultimately decide this issue. But, compared to other commercial animation plugins, I thought the price was a bargain. :|


SketchUp was offered by Google to be a non-elitist app for everyone- why I imagine, it was offered for free, but for someone living in a 3rd-world country, or someone on unemployment benefit (and there is a lot of it about these days) $20 is a lot of money. Compared to say the SDS plugin, which IMO does something a lot more complex, and costs $2 more. Or how about even FredoScale, which is a dynamite plugin, but donationware. Please, don't get me wrong, and I'm sure your plugin will do very well, but again it will be richer countries like America who will be able to afford the more basic, yet essential payware plugins, leaving many in poorer nations, out (again).

Tom :)
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Re: [Plugin][$] Keyframe Animation 1.0

Postby thomthom » Thu Dec 16, 2010 12:31 pm

Living in one of the most expensive countries in the world (a cinema ticket here is about 15$) I can't charge a price that fits the poorest - then there'd be no return value at all. Plugins take a lot of time to develop and the market for profit isn't that big. A price of 10-20$ (even 30$) isn't unreasonable.

The complexity of a plugin can not be determined unless you've seen the code for it. A plugin may appear very simple to the user, but be doing very complex things under the hood.

If this plugin had ben trivial - there'd be a free one out there already. As he mention in his post, there are some that does part of what his do, but not everything and has some issues. Providing a plugin that completes the package is worth $20. Just because SU comes in a free version doesn't mean every plugin has to be free. It's a matter of time spent and value gained. And he has contributed free plugins - so it's not as if he's all about profit.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Gaieus » Thu Dec 16, 2010 12:40 pm

thomthom wrote:Living in one of the most expensive countries in the world (a cinema ticket here is about 15$) I can't charge a price that fits the poorest - then there'd be no return value at all.

OK, how about this then; you make the plugin and I collect the money?
:lol:
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Re: [Plugin][$] Keyframe Animation 1.0

Postby thomthom » Thu Dec 16, 2010 12:43 pm

You getting into Hungarian mafia business now? :shock:
You'll be asking me for "protection"?
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Gaieus » Thu Dec 16, 2010 1:12 pm

It was just a gentle "offer". :roll:
(Now let's stay on topic...)
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Rich O Brien » Thu Dec 16, 2010 2:08 pm

I think $19 is fair considering it has a trial period and it's open licence on private use. Also any future upgrades are bundled in. Compared to tgi3d it's peanuts. I know there's more in tgi3d but so far RP has offered his plugins free. Time to reward his efforts.

@ Csaba

On topic enough? ;)
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Gaieus » Thu Dec 16, 2010 2:25 pm

rclub24 wrote:On topic enough? ;)

Yes, finally, somebody. :thumb:
:D
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Re: [Plugin][$] Keyframe Animation 1.0

Postby tfdesign » Thu Dec 16, 2010 5:09 pm

thomthom wrote:
The complexity of a plugin can not be determined unless you've seen the code for it. A plugin may appear very simple to the user, but be doing very complex things under the hood.



Sure, but your missing the point.

Just for the record, I think the UK is now catching up on Norway ;) :shock:

Open licence on private use? Sorry I didn't see that. :oops: Fair enough then! :D
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Re: [Plugin][$] Keyframe Animation 1.0

Postby jason_maranto » Thu Dec 16, 2010 5:21 pm

This looks really great -- I can do almost all of that with Dynamic components (except export) in Sketchup Pro but for Free version users who want that functionality this plugin is truly a bargain at roughly $480 less.

Best,
Jason.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby tfdesign » Thu Dec 16, 2010 5:24 pm

I'm sure it is Jason ;) :D
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Re: [Plugin][$] Keyframe Animation 1.0

Postby spence » Thu Dec 16, 2010 7:07 pm

This is a great plugin. Animation in SU is something that is so weak and this plugin will definitely help fill the gap in a big way. I see some great ways to use this plugin. Nice job!
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Ken » Sat Dec 18, 2010 10:54 pm

OK, attached are two illustrations. The illustration labeled "with", has Keyframe Animation 1.0 loaded. The illustration labeled "without" does not have Keyframe Animation 1.0 loaded. As shown in the two illustrations, Keyframe Animation greys out the bottom half of the context menu for workplane.

I am not smart enough to know why, I just discovered it.


Any help would be nice.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Regular Polygon » Sun Dec 19, 2010 12:29 am

I installed Work Plane v2.3 to see what would happen. The menu isn't grayed out for me.

workplane_context_menu.png


As I recall, the cause for grayed out menus was due to plugins that create UI::Command objects inside of context-menu handlers. If that is happening, it is not due to Keyframe Animation, because it does not create any UI::Command objects, and it doesn't even have any context-menus.

Is this bug reproducible? If you remove KFA does it go away? If you reinstall KFA, does it come back?
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Ken » Sun Dec 19, 2010 1:24 am

Regular Polygon wrote:I installed Work Plane v2.3 to see what would happen. The menu isn't grayed out for me.

workplane_context_menu.png


As I recall, the cause for grayed out menus was due to plugins that create UI::Command objects inside of context-menu handlers. If that is happening, it is not due to Keyframe Animation, because it does not create any UI::Command objects, and it doesn't even have any context-menus.

Is this bug reproducible? If you remove KFA does it go away? If you reinstall KFA, does it come back?


The two illustrations show KFA installed, the "with" illustration and KFA not installed the "without" illustration. There is no model, no other activity except, open Sketchup, make a workplane, and context menu select the workplane to arrive at the two illustrations. And yes this is repeatable.

Ken
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Re: [Plugin][$] Keyframe Animation 1.0

Postby thomthom » Sun Dec 19, 2010 1:59 am

I think this can occur if a user has an unusual high number of installed plugins. Possibly SketchUp has a limit to how many menu items it can manage.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Ken » Sun Dec 19, 2010 3:00 am

thomthom wrote:I think this can occur if a user has an unusual high number of installed plugins. Possibly SketchUp has a limit to how many menu items it can manage.


Well, Thomthom, that would be me.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby thomthom » Sun Dec 19, 2010 11:39 am

So far, I think only some of Fredo's older plugins has been identified to leak UI::Command objects. If you updated all off these, and can verify that the number of Command objects isn't growing (using the utility in the threads that discussed this) then I think you may have run into a SketchUp limit that plugin authors can't do anything about. Until Google can address this I think the only thing you can do is be a bit more selective on the plugins you have enabled.
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Re: [Plugin][$] Keyframe Animation 1.0

Postby mariocha » Mon Dec 20, 2010 4:02 am

Very interesting.
That's an improvement. A toolbar would make me buy it.
The trouble with those "scene governed animation" is that nothing can be linked. So one has to move every bits and pieces every time.
I wish sub-groups will work in a future version. So a hand would follow the arm movement, added to it's own, for instance. :)
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Re: [Plugin][$] Keyframe Animation 1.0

Postby Regular Polygon » Mon Dec 20, 2010 7:38 am

mariocha wrote:Very interesting.
That's an improvement. A toolbar would make me buy it.


Thanks for your feedback.

The trouble with those "scene governed animation" is that nothing can be linked. So one has to move every bits and pieces every time.
I wish sub-groups will work in a future version. So a hand would follow the arm movement, added to it's own, for instance. :)


I am not sure I follow you. :? This plugin supports nested animated groups. So, if the hand is a subgroup of the arm, it will move with the arm. You can add additional movement to the hand also. Just open the arm group for editing, position the hand group, close the arm group, and save the component positions.

You don't have to stop there. The hand group could have finger subgroups. The nesting can be arbitrarily deep.
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