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roxii
Poster
18 Posts
Sliders
Posted 03-Dec-2007 10:44 AM

Hi

I must have read a hundred tutorials on these, but I've never managed to make it work. Can anyone point me in the right direction of a really clear, detailed tute or tell me how to use sliders? I watch videos of people who have them rigged to car doors to make them open without manual rotation, but it never works for me.

Thanks






anthonyjackb...
Advanced Poster
1328 Posts
RE: Sliders
Posted 03-Dec-2007 2:31 PM
Modified by anthonyjackbishop On 03-Dec-2007  2:47 PM

Select the Door, select the rotate tool, turn on the auto-key move the slider up-to 10 turn off the autokey, turn the autokey back on rotate the door until it's fully open then turn the autokey off. now you have the keys set use the slider bar and you will see the door open and close.......  






Andy Rak
Advanced Poster
4289 Posts
161 Products
RE: Sliders
Posted 03-Dec-2007 2:49 PM


You probably need to WIRE the door's Rotation (whichever axis) to the Slider...  Depending on the details you may need to play with an expression to get what you want...

At first wiring can appear intimidating, but once you do it a couple of times you'll see the power of it...





Caprier
Advanced Poster
576 Posts
RE: Sliders
Posted 03-Dec-2007 3:23 PM

Be aware that, while angles in the UI are entered and displayed in degrees, when scripted (and what you enter in the Parameter Wiring dialog IS a bit of script, in a way), you have to use radians. So when you enter the expression, you need to convert the value.

Quick example: lets say you want to rotate a box from 0 to 90° around its Z axis. Create a box and create a slider. In the Parameters rollout, enter 0 for minimum and 90 for maximum. Right-click on the slider (probably twice). In the quad menu, click on Wire Parameters and go to Object (Slider) > value. Then click on the box and go to Transform > Rotation > Z Rotation.
Now you have the Parameter Wiring dialog, with the slider on the left and the box on the right. To convert from degrees to radians, in the right field where you see 'value', change it to 'value * pi / 180'. Finally click the arrow going from left to right (the slider controls the box, not the other way around) and click on Connect.
You can close the dialog and use the Select and Manipulate tool to move the slider. If you want to make it rotate the other way, just add a 'minus' at the beginning of the expression: '- value * pi / 180'.

Hope this helps (and works!)

Caprier
Advanced Poster
576 Posts
RE: Sliders
Posted 03-Dec-2007 4:00 PM
Modified by Caprier On 03-Dec-2007  4:00 PM

And here is the video (TSCC codec if needed).

 

bhnh
Advanced Poster
801 Posts
28 Products
RE: Sliders
Posted 03-Dec-2007 6:32 PM

See if this is of any help... creating control Sliders.
Caprier
Advanced Poster
576 Posts
RE: Sliders
Posted 03-Dec-2007 8:32 PM

Wow! That's useful, Bruce. I made a try and apparently, if you choose Angle instead of Float, you don't even need to convert from degrees to radians.

So, if you have a robot to animate for example, you can have 30 sliders in a dummy's rollout? Is there a limitation to the number of custom controls (other than the computer memory)?

bhnh
Advanced Poster
801 Posts
28 Products
RE: Sliders
Posted 03-Dec-2007 9:05 PM
Modified by bhnh On 03-Dec-2007  10:00 PM

That's right, Cap, there's no limit on how many sliders/spinners you can add.  When I rig characters that have arms, I link the wrist IKs to a dummy or shape, and then load the dummy/shape with sliders to control fine finger/hand/elbow movements (I use the Reaction Manager specifically to program various finger movements, which are then linked to the sliders).
bhnh
Advanced Poster
801 Posts
28 Products
RE: Sliders
Posted 04-Dec-2007 7:39 AM
Modified by bhnh On 04-Dec-2007  7:40 AM

A couple of caveats on wired controls...

- Once you wire a control for, say, Y_rotation of an object,  the only  way you can rotate the object on that axis is by using the control.

- Sliders are faster and more convenient to use (IMHO) but they tend to be rather inexact.  If you want precise control, an exact number of degrees turned, for instance, you'll be better off using a Spinner.


mutantcel
Poster
92 Posts
1 Product
RE: Sliders
Posted 04-Dec-2007 8:03 AM

It is not as nice as bhnh's tuts but this is how I wire a slider.  It seems a bit quicker but when you are in the video game industry, you need to be quick to give you an edge.
I am now disabled so I am a bit slower but the knowledge is still there.  This is my first attempt at a tut in Captivate, so I hope it helps some one. Sliders Tutorial
bhnh
Advanced Poster
801 Posts
28 Products
RE: Sliders
Posted 04-Dec-2007 8:19 AM

That's the balls, as my son would say, MC.  I was completely unaware of the Manipulator Sliders.  I learn something new every day; many thanks!

The .cp looks good!  As you've noticed, Captivate has its recording quirks. |:-\   I generally run through it after recording to delete the funky slides and edit the time (you can reset the default time-per-slide down from 4 seconds).

Eddie T
Advanced Poster
304 Posts
RE: Sliders
Posted 05-Dec-2007 8:33 PM

Hey B how is it possible to be able to view your tut online but inorder to view the files you sent to me it seems that I have to have the program
Caprier
Advanced Poster
576 Posts
RE: Sliders
Posted 05-Dec-2007 9:56 PM

bhnh said: I was completely unaware of the Manipulator Sliders.

This makes me wonder... Is there a problem with the video I posted? Don't get me wrong, I just mean something with the download or the codec.

Andy Rak
Advanced Poster
4289 Posts
161 Products
RE: Sliders
Posted 06-Dec-2007 7:23 AM


Manipulator sliders rock... especially for complex rigs... like this crane =D

http://www.turbosquid.com/FullPreview/Index.cfm/ID/258117

(see last couple preview images for the manipulators)... It beats zooming in every time you need to animate something.




bhnh
Advanced Poster
801 Posts
28 Products
RE: Sliders
Posted 06-Dec-2007 9:59 AM
Modified by bhnh On 06-Dec-2007  10:01 AM

My bad, Cap.  I hadn't had time to download your vid when I had previously posted.  Good stuff!

@Eddie

Perhaps I sent you the wrong file.  There should be an .html file in there.

roxii
Poster
18 Posts
RE: Sliders
Posted 06-Dec-2007 10:46 AM

This is all brilliant! thanks a lot! ill give it all a shot.

as a question, is there any method to save those adobe vids as .avi or .swf? thing is, the computer i use to do my 3d work isnt internet enabled because i dont have the means yet...so i can watch the vids in the library, but not implement them without taking them home.

thanks again








 

Caprier
Advanced Poster
576 Posts
RE: Sliders
Posted 06-Dec-2007 1:16 PM

Thanks for answering, Bruce.
mvbskoville
Advanced Poster
466 Posts
RE: Sliders
Posted 06-Dec-2007 2:43 PM

roxii

  I've been copying them with Camtasia, haven't tried it with SnagIt. (less expensive)
Eddie T
Advanced Poster
304 Posts
RE: Sliders
Posted 07-Dec-2007 9:20 AM

Mope just the Cap files
bhnh
Advanced Poster
801 Posts
28 Products
RE: Sliders
Posted 07-Dec-2007 9:23 AM

Sorry about that, Eddie; I obviously sent you the wrong file.  What was the tute about, again?  I'll get the right one to you.
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