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    SketchyPhysics3.2 (Dec 2)

    Scheduled Pinned Locked Moved SketchyPhysics
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    • S Offline
      solodown
      last edited by

      Toujours pas de nouvelles pour faire fonctionner ce plug-in sous Mac OS X 10.5.8 avec Google SketchUp ?

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      • Z Offline
        zunkian
        last edited by

        Hi!

        Is there a manual for SketchyPhysics for beginners?
        If there is one, please upload.
        Thank you.

        Andy

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        • dereiD Offline
          derei
          last edited by

          Indeed a user manual for users that did not used ketchyPhysics before would be nice. I noticed that some beginners tips are to be fond here http://sketchyphysics.wikia.com/wiki/SketchyPhysicsWiki , but I'm sure that version 3.2 have much-much more features than are detailed there.
          Thanks.

          DESIGNER AND ARTIST [DEREI.UK](http://derei.uk/l)

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          • 4 Offline
            4dHans
            last edited by

            Could you do like explosions in a future version? That would be cool! 😍

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            • M Offline
              mickeyao
              last edited by

              MBP with 10.5.8 Thanks!

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              • S Offline
                sketchyKev
                last edited by

                @robint said:

                hi all

                Im posting some models that illustrate some points and queries

                all comments gratefully received

                Robin

                For the first one (rotating cone) you can make the motor reversible by changing the controller code to (slider('motor8055')-0.5)*2

                Using that code the middle position of the slide control is off, full left turns one way and right turns the other way.

                For the second one, to create a lift capsule do this:

                Create a solid floor.
                Place a wheel capsule with built in hinge on the floor.
                Place a lift capsule with built in slider on the floor.
                Using the JCT click on the hinge joint, then ctrl-click on the slider.
                A menu pops up asking if you want to "Create a worm gear..". Click "OK".
                Run the simulation and turn the hinge capsule clockwise and the other capsule should rise.

                You can build a lift from scratch from components. Just make sure each joint is grouped with the moving objects and joint connected with something static before trying to make the worm gear connection.

                For the record a slider is not a piston with the accel and drag values set to zero. A piston with those values will not move.

                For the rotating box using a slide controller on a hinge, the program does not recognise a controller called "speed" so it has defaulted to servo behaviour. You can get the same behaviour from a servo by setting min=-180 and max=180. It is known that servos behave badly if you try to get them to complete full circles or more than one circle. There is no need to mess with the hinge controllers as servos and motors are provided.

                For the box on a spring, the spring is orientated vertically and does not allow sideways movement or rotation. When you try to drag the box the drag action defaults to horizontal movement. To pull the box up or down inline with the spring you need to hold left-shift on your keyboard while dragging with the left mouse button. Try the spring orientated sideways and it should work fine. The springs are on the stiff side so it is worth playing with the accel and damp settings.

                Hope that helps.

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                • A Offline
                  AlainBo
                  last edited by

                  There are months now that sketchyphysics 3.2 installs 3.1 !!!

                  Don't understand this update !?

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                  • B Offline
                    bouleaux
                    last edited by

                    Hello,
                    congratulations for this marvellous job !
                    I'm using sketchup 8 on a Mac Book Pro running on Mac Os 10.5.8
                    and I would loooove to be able to use sketchyphysics with this computer
                    any chance ?
                    thx again

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                    • OxerO Offline
                      Oxer
                      last edited by

                      @bouleaux said:

                      Hello,
                      congratulations for this marvellous job !
                      I'm using sketchup 8 on a Mac Book Pro running on Mac Os 10.5.8
                      and I would loooove to be able to use sketchyphysics with this computer
                      any chance ?
                      thx again

                      Hi, bouleaux
                      I'm a mac user too, the last version 3.2 doesn't work on Mac but the 3.1 version works fine on OSX Leopard with SU 8.
                      I hope this help you.

                      "The result is the end what is important is the process" by Oxer
                      [http://www.oxervision.blogspot.com/(http://www.oxervision.blogspot.com/)]

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                      • B Offline
                        bouleaux
                        last edited by

                        Hello Oxer, many thanks
                        I tried to find the 3.1 version, but it doesn't seem to be available for download anymore (on this page : http://code.google.com/p/sketchyphysics/downloads/list)
                        Do you know of another place to find it ?
                        Thank again for your answer

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                        • OxerO Offline
                          Oxer
                          last edited by

                          @bouleaux said:

                          Hello Oxer, many thanks
                          I tried to find the 3.1 version, but it doesn't seem to be available for download anymore (on this page : http://code.google.com/p/sketchyphysics/downloads/list)
                          Do you know of another place to find it ?
                          Thank again for your answer

                          If you want i can send it you by PM

                          "The result is the end what is important is the process" by Oxer
                          [http://www.oxervision.blogspot.com/(http://www.oxervision.blogspot.com/)]

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                          • A Offline
                            AlainBo
                            last edited by

                            Hi,

                            I tried to add kaybord control on my physified lynx crane but I cannot get it working properly.
                            It actually works with sliders so, the joint position is given by the slider position so the crane's arm, for example stays in the position set by the slider.

                            With keybord control it's different and even if I can move the arm with a key, it cannot stay in position when I release the key.

                            original joints where servo. I tried to use a motor instead but the result is almost the same.

                            Any idea?


                            lynx_100ton_mobile_crane SP_KB.skp

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                            • ashscottA Offline
                              ashscott
                              last edited by

                              Here is the answer to your question from this thread: http://forums.sketchucation.com/viewtopic.php?f=61&t=44399

                              There is a much better answer than using a motor to place a joint where you want it - you need to use a servo and a little ruby script

                              Step1: place your servo within the group you want to move and attach it to a base group
                              Step2: select the servo and open the sketchyphysics UI
                              Step3: within the UI apply the following settings

                              min:0
                              max:1
                              accel:4000
                              damp:1000
                              controller:@servo1 (you can actually call it anything starting with @

                              Step4: Select the base of your model and open the sketchyphysics UI
                              Step5: place the following rubyscript in there:

                                  if frame<1.00
                                  @servo1=0.00
                                  end
                                  # this allows servo to incrementally increase based on joystick input (righty) you can change it to any of the joystick axes
                                  @servo1+=(0.5-righty)
                                  # this sets range of movement for the servo as it is not set in the servo's UI
                                  if @servo1>45;@servo1=45;end
                                  if @servo1<-45;@servo1=-45;end
                              

                              It took me a long time to work this out (reverse engineering another model) so I am more than happy to help anyone out with it if these instructions are too hard to follow.

                              I believe this is a very powerful function in sketchyphysics and I have only seen it in one model in the 3DWH

                              Just some stuff I do with Sketchup.

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                              • A Offline
                                AlainBo
                                last edited by

                                Hi Ashscott,
                                Thanks for your answer.

                                I tried your script and one I wrote and in any case I get the following error when I start the simulation:


                                Error starting the simulation: Error in Script:

                                ...

                                undefined method'<' for nil:NilClass
                                C:/Program......../ControllerCommands.rb:1314:in 'initEvents'


                                It something is not correctly initialized. Is there something to import at the beginning of the script or something like that?

                                Any idea?

                                Is there any wiki on the basics of keyboard control? The only one I know is http://sketchyphysics.wikia.com/wiki/Ruby.

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                                • ashscottA Offline
                                  ashscott
                                  last edited by

                                  You need to make sure that the name of your servo in the controller box (select the servo and press the 'UI' button) is the same name used in the script - in the example I have used the name '@servo1'

                                  It looks like it is spazzing out because you haven't got a name right somewhere......

                                  Just some stuff I do with Sketchup.

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                                  • A Offline
                                    AlainBo
                                    last edited by

                                    Hi Ashscott
                                    I didn't really take time to verify but I diectly entered the script like that in the "scripted" field. I think it's the problem because no method is known.
                                    In the "On Tick" field, no problem.
                                    I think a method, like onTick{ ...} for example, should be created.
                                    Alain

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                                    • emerald15E Offline
                                      emerald15
                                      last edited by

                                      @unknownuser said:

                                      There are months now that sketchyphysics 3.2 installs 3.1 !!!

                                      Don't understand this update !?

                                      Hmm... same thing here. I started out with 3.2 but it seemed a bit un-stable (might have been my fault - still learning). I reinstalled 3.2 but at the install wizard point it suddenly reverted 3.1. This then seemed to case more conflict & SP randomly worked or crashed. I'm also using windows 7 (x64) & SU8 - could it be this combi won't load SP3.2?

                                      Solution for the moment is running SP3 instead - but no sound effects.

                                      NB. has anyone actully produced an SP movie with sound effects - I haven't seen one yet.

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                                      • emerald15E Offline
                                        emerald15
                                        last edited by

                                        Don't know if anyone can suggest a solution here... I was getting to know sketchyphysics (although it sees a bit temperamental, not always running as it should. I'd produced a few animations (domino falls, etc.) Now it crashes as soon as I hit SP play. I've re-installed 3.1 & again onto a second PC - but still the play button crashed SU. Any ieas?... is there somehting I need to set in SU preferences maybe?

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                                        • ashscottA Offline
                                          ashscott
                                          last edited by

                                          Try making a simple SP file from scratch - sounds like there might be something in your file that is causing issues if you have been trying to open the same file - I get that often when I have made errors in SU models or ruby script before and it takes a while to work out what it is by elimination but I don't know a better way to do it

                                          Just some stuff I do with Sketchup.

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                                          • emerald15E Offline
                                            emerald15
                                            last edited by

                                            @ashscott said:

                                            Try making a simple SP file from scratch - sounds like there might be something in your file that is causing issues if you have been trying to open the same file -

                                            You're right - starting with a clean file cleared the fault. It seems there's a conflict between version 3.1 & 3.2. I started working with 3.2 & have some files created with that version. Then having had a problem, I went to re-install & could only access v3.1, so have continued using this version. If I open an existing file that was not originally created in 3.1... the programme crashes (to be expected I suppose - but it then continues to crash with files of either versions). Your suggestion has given me a way to clear the problem. Ideally, I'd like to re-install 3.2 & keep to it - but can't seem to access it now. Anyone know where its's gone?

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