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  • R Offline
    RiflesSpinFast
    last edited by 6 Jul 2009, 16:08

    Hey, all.

    I started playing around with SketchUp about a month ago, after my Drafting teacher told me to try it out, since I had gotten pretty good at drafting programs like AutoCAD, Revit, etc.
    It was a little hard to get adjusted, but I've really gotten to enjoy SketchUp, and I think I'm finally starting to get the hang of it.

    I downloaded SketchyPhysics today because I saw some examples on YouTube and decided that I wouldn't mind trying it out. But I'm definitely over my head at the moment x_x... Any tips and such would be appreciated, lol.

    One thing in particular I've noticed is that when I try to use the Joint Connector tool, it doesn't connect my joint to the object. It displays the words "Requires SketchyPhysics 3 CR1" Am I doing something wrong, or did I download the wrong version? =/

    Anyway, I look forward to learning a lot while I'm here. Hopefully I can turn SketchUp into a valuable tool in my repertoire.

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    • G Offline
      Gaieus
      last edited by 6 Jul 2009, 16:29

      Hi Nick and elcome.

      We have a "dedicated" SP subforum under the "Extensions and..." forum where I'm immediately moving your post as that's the place you'll get your answers.

      Gai...

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      • R Offline
        RiflesSpinFast
        last edited by 6 Jul 2009, 16:33

        Thank you.

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        • P Offline
          phy
          last edited by 6 Jul 2009, 17:06

          If you need a little help you can go to the thread above by Curbs for basics such as grouping, jointing and here's the sketchyphysics wiki
          http://sketchyphysics.wikia.com/wiki/SketchyPhysicsWiki
          Have Fun 😛

          Tableau de comparaison de Staxyn s'agit d'un mГ©dicament uniquement sur ordonnance.

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          • R Offline
            RiflesSpinFast
            last edited by 6 Jul 2009, 17:09

            Alright, cool. Checking the link right now.

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            • C Offline
              charly2008
              last edited by 6 Jul 2009, 17:10

              Hi,

              at this site you will find very helpfull video tutorials.

              http://download.sketchup.com/downloads/training/tutorials50/Sketchup%20Video%20Tutorials.html

              Karlheinz

              He who makes no mistakes, makes nothing

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              • R Offline
                RiflesSpinFast
                last edited by 6 Jul 2009, 17:22

                Ah, outstanding. Thanks.

                Question: I was reading the tutorial that phy told me to look at in the topic, and it talks about debugging to make sure the shape is right. I can't do that; under the right click menu, it goes Debug>Readback Collision Geometry and that's it, no "Run."

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                • W Offline
                  Wacov
                  last edited by 6 Jul 2009, 17:56

                  Yup, that's all we get 😄

                  It shows you the actual collision geometry of the item, which is what the physics engine 'sees'. It will (sometimes) help fix problems in models.

                  http://sketchup.google.com/3dwarehouse/cldetails?mid=3096a836877fb9af6cd8ad826e9017b8&prevstart=0

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                  • R Offline
                    RiflesSpinFast
                    last edited by 6 Jul 2009, 18:17

                    The thing is, it won't show me the geometry that SP "sees." It acts like I didn't do anything =/

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                    • P Offline
                      phy
                      last edited by 6 Jul 2009, 18:22

                      well you need to play the simulation

                      Tableau de comparaison de Staxyn s'agit d'un mГ©dicament uniquement sur ordonnance.

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                      • R Offline
                        RiflesSpinFast
                        last edited by 6 Jul 2009, 19:12

                        Play the simulation?... How do I do that?

                        Sorry if these are dumb questions, this is my first day using SP, lol.

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                        • W Offline
                          Wacov
                          last edited by 6 Jul 2009, 19:17

                          Not much point in SP if you don't play the sim! Press the play button 😉

                          http://sketchup.google.com/3dwarehouse/cldetails?mid=3096a836877fb9af6cd8ad826e9017b8&prevstart=0

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                          • W Offline
                            Wacov
                            last edited by 6 Jul 2009, 19:31

                            To make joints:

                            -Create two objects

                            -Create a joint

                            -Group the joint with one object

                            -Select the other object with the JCT, then ctrl+click the joint

                            -Play the sim!

                            Components are fine. You can also group componets with normal groups. Or normal groups in components. Or whatever...

                            http://sketchup.google.com/3dwarehouse/cldetails?mid=3096a836877fb9af6cd8ad826e9017b8&prevstart=0

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                            • R Offline
                              RiflesSpinFast
                              last edited by 6 Jul 2009, 19:33

                              Oh, okay. Sorry.

                              So I have to hit play before I can view what SP is "seeing" my geometry as?

                              Also, I'm still not able to use the Joint Connector tool. I kind of assumed all I did was click the icon, then click the joint, and then the "mother" object, but that doesn't seem to be working =/...

                              EDIT: I got my first successful movement. It was just a ball rolling down a ramp, but I think I'm finally beginning to understand the basics of this program. If I can get the joints to work, I think I can proceed in leaps and bounds.

                              EDIT2: One more question. I know you need to group everything before using SP. Would a component work just as well? I'm not really sure how all they're different, except that you can make changes to a copy of a group without changing the original. If I, say, made a wheel of a car, and needed to copy it, could I make that a component instead? Or does SP only use groups?

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                              • R Offline
                                RiflesSpinFast
                                last edited by 6 Jul 2009, 19:54

                                I tried that, it's not working =/...

                                Okay, I'll outline what I'm doing step-by-step, and you tell me where I'm going wrong. I'm sure it's some stupid mistake on my end.

                                For testing purposes, I'll try to make a wheel on a car, and push it.

                                1. Make rectangle; pull it into box.
                                2. Make circle; pull it into cylinder.
                                3. Make the rectangle a group.
                                4. Make the tire a group.
                                5. Copy tire 3 times.
                                6. Place tire on box (repeat for all tires).
                                7. Place hinge on the center of the tire; use the opposite center as axis (this makes sense in my mind as how to do it, lol). Repeat for all four tires.
                                8. Group tire and hinge together (repeat for all tires).
                                9. Click "Joint Connector."
                                10. Select one hinge, then box (repeat for all tires).
                                11. Place over static ground.
                                12. Hit play.
                                13. Attempt to push.
                                14. Instead of turning, wheels hilariously fall off like it's a Loony Toons cartoon <.< >.>
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                                • P Offline
                                  phy
                                  last edited by 7 Jul 2009, 01:09

                                  LOL #14 was kinda funny.
                                  It isn't really a stupid mistake. Select joint tool, click on the joint, then holding left control click on the mother object.

                                  Tableau de comparaison de Staxyn s'agit d'un mГ©dicament uniquement sur ordonnance.

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                                  • R Offline
                                    RiflesSpinFast
                                    last edited by 7 Jul 2009, 02:29

                                    Aha! I got the wheels to turn.

                                    I did a few things differently, and I'm not sure which one fixed it =/...

                                    I put the joint on the inside, between the body and the tire. Before I was putting it on the outside. I also clicked after I ctrl+clicked the mother object. That probably seems like one of the "duh" things, but it never even crossed my mind. I absentmindedly hit enter and went on my way, lol.

                                    But whatever it was, it worked.

                                    I think once I figure out how all the different joints work, I can do some pretty cool stuff with this.

                                    Anyway, thanks a lot for your help, guys. I know noobs like me probably get pretty annoying, lol.

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                                    • P Offline
                                      phy
                                      last edited by 7 Jul 2009, 02:39

                                      Oh something I forgot to tell you was the "UI" button that's on the sketchyphysics toolbar. This button has a window that enables you to modify joints. Wasn't sure whether you knew or not just thought you'd like to know.

                                      Tableau de comparaison de Staxyn s'agit d'un mГ©dicament uniquement sur ordonnance.

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                                      • R Offline
                                        RiflesSpinFast
                                        last edited by 7 Jul 2009, 03:06

                                        Yep, that's what I'm playing around with right now.

                                        I'm having some issues getting the controller thing to work.

                                        I've got two blocks with a hinge in the middle, for testing purposes. I name the joint "Main," and then hit play to get my control display up, and I get an error message that says, in a nutshell, "I REFUSE TO COOPERATE MUAHAHA."

                                        I'm sure I'll get it eventually, though.

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                                        • W Offline
                                          Wacov
                                          last edited by 7 Jul 2009, 07:36

                                          You probably want a controller. It was slightly easier in SP2, but all you need to put is:

                                          slider("name")

                                          http://sketchup.google.com/3dwarehouse/cldetails?mid=3096a836877fb9af6cd8ad826e9017b8&prevstart=0

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