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    SketchyPhysics 3x June 27 version.

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    • W Offline
      Wacov
      last edited by

      Chris, how DO you freeze objects in script? Has that been added yet? I've tried frozen=true and frozen(1), but no luck.

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

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      • P Offline
        Physicsguy1
        last edited by

        Since this version is unstable, it would be best if you created a method that stops the simulation, after an amount of time, if something strange happens, or the ismulation gets laggy(breaking feature).

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        • C Offline
          CPhillips
          last edited by

          @wacov said:

          In the ontouch event, is the speed the speed of the collider at impact... and pos the point of impact?

          Yes.

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          • C Offline
            CPhillips
            last edited by

            @wacov said:

            Chris, how DO you freeze objects in script? Has that been added yet? I've tried frozen=true and frozen(1), but no luck.

            Doesn't look like I have hooked that up yet.

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            • C Offline
              CPhillips
              last edited by

              @unknownuser said:

              Since this version is unstable, it would be best if you created a method that stops the simulation, after an amount of time, if something strange happens, or the ismulation gets laggy(breaking feature).

              There isn't a "magic bullet" for that. I need to find all the different ways it can break and then tackle them one at a time.

              Post any code you find that breaks the sim and I'll put the right error checking in.

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              • W Offline
                Wacov
                last edited by

                Pretty nice cloth demo. Once again, totally copyable! I love the scripted joints


                Copyable cloth.skp

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

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                • C Offline
                  CPhillips
                  last edited by

                  Nice! 😄

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                  • P Offline
                    Physicsguy1
                    last edited by

                    That's a nice representation of cloth, Wacov!

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                    • W Offline
                      Wacov
                      last edited by

                      Thanks guys! One thing I'm finding with the cloth is it tends to collide with itself. That seriously slows stuff down, and it's not really neccessary for a semi-realistic simulation. Can we have object-specific collision detection? So, give the choice to either collide with everything, collide with everything except '...', or collide with nothing but '...'. Keep it pretty intuitive, so using a string finds objects of that name, a var for specific objects, and let us put them into an array if needed.

                      So, on the cloth, I'd name all the bars the same, and tell them to collide with everything except each other. You might also be able to make a crude fluid flow effect by creating spheres that only collide with the static mesh.

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

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                      • P Offline
                        phy
                        last edited by

                        I love the new Script field and script but I was wondering is there any way you can control a scripted joint with a slider or key.

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

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                        • J Offline
                          JaViXP
                          last edited by

                          Just a little test. Hit Play and see what happens 😉


                          Download this file

                          "Giving up is way harder than trying"
                          JaViXP's Rendering

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                          • P Offline
                            Physicsguy1
                            last edited by

                            YES!! The simulation finally registers in-simulation created objects!

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                            • C Offline
                              CPhillips
                              last edited by

                              @wacov said:

                              Thanks guys! One thing I'm finding with the cloth is it tends to collide with itself. That seriously slows stuff down, and it's not really neccessary for a semi-realistic simulation. Can we have object-specific collision detection? So, give the choice to either collide with everything, collide with everything except '...', or collide with nothing but '...'. Keep it pretty intuitive, so using a string finds objects of that name, a var for specific objects, and let us put them into an array if needed.

                              So, on the cloth, I'd name all the bars the same, and tell them to collide with everything except each other. You might also be able to make a crude fluid flow effect by creating spheres that only collide with the static mesh.

                              In the physics engine you would need materials to do that. So don't expect it until SPIV.

                              One thing you could do that might speed things up is to change the connect script to something like this.

                              
                              ontouch{|t,s,p|
                                 connect(t,"ball") if frame==1
                              
                                  #empty the ontouch event after the first frame.
                                  #this will ensure that ontouch isnt called again.
                                 ontouch{} if frame>1 
                              }
                              
                              
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                              • C Offline
                                CPhillips
                                last edited by

                                @phy said:

                                I love the new Script field and script but I was wondering is there any way you can control a scripted joint with a slider or key.

                                Not yet. 😞 But I will do that next.

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                                • C Offline
                                  CPhillips
                                  last edited by

                                  JaViXP it will work better if you change the onend to this:

                                  onend{
                                     group.erase!
                                  }
                                  
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                                  • P Offline
                                    Physicsguy1
                                    last edited by

                                    Will we be able to embed sound files anytime soon?

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                                    • P Offline
                                      Physicsguy1
                                      last edited by

                                      I tried something similar to javixp's line generator, but the groups I generated are not registered.


                                      scriptedrandomcube.skp

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                                      • C Offline
                                        CPhillips
                                        last edited by

                                        I dont know about the sound. I havent touched that code in a while, but I will see if it still works and let you know.

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                                        • P Offline
                                          Physicsguy1
                                          last edited by

                                          Tracks'n'Treads are much easier. I realy like the new version!


                                          tank.skp

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                                          • C Offline
                                            CPhillips
                                            last edited by

                                            Me too! Self connecting joints are a feature I have been trying to achieve since version 1. I HATE the JCT. Its hard to explain, tedious to use and is the reason you cant copy jointed objects. Its THE major reason I started SPIV. So, I am really glad it turns out to be possible in SP3.

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