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    Zero mass?

    Scheduled Pinned Locked Moved SketchyPhysics
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    • W Offline
      Wacov
      last edited by

      How easy would be to add a noMass, or noGravity state to SP? This would be for things like sensors, which could be hundreds of times larger than any vehicle/mechanism carrying them, ruining them. I've also had problems with emitted ammo, which weighs down the relatively flimsy aiming system. I'm not asking for adjustable weight, just the ability to turn it off on individual objects.

      Note: Sensors that big would tie in to the ability to detect which object is touching; otherwise, it'd just constantly detect the static mesh. I understand the effects of zero mass, I'm sure modellers could come up with interesting ways of using it...

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

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      • P Offline
        Physicsguy1
        last edited by

        It would be useful with complicated camera systems.

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        • C Offline
          CPhillips
          last edited by

          If something had no mass it would go flying off at a million miles an hour as soon as anything touched it.

          Do objects with "nocollision" appear to have mass? I admit I dont know.

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          • B Offline
            BTM
            last edited by

            Yes, nocollision objects have mass, just like any other object.
            reallysimpletest.skp

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            • W Offline
              Wacov
              last edited by

              Okay... I just need a way to have an extremely large, noCollision object to have no effect on whatever it's attached to. So, no weight, and no inertia... so, as far as the physics goes, it's not there.

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

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              • B Offline
                BTM
                last edited by

                That's right.

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                • M Offline
                  MrPlanet
                  last edited by

                  It would also be useful to change state-in-a-script

                  if frame==350 then (change.state=="noMass");end;
                  

                  I reject your reality and substitute my own.

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                  • W Offline
                    Wacov
                    last edited by

                    That's coming in SPIV

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

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