The mass of my objects does not seem to having any affect on the collision, am i missing something?

Forum Archive The mass of my objects does not seem to having any affect on the collision, am i missing something?

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  • #5865
    garrett8575
    Participant

      The mass of my objects does not seem to having any affect on the collision, am i missing something?

      #24474
      Jonathan Lampel
      Participant

        It will depend on how they are colliding. If it’s colliding with a passive object it won’t make much difference because it’s hitting an immovable wall, but if it collides with other active objects you should see a difference.

        #24475
        Jim Coote
        Participant

          I too have this problem. I set up a scene just like the one in the tutorial. Suzanne knocks over the boxes but changing the mass of either her or the boxes has no effect of the outcome. Suzanne and the boxes are both active not passive objects. Maybe a bug?

          #24476
          Jim Coote
          Participant

            Ooops, added a duplicate there. I just made a very similar scene with a ball and 3 boxes. Everything works OK. I can only assume that there is something very subtle about exactly how the scene is built that produces this problem. In the new scene changes in the mass of either the boxes or moving ball have the expected effect. This regardless of whether the values are typed in or applied via ‘calculate mass’ in the Physics tab. Very odd. If I get to the bottom of it I’ll send in another answer.

             

            #24477
            Jonathan Lampel
            Participant

              Without seeing the file, I can’t really say. But if it’s working in a new scene it must have just been a quirky situation. 

              #24478
              notmybestwork
              Participant

                There’s a chance your object collides with boxes while it’s in “animated” phase, not dynamic. Just move boxes away (for the main object to be in a “free fall”) – that’ll do the trick

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