Yes, it is vector (x,y,z) that is initiated every time you hit the Play button. The default is 0.5 and that is workable and I left it untouched for my simulation. I used 0.001 as an extreme only because the scale was so small.įriction is (in my experience) more about “slipping” or “sliding” and Damping would more effect the “bounce.” So, if you have a stack of cubes on a flat plane, and you send a ball to knock them over, as they scattered the Friction settings on both the plane and cubes would impact how much the cubes would “slide” away - Damping would impact how much they would bounce. As it turns out the original file that I worked from, the overall scale was very small and consequently I could see the 0.02 gap when objects bounced off each other. The default Margin is 0.02 - which should be fine in most cases. I'm not an expert, but I will do my best to answer them all as clearly as I can: Thanks for your comments and GREAT great questions by the way Jeanny. Can you advise where one can find beginner 3D physics specifics? I don't understand specifics involving Elasticity? When I think about Elasticity I think of rubber bands and girdles.Īs you can see I am mushroomed out (In the dark) on 3D physics.ħ. Is that something you just have to play with?Ħ. Concave, Friction and Margin was to keep the balls from penetrating it's walls? I don't quite specifically understand the balance between Friction and Margin. Static was chosen to keep the object stationary?ĥ. Why did you use Convex hull on the Balls instead of Convex? I don't understand the difference between the two?Ī. Is it because the gravity setting and mass on the Pink Balls was low thus they succumb to gravity slower than the Green Ball's heavier mass? (What goes up must eventually come down and heavier objects come down faster)ģ. How did you get the Pink Balls to reverse their direction of flow once the Green Ball came into their area? How did you get the Pink Balls to travel opposite the Green ball's direction?Ģ. The friction's value is set to be enough to slightly scatter the balls but not so much as to make them go crazy?ġ. The margin of the balls is low to allow the balls to get close yet not penetrate each other?ī. Now that I've taken a long hard look at your settings I'm only non-specifically guessing:Ī. Would I ever have guessed how to achieve what you did. To me your method is absolutely brilliant! I had no idea were to begin nor
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