One actor moves toward another based on proximity?

Jeffm2Jeffm2 Member, PRO Posts: 94


I am trying to develop a learning game based on physics (electric principles, etc) and im trying to figure out how to make certain tasks interactive. I am having trouble putting into words what i am trying to do which is making a forum search difficult so forgive me.

I would like to make a hanging ball that as a negatively charged rod is put closer to it the ball starts to move toward the rod, thus showing it has a positive charge. I understand tying one set of coordinates to the other but if i want one end to remain attached? and how do i do this based on the proximity of the rod?

Kind of like this. Any thoughts or where to start looking.

Thanks in advance


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