I'm guessing the problem is less how to do such a thing and more so how to do so efficiently? Why not create the naive approach if you haven't already and check if it's actually a bottle neck. Right now off the top of my head I can't think of any optimizations. I think it mainly depends on what you...

Picture 1 is here

Sorry, but this forum is broken, i cant put pictures properly, they are appears randomly and attachment box is broken...

I creating a very sophisticated simulation of evolution with the DNA code. I have the cells that eats, moves and divides. New cell might be connected to parent. But this feature requires a very complicated handling of physical joints. There are few cases that can happen: 1) cells1.png 2) cells2.png ...

[/quote] No one could know that you had that line, because you didn't show your code. Next time you ask for help, please provide your code, because otherwise there's no way to help. [/quote] Well i was wrong one more time. Line: world:setCallbacks(beginContact, endContact, preSolve, postSolve) doesn...

Well, idk how it works, but i fixed. I had this line: self.world:setCallbacks(beginContact, endContact, preSolve, postSolve) That line was at few lines after original problem: self.world = wf.newWorld(0, 0, true) Somehow Lua interpreted "setCallbacks" at the same time as creating new world...

I said "Im using "windfield" library". If you dont use it then you cant help me.
Its here: https://github.com/adnzzzzZ/windfield

4vZEROv wrote: ↑Sun May 05, 2019 1:45 am If you don't provide your code I can't help you.

any answer???

Im using "windfield" library. Love2d version - latest 11.2 Line " world = wf.newWorld(0, 0, true) " gives me error from windfield itself. (edited to invalid line) Error windfield/init.lua:36: attempt to call method 'collisionClear' (a nil value) Traceback windfield/init.lua:36: i...