Gravity based movement

If you like this, please check out my Sandbox sim. Thanks.
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This started out as an experiment, but I thought it looked funny how the elements, each having it's own gravitational field, create the illusion of chasing after eachother. So I added a few features allowing them to eliminate others, growing stronger with each succesful 'assassination'.

It's quite simple:

- Click to add a new element.
- Hold SHIFT &amp' click to add a player element, use
arrow keys to control.
- Hold SPACE to pause.
- The number on each element refers to it's level.

Adding alot of elements will result in something like a battle, where mighty elements might appear from. I'm also aware of the fact that this doesn't make any sense, just use your 'imagination'.