Make some planets

Based on this OLC.
I still need to have the user click on a star and make that the center of things!
The z coordinate of the star allows you to move in three dimensions.
I want make a solar system..

# Stars: 8
GalX: 4970, GalY: 23171, GalZ: -217
My pseudo random numbers are pretty average: 0.47143134904600537
x: 0 y: 0
260, 260
Star: -1, mass: Infinity, luminosity: undefined

Oops!