Realism Settings/Slider

[thejmazz]

• [ ] settings for concentration
• [ ] predefined mesh generation params
• [ ] settings for speeds

High, medium, low "realism" settings, or slider if possible, can change

• shape of mesh (complicated vs simple)
• concentration of proteins/molecules (lots vs. little)
• speed of rotations (e.g. atp synthase barrel)

[thejmazz]

Densities for #26