Renderer.SettingsGlobal settings for the renderer
type body = {shape : shape;What shape the body will show as
*)filled : bool;Whether the shape will be filled
*)size : int;Radius, side length, side length, N/A, width depending on shape
color : Graphics.color;Color of body
*)table : Ephemeral.Vector_table.vtable option;Corresponding vector table
*)}Screen-space body
val reference_body : body Stdlib.refSystem's reference body
val targets : body list Stdlib.refTarget bodies in system
val speeds : speed arrayPre-selected speeds