RGB or RGBA color, or an index into graphics/rendering/settings/runtime-settings!RuntimeSettings.colorPalette.
A class with constructor new Hexagon(center: vec2, radius: number).
center is the position in world coordinates; radius controls the size in world units.
Pass the class's static descriptor to compile!compile, then pass instances to
graphics/rendering/renderer/renderer!Renderer.addDrawable.
Creates a drawable hexagon class with a shared color.