The unified fluent draw DSL. Chain members on the render buffer:

 buffer
   .BeginCamera(camera)
   .FillCircle(400f, 300f, 48f, Color.Blue)
   .Sprite(playerSprite)
   .EndCamera()
   .Text(font, "HP 100", Vector2(10f, 10f), 20f, layer = 1001<RenderLayer>)
 |> ignore

Circle, sector, and radial-gradient witnesses.

Ellipse witnesses.

Line & curve witnesses.

Triangle & polygon witnesses.

Rectangle witnesses (fills, outlines, rounded, gradients).

Ring / arc witnesses.

All 2D shape witnesses, composed from the per-family aliases above.