| Returns | none |
| Prototype | Render:DrawCircle(Vector2 position, number radius, Color draw_color) |
| Description | Draws a 1 pixel thick circular outline at the given position, radius and color in 2D space. |
| Returns | none |
| Prototype | Render:DrawCircle(Vector3 position, number radius, Color draw_color) |
| Description | Draws a 1 pixel thick circular outline at the given position, radius and color in 3D space. |