--- id: screen-fill_circle name: Screen.fill_circle category: screen kind: namespace-method tokens: Screen.fill_circle sig: Screen.fill_circle(x, y, radius, color) tip: Draw a filled disc. order: 12 ns: Screen member: fill_circle --- Draws a solid disc centred at (x, y) with the given radius in color, one horizontal span per row. Use it for round bodies, bullets, and glows. ```ludic program Demo { handler DrawWorld phase Render { Screen.clear(Color.MidnightBlue) Screen.fill_circle(x: bx, y: by, radius: 6, color: Color.Gold) Screen.show() } } ```