Draw a filled circle.
Center X position
Center Y position
Circle radius in pixels
Color and alpha options (r, g, b, a each 0-1)
sg.drawCircle(400, 300, 20, { r: 0, g: 1, b: 0 }); // green circle Copy
sg.drawCircle(400, 300, 20, { r: 0, g: 1, b: 0 }); // green circle
Draw a filled circle.