a2Circle This command will draw an unfilled circle on the screen.
Syntax
    a2Circle x, y, radius, color
Parameters
    x
Float This value specifies the X coordinate of the center of the circle.
    y
Float This value specifies the Y coordinate of the center of the circle.
    radius
Float This value specifies the radius of the circle.
    color
Integer This value is a 32 bit integer specifying alpha, red, green, and blue color values for the circle.
Returns
This command does not return a value.
Description
This command will draw an unfilled circle on the screen. The circle is anti-aliased.
Example Code
    x = screen width()/2
    y = screen height()/2
    radius = 100
    color = 0xFFFFFFFF

    a2Circle x, y, radius, color

    WAIT KEY
See also
a2FillCircle Advanced 2D Index Main Menu