swf_shapearc Draw a circular arc voidswf_shapearc floatx floaty floatr floatang1 floatang2 The swf_shapearc function draws a circular arc from angle A given by the ang1 parameter to angle B given by the ang2 parameter. The center of the circle has an x coordinate given by the x parameter and a y coordinate given by the y, the radius of the circle is given by the r parameter.