public static EECOut ConvertEndPoint(EasyEllipseInput eei)
{
float rt1 = (eei.t1 / 180f) * (float)Math.PI;
float rt2 = (eei.t2 / 180f) * (float)Math.PI;
float rot = (float)Math.PI * (eei.rotation / 180f);
float cr = (float)Math.Cos(rot);
float sr = (float)Math.Sin(rot);
//get point 1
float x1, y1;
getpoint(rt1, cr, sr, eei.rx, eei.ry, out x1, out y1);
// get point 2
float x2, y2;
getpoint(rt2, cr, sr, eei.rx, eei.ry, out x2, out y2);
// the end point is desired start, minus our start, plus our end.
return(new EECOut()
{
x = eei.start_x - x1 + x2,
y = eei.start_y - y1 + y2,
reflex = Math.Abs(eei.t2 - eei.t1) > 180f,
clockwise = true
});
}
public static IEnumerable <System.Drawing.PointF> Generate(EasyEllipseInput eei)
{
float rt1 = (eei.t1 / 180f) * (float)Math.PI;
float rt2 = (eei.t2 / 180f) * (float)Math.PI;
float rot = (float)Math.PI * (eei.rotation / 180f);
float cr = (float)Math.Cos(rot);
float sr = (float)Math.Sin(rot);
// init point get offset to start
float x, y;
getpoint(rt1, cr, sr, eei.rx, eei.ry, out x, out y);
float of_x = eei.start_x - x;
float of_y = eei.start_y - y;
foreach (double sd in EllipseUtil.GetThetas(rt1, rt2, eei.resolution, eei.rx, eei.ry))
{
float fsd = (float)sd;
getpoint(rt1, cr, sr, eei.rx, eei.ry, out x, out y);
yield return(new System.Drawing.PointF(x + of_x, y + of_y));
}
}
