public CubicBezierEquation(Point startPoint, CubicBezierSegment segment)
{
_startPoint = startPoint;
_controlPoint1 = segment.ControlPoint1;
_controlPoint2 = segment.ControlPoint2;
_endPoint = segment.EndPoint;
}
public static Point SplitByNextIntersection(Point startPoint, CubicBezierSegment segment, out SegmentBase segment1, out SegmentBase segment2)
{
return SplitByNextIntersection(startPoint, segment, out segment1, out segment2,
new CubicBezierEquation(startPoint, segment),
(t, p) =>
{
var a = Mid(startPoint, segment.ControlPoint1, t);
var b = Mid(segment.ControlPoint1, segment.ControlPoint2, t);
return new CubicBezierSegment(a, Mid(a, b, t), p);
},
t =>
{
var b = Mid(segment.ControlPoint1, segment.ControlPoint2, t);
var c = Mid(segment.ControlPoint2, segment.EndPoint, t);
return new CubicBezierSegment(Mid(b, c, t), c, segment.EndPoint);
});
}
public static List<Point> Approximate(Point startPoint, CubicBezierSegment segment)
{
return Approximate(new CubicBezierEquation(startPoint, segment).GetPoint, startPoint, segment.EndPoint);
}