//获取最终路径
public bool GetPath(Point start, Point end, Graphics gra, Pen myPen)
{
List <PointF> keyPoints = new List <PointF>();
Point tmpPnt = new Point();
int count = 0;
myPen.Color = Color.Yellow;
tmpPnt = parents[end.X, end.Y];
keyPoints.Add(end);
while (tmpPnt != start)
{
count++;
//gra.DrawEllipse(myPen, tmpPnt.X, tmpPnt.Y, 1, 1);
tmpPnt = parents[tmpPnt.X, tmpPnt.Y];
if (count % 10 == 0)
{
keyPoints.Add(tmpPnt);
}
}
keyPoints.Add(start);
PointF[] pnts = keyPoints.ToArray();
Bspline.DrawBspline1(pnts.Count(), gra, myPen, pnts);
return(true);
}
private void button1_Click(object sender, EventArgs e)
{
PointF[] a = new PointF[3];
a[0].X = 0;
a[0].Y = 0;
a[1].X = 10;
a[1].Y = 10;
a[2].X = 20;
a[2].Y = 50;
Bspline.DrawBspline1(3, gra, myPen, a);
//DrawBspline1();
}