Path subPath(double start, double end, PathType type)
{
Path result = new Path();
for (int i = 0; i < 20; i++)
{
double t = (double)i / 20.0;
t *= end - start;
t += start;
result.AddControlPt( getPt( t, type) );
}
return result;
}
public Path reversed()
{
Path result = new Path();
for (int i = Count() - 1; i >= 0; i--)
result.AddControlPt(m_Points[i]);
return result;
}
Path getPath(double U1, double V1, double U2, double V2, int numPts)
{
Path newPath = new Path();
for (int i = 0; i < numPts; i++)
{
double t = (double)i / (numPts - 1);
newPath.AddControlPt( this[U1 + t * (U2 - U1), V1 + t * (V2 - V1)]);
}
return newPath;
}
public GridSpace(Path bottomPath, Path topPath)
{
m_bottomPath = bottomPath;
m_topPath = topPath;
}
public static GridSpace fromPath(Path basepath, double height, double width)
{
Point2D right = (basepath.getEndPt() - basepath.getStartPt()).Normalized;
Point2D up = Point2D.FromPolar(1.0, right.Theta + Math.PI/2.0);
Point2D topcenter = (basepath.getEndPt() + basepath.getStartPt()) / 2.0 + height * up;
return new GridSpace(basepath,
new Path( topcenter - width / 2.0 * right,
topcenter + width / 2.0 * right));
}