public Vector3[] GetVectors(IShape2D shape)
{
RectangleF r = shape.Bounds;
float x0 = -0.5f * dxy;
float y0 = x0 * (n - 0x01);
x0 *= (m - 0x01);
double dxyinv = 1.0d / this.dxy;
int xi1 = Math.Max(0x00, Math.Min(n - 0x01, (int)Math.Floor((r.X - x0) * dxyinv)));
int xi2 = Math.Max(0x00, Math.Min(n - 0x01, (int)Math.Ceiling((r.Right - x0) * dxyinv)));
int yi1 = Math.Max(0x00, Math.Min(m - 0x01, (int)Math.Floor((r.Y - y0) * dxyinv)));
int yi2 = Math.Max(0x00, Math.Min(m - 0x01, (int)Math.Ceiling((r.Bottom - y0) * dxyinv)));
int dx = xi2 - xi1;
int dxa = n - dx - 0x01;
int k = yi1 * n + xi1, K;
Vector3 v;
Stack <Vector3> vs = new Stack <Vector3>();
for (int y = yi1; y <= yi2; y++)
{
for (K = k + dx; k <= K; k++)
{
v = PosNor[k];
if (shape.Contains(v.X, v.Z))
{
vs.Push(v);
}
}
k += dxa;
}
return(vs.ToArray());
}
public override bool IsContained(IShape2D shape)
{
return(shape.Contains(WorldCircle));
}
public override bool IsContained(IShape2D shape)
{
return shape.Contains(WorldRect);
}
public bool ShapeContains(Point2D p)
{
return(shape.Contains(p));
}
public Vector3[] GetVectors(IShape2D shape)
{
RectangleF r = shape.Bounds;
float x0 = -0.5f*dxy;
float y0 = x0*(n-0x01);
x0 *= (m-0x01);
double dxyinv = 1.0d/this.dxy;
int xi1 = Math.Max(0x00,Math.Min(n-0x01,(int) Math.Floor((r.X-x0)*dxyinv)));
int xi2 = Math.Max(0x00,Math.Min(n-0x01,(int) Math.Ceiling((r.Right-x0)*dxyinv)));
int yi1 = Math.Max(0x00,Math.Min(m-0x01,(int) Math.Floor((r.Y-y0)*dxyinv)));
int yi2 = Math.Max(0x00,Math.Min(m-0x01,(int) Math.Ceiling((r.Bottom-y0)*dxyinv)));
int dx = xi2-xi1;
int dxa = n-dx-0x01;
int k = yi1*n+xi1, K;
Vector3 v;
Stack<Vector3> vs = new Stack<Vector3>();
for(int y = yi1; y <= yi2; y++) {
for(K = k+dx; k <= K; k++) {
v = PosNor[k];
if(shape.Contains(v.X,v.Z)) {
vs.Push(v);
}
}
k += dxa;
}
return vs.ToArray();
}