/// <summary> Multiplies each of the x,y,z components of the Point4d parameter by 1/w,
/// places the projected values into this point, and places a 1 as the w
/// parameter of this point.
/// </summary>
/// <param name="p1">the source Point4d, which is not modified
/// </param>
public void project(Point4d p1)
{
// zero div may occur.
x = p1.x / p1.w;
y = p1.y / p1.w;
z = p1.z / p1.w;
w = 1.0;
}
/// <summary> Multiplies each of the x,y,z components of the Point4d parameter
/// by 1/w and places the projected values into this point.
/// </summary>
/// <param name="p1"> the source Point4d, which is not modified
/// </param>
public void project(Point4d p1)
{
double oneOw;
oneOw = 1 / p1.w;
x = p1.x * oneOw;
y = p1.y * oneOw;
z = p1.z * oneOw;
}
/// <summary> Computes the square of the distance between this point and point p1.</summary>
/// <param name="p1">the other point
/// </param>
/// <returns> the square of distance between this point and p1
/// </returns>
public double distanceSquared(Point4d p1)
{
double dx = x - p1.x;
double dy = y - p1.y;
double dz = z - p1.z;
double dw = w - p1.w;
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
return((float)(dx * dx + dy * dy + dz * dz + dw * dw));
}
/// <summary> Constructs and initializes a Point4f from the specified Point4d.</summary>
/// <param name="p1">the Point4d containing the initialization x y z w data
/// </param>
public Point4f(Point4d p1) : base(p1)
{
}
/// <summary> Computes the L-infinite distance between this point and point p1.
/// The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2), abs(w1-w2)].
/// </summary>
/// <param name="p1">the other point
/// </param>
/// <returns> L-infinite distance
/// </returns>
public double distanceLinf(Point4d p1)
{
// return type changed from float to double as of API1.1 Beta02
return(System.Math.Max(System.Math.Max(System.Math.Abs(x - p1.x), System.Math.Abs(y - p1.y)), System.Math.Max(System.Math.Abs(z - p1.z), System.Math.Abs(w - p1.w))));
}
/// <summary> Returns the distance between this point and point p1.</summary>
/// <param name="p1">the other point
/// </param>
/// <returns> the distance between this point and point p1.
/// </returns>
public double distance(Point4d p1)
{
return(System.Math.Sqrt(distanceSquared(p1)));
}
/// <summary> Multiplies each of the x,y,z components of the Point4d parameter
/// by 1/w and places the projected values into this point.
/// </summary>
/// <param name="p1"> the source Point4d, which is not modified
/// </param>
public void project(Point4d p1)
{
double oneOw;
oneOw = 1 / p1.w;
x = p1.x * oneOw;
y = p1.y * oneOw;
z = p1.z * oneOw;
}
/// <summary> Constructs and initializes a Point4f from the specified Point4d.</summary>
/// <param name="p1">the Point4d containing the initialization x y z w data
/// </param>
public Point4f(Point4d p1):base(p1)
{
}
/// <summary> Multiplies each of the x,y,z components of the Point4d parameter by 1/w,
/// places the projected values into this point, and places a 1 as the w
/// parameter of this point.
/// </summary>
/// <param name="p1">the source Point4d, which is not modified
/// </param>
public void project(Point4d p1)
{
// zero div may occur.
x = p1.x / p1.w;
y = p1.y / p1.w;
z = p1.z / p1.w;
w = 1.0;
}
/// <summary> Computes the L-infinite distance between this point and point p1.
/// The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), abs(z1-z2), abs(w1-w2)].
/// </summary>
/// <param name="p1">the other point
/// </param>
/// <returns> L-infinite distance
/// </returns>
public double distanceLinf(Point4d p1)
{
// return type changed from float to double as of API1.1 Beta02
return System.Math.Max(System.Math.Max(System.Math.Abs(x - p1.x), System.Math.Abs(y - p1.y)), System.Math.Max(System.Math.Abs(z - p1.z), System.Math.Abs(w - p1.w)));
}
/// <summary> Returns the distance between this point and point p1.</summary>
/// <param name="p1">the other point
/// </param>
/// <returns> the distance between this point and point p1.
/// </returns>
public double distance(Point4d p1)
{
return System.Math.Sqrt(distanceSquared(p1));
}
/// <summary> Computes the square of the distance between this point and point p1.</summary>
/// <param name="p1">the other point
/// </param>
/// <returns> the square of distance between this point and p1
/// </returns>
public double distanceSquared(Point4d p1)
{
double dx = x - p1.x;
double dy = y - p1.y;
double dz = z - p1.z;
double dw = w - p1.w;
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
return (float) (dx * dx + dy * dy + dz * dz + dw * dw);
}
