//

// (C) Copyright 2004 by Autodesk, Inc.

//

// Permission to use, copy, modify, and distribute this software in

// object code form for any purpose and without fee is hereby granted,

// provided that the above copyright notice appears in all copies and

// that both that copyright notice and the limited warranty and

// restricted rights notice below appear in all supporting

// documentation.

//

// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.

// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF

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// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE

// UNINTERRUPTED OR ERROR FREE.

//

// Use, duplication, or disclosure by the U.S. Government is subject to

// restrictions set forth in FAR 52.227-19 (Commercial Computer

// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)

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//

using Autodesk.AutoCAD.Geometry;

namespace MgdDbg.Utils

{

/// <summary>

/// Summary description for Ge.

/// </summary>

public class Ge

{

// predefined constants for common angles

public const double kPi = 3.14159265358979323846;

public const double kHalfPi = 3.14159265358979323846 / 2.0;

public const double kTwoPi = 3.14159265358979323846 * 2.0;

public const double kRad0 = 0.0;

public const double kRad45 = 3.14159265358979323846 / 4.0;

public const double kRad90 = 3.14159265358979323846 / 2.0;

public const double kRad135 = (3.14159265358979323846 * 3.0) / 4.0;

public const double kRad180 = 3.14159265358979323846;

public const double kRad270 = 3.14159265358979323846 * 1.5;

public const double kRad360 = 3.14159265358979323846 * 2.0;

// predefined values for common Points and Vectors

public static readonly Point3d kOrigin = new Point3d(0.0, 0.0, 0.0);

public static readonly Vector3d kXAxis = new Vector3d(1.0, 0.0, 0.0);

public static readonly Vector3d kYAxis = new Vector3d(0.0, 1.0, 0.0);

public static readonly Vector3d kZAxis = new Vector3d(0.0, 0.0, 1.0);

public Ge()

{

}

public static double

RadiansToDegrees(double rads)

{

return rads * (180.0 / kPi);

}

public static double

DegreesToRadians(double degrees)

{

return degrees * (kPi / 180.0);

}

public static Point3d

Midpoint(Point3d pt1, Point3d pt2)

{

Point3d newPt = new Point3d(((pt1.X + pt2.X) / 2.0),

((pt1.Y + pt2.Y) / 2.0),

((pt1.Z + pt2.Z) / 2.0));

return newPt;

}

}

}