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LineSegment2.cs
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#region License
/*
* This file is part of QuadrilateralFinder.
*
* QuadrilateralFinder is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* QuadrilateralFinder is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with QuadrilateralFinder. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
// Copyright Drew Noakes, http://drewnoakes.com
namespace DrewNoakes.QuadrilateralFinder
{
/// <summary>
/// Models a line segment that runs between the points <see cref="End1"/> and <see cref="End2"/>.
/// </summary>
public struct LineSegment2
{
public Vector2 End1 { get; private set; }
public Vector2 End2 { get; private set; }
public LineSegment2(Vector2 end1, Vector2 end2) : this()
{
End1 = end1;
End2 = end2;
}
/// <summary>
/// Returns the <see cref="Vector2"/> that runs from <see cref="End1"/> to <see cref="End2"/>.
/// </summary>
/// <returns></returns>
public Vector2 ToVector2()
{
return new Vector2(End2.X - End1.X, End2.Y - End1.Y);
}
/// <summary>
/// Returns the angle formed between this <see cref="LineSegment2"/> and the supplied <paramref name="lineSegment"/>.
/// </summary>
/// <param name="lineSegment"></param>
/// <returns></returns>
public double AngleTo(LineSegment2 lineSegment)
{
return ToVector2().Angle - lineSegment.ToVector2().Angle;
}
public override string ToString()
{
return string.Format("({0}) -> ({1})", End1, End2);
}
}
}