/// <summary>
/// Creates a new Vector from locA to locB
/// </summary>
/// <param name="locA">Start location</param>
/// <param name="locB">End location</param>
public Vector2D(Location2D locA, Location2D locB)
{
X = locB.X - locA.X;
Y = locB.Y - locA.Y;
Length = Math.Sqrt(LengthSquared());
Radians = Y < 0 ? 2 * Math.PI - Math.Acos(X / Length) : Math.Acos(X / Length);
}
public Vector2D(Location2D coords)
{
X = coords.X;
Y = coords.Y;
Length = Math.Sqrt(LengthSquared());
Radians = Y < 0 ? 2 * Math.PI - Math.Acos(X / Length) : Math.Acos(X / Length);
}
/// <summary>
/// MAY NOT WORK
/// </summary>
/// <param name="loc1"></param>
/// <param name="loc2"></param>
public LineEquation(Location2D loc1, Location2D loc2)
{
Vector2D vector = new Vector2D(loc1, loc2);
A = vector.Y;
B = vector.X;
C = -(A * loc1.X + B * loc1.Y);
}
public LineEquation(Location2D coordinate, double slope)
{
double a = slope;
double b = coordinate.Y - (coordinate.X * slope);
A = a;
B = -1;
C = b;
}
public LineEquation(Location2D coordinate, Vector2D orthogonalVector)
{
A = -orthogonalVector.X / orthogonalVector.Y;
B = -1;
C = coordinate.Y - (coordinate.X * A);
/*
* A = orthogonalVector.X;
* B = orthogonalVector.Y;
* C = coordinate.Y - coordinate.X*B/A;
*/
}
public LineEquation Tangent(Location2D loc)
{
if (PointIsPartOf(loc))
{
Vector2D vecPC = new Vector2D(loc, new Location2D(A, B));
return(new LineEquation(loc, vecPC));
}
else
{
throw new Exception("The point is not part of the circle");
}
}
public Location2D Midpoint(Location2D loc)
{
return(new Location2D((loc.X + X) / 2, (loc.Y + Y) / 2));
}
public double DistanceTo(Location2D loc)
{
return(Math.Sqrt(DistanceToSquared(loc)));
}
public double DistanceToSquared(Location2D loc)
{
return(Math.Pow(loc.X - X, 2) + Math.Pow(loc.Y - Y, 2));
}
public Location2D(Location2D loc)
{
X = loc.X;
Y = loc.Y;
}
public bool PointIsPartOf(Location2D loc)
{
return(Math.Pow(loc.X - A, 2) + Math.Pow(loc.Y - B, 2) == Math.Pow(R, 2));
}
/// <summary>
/// Creates a circle function with loc as centre and lf as tangent.
///
/// </summary>
/// <param name="loc"></param>
/// <param name="lf"></param>
public Circle(Location2D loc, LineEquation lf)
{
A = loc.X;
B = loc.Y;
R = loc.DistanceTo(lf);
}
public LinearParameter2D(Location2D loc1, Location2D loc2)
{
B = new Vector2D(loc1);
A = new Vector2D(loc1, loc2);
}
