/// <summary>
/// Creates a new sector.
/// </summary>
/// <param name="attackerX">The attacker x.</param>
/// <param name="attackerY">The attacker y.</param>
/// <param name="attackX">The attack x.</param>
/// <param name="attackY">The attack y.</param>
public Sector(int attackerX, int attackerY, int attackX, int attackY)
{
_attackerX = attackerX;
_attackerY = attackerY;
_attackX = attackX;
_attackY = attackY;
_degree = RangeTools.GetDegree(attackerX, attackX, attackerY, attackY);
_addextra = false;
}
/// <summary>
/// Creates a new ILA algorithm.
/// </summary>
/// <param name="x1">The x1 coordinate.</param>
/// <param name="x2">The x2 coordinate.</param>
/// <param name="y1">The y1 coordinate.</param>
/// <param name="y2">The y2 coordinate.</param>
/// <param name="maxDistance">The max distance.</param>
/// <param name="algorithm">The algorithm type.</param>
public ILA(ushort x1, ushort x2, ushort y1, ushort y2, byte maxDistance = 10, Algorithm algorithm = Algorithm.DDA)
{
_algorithm = algorithm;
this.X1 = x1;
this.Y1 = y1;
this.X2 = x2;
this.Y2 = y2;
this.MaxDistance = maxDistance;
if (_algorithm == Algorithm.DDA)
{
_lineCoordinates = LineCoords(x1, y1, x2, y2);
}
Direction = (byte)RangeTools.GetAngle(x1, y1, x2, y2);;
}
/// <summary>
/// Checks whether a coordinate is in line.
/// </summary>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <returns>True if the coordinate is in line.</returns>
public bool InLine(ushort x, ushort y)
{
int mydst = (int)RangeTools.GetDistance((ushort)X1, (ushort)Y1, x, y);
byte dir = (byte)RangeTools.GetAngle(X1, Y1, x, y);
if (mydst <= MaxDistance)
{
if (_algorithm == Algorithm.SomeMath)
{
if (dir != Direction)
{
return(false);
}
//calculate line eq
if (X2 - X1 == 0)
{
//=> X - X1 = 0
//=> X = X1
return(x == X1);
}
else if (Y2 - Y1 == 0)
{
//=> Y - Y1 = 0
//=> Y = Y1
return(y == Y1);
}
else
{
double val1 = ((double)(x - X1)) / ((double)(X2 - X1));
double val2 = ((double)(y + Y1)) / ((double)(Y2 + Y1));
bool works = Math.Floor(val1) == Math.Floor(val2);
return(works);
}
}
else if (_algorithm == Algorithm.DDA)
{
return(Contains(_lineCoordinates, new ILACoordinate(x, y)));
}
}
return(false);
}
/// <summary>
/// Checks whether a coordinate is within the sector.
/// </summary>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <returns>True if the coordinate is within the sector.</returns>
public bool Inside(int x, int y)
{
if (RangeTools.GetDistance(x, y, _attackerX, _attackerY) <= _distance)
{
int degree = RangeTools.GetDegree(_attackerX, x, _attackerY, y);
if (_addextra)
{
degree += 360;
}
if (degree >= _leftside && degree <= _rightside)
{
return(true);
}
}
return(false);
}