/// <summary>
/// Вычисляет квадрат расстояния между двумя точками.
/// </summary>
///
/// <param name="anotherPoint">Точка, до которой вычисляется расстояние.</param>
///
/// <returns>Вычисляет квадрат расстояния между этой и точкой
/// <paramref name="anotherPoint"/>.</returns>
///
public double SquaredDistanceTo( DoublePoint anotherPoint )
{
double dx = X - anotherPoint.X;
double dy = Y - anotherPoint.Y;
return dx * dx + dy * dy;
}
/// <summary>
/// Вычисляет эвклидово расстояние между точками.
/// </summary>
///
/// <param name="anotherPoint">Точка, до которой вычисляется расстояние.</param>
///
/// <returns>Вычисляет эвклидово расстояние между этой и точкой
/// <paramref name="anotherPoint"/>.</returns>
///
public double DistanceTo( DoublePoint anotherPoint )
{
double dx = X - anotherPoint.X;
double dy = Y - anotherPoint.Y;
return System.Math.Sqrt( dx * dx + dy * dy );
}
/// <summary>
/// Division operator - divides coordinates of the specified point by scalar value.
/// </summary>
///
/// <param name="point">Point to divide coordinates of.</param>
/// <param name="factor">Division factor.</param>
///
/// <returns>Returns new point which coordinates equal to coordinates of
/// the specified point divided by specified value.</returns>
///
public static DoublePoint Divide( DoublePoint point, double factor )
{
return new DoublePoint( point.X / factor, point.Y / factor );
}
/// <summary>
/// Multiplication operator - multiplies coordinates of the specified point by scalar value.
/// </summary>
///
/// <param name="point">Point to multiply coordinates of.</param>
/// <param name="factor">Multiplication factor.</param>
///
/// <returns>Returns new point which coordinates equal to coordinates of
/// the specified point multiplied by specified value.</returns>
///
public static DoublePoint Multiply( DoublePoint point, double factor )
{
return new DoublePoint( point.X * factor, point.Y * factor );
}
/// <summary>
/// Subtraction operator - subtracts scalar from the specified point.
/// </summary>
///
/// <param name="point">Point to decrease coordinates of.</param>
/// <param name="valueToSubtract">Value to subtract from coordinates of the specified point.</param>
///
/// <returns>Returns new point which coordinates equal to coordinates of
/// the specified point decreased by specified value.</returns>
///
public static DoublePoint Subtract( DoublePoint point, double valueToSubtract )
{
return new DoublePoint( point.X - valueToSubtract, point.Y - valueToSubtract );
}
/// <summary>
/// Addition operator - adds scalar to the specified point.
/// </summary>
///
/// <param name="point">Point to increase coordinates of.</param>
/// <param name="valueToAdd">Value to add to coordinates of the specified point.</param>
///
/// <returns>Returns new point which coordinates equal to coordinates of
/// the specified point increased by specified value.</returns>
///
public static DoublePoint Add( DoublePoint point, double valueToAdd )
{
return new DoublePoint( point.X + valueToAdd, point.Y + valueToAdd );
}
/// <summary>
/// Subtraction operator - subtracts values of two points.
/// </summary>
///
/// <param name="point1">Point to subtract from.</param>
/// <param name="point2">Point to subtract.</param>
///
/// <returns>Returns new point which coordinates equal to difference of corresponding
/// coordinates of specified points.</returns>
///
public static DoublePoint Subtract( DoublePoint point1, DoublePoint point2 )
{
return new DoublePoint( point1.X - point2.X, point1.Y - point2.Y );
}
/// <summary>
/// Addition operator - adds values of two points.
/// </summary>
///
/// <param name="point1">First point for addition.</param>
/// <param name="point2">Second point for addition.</param>
///
/// <returns>Returns new point which coordinates equal to sum of corresponding
/// coordinates of specified points.</returns>
///
public static DoublePoint Add( DoublePoint point1, DoublePoint point2 )
{
return new DoublePoint( point1.X + point2.X, point1.Y + point2.Y );
}
