public static Line2 Translate(this Line2 @this, Vector2 vector)
{
return(new Line2(@this.FreeTerm - @this.Normal * vector, @this.Normal));
}
public static Vector2 Project(this Line2 @this, Vector2 point)
{
var direction = @this.Direction;
return(@this.ProjectOrigin() + (direction * point) * direction);
}
public static Vector2 ProjectOrigin(this Line2 @this)
{
return([email protected] * @this.Normal);
}
public static bool IsOnPositiveSide(this Vector2 @this, Line2 line)
{
return(@this.SignedDistanceTo(line) > 0);
}
public static double DistanceTo(this Vector2 @this, Line2 line)
{
return(Math.Abs(@this.SignedDistanceTo(line)));
}
public static double SignedDistanceTo(this Vector2 @this, Line2 line)
{
return(@this * line.Normal + line.FreeTerm);
}