/// <summary>
/// Sets each component of the tuple parameter to its absolute
/// value and places the modified values into this tuple.
/// </summary>
/// <remarks>
/// Sets each component of the tuple parameter to its absolute
/// value and places the modified values into this tuple.
/// </remarks>
/// <param name="t">the source tuple, which will not be modified</param>
public void Absolute(Tuple2d t)
{
x = Math.Abs(t.x);
y = Math.Abs(t.y);
}
/// <summary>
/// Sets the value of this tuple to the vector difference of
/// tuple t1 and t2 (this = t1 - t2).
/// </summary>
/// <remarks>
/// Sets the value of this tuple to the vector difference of
/// tuple t1 and t2 (this = t1 - t2).
/// </remarks>
/// <param name="t1">the first tuple</param>
/// <param name="t2">the second tuple</param>
public void Sub(Tuple2d t1, Tuple2d t2)
{
this.x = t1.x - t2.x;
this.y = t1.y - t2.y;
}
/// <summary>
/// Sets the value of this tuple to the vector difference of
/// itself and tuple t1 (this = this - t1).
/// </summary>
/// <remarks>
/// Sets the value of this tuple to the vector difference of
/// itself and tuple t1 (this = this - t1).
/// </remarks>
/// <param name="t1">the other vector</param>
public void Sub(Tuple2d t1)
{
this.x -= t1.x;
this.y -= t1.y;
}
/// <summary>Sets the value of this tuple to the value of the Tuple2d argument.</summary>
/// <remarks>Sets the value of this tuple to the value of the Tuple2d argument.</remarks>
/// <param name="t1">the tuple to be copied</param>
public void Set(Tuple2d t1)
{
this.x = t1.x;
this.y = t1.y;
}
/// <summary>Constructs and initializes a Tuple2d from the specified Tuple2d.</summary>
/// <remarks>Constructs and initializes a Tuple2d from the specified Tuple2d.</remarks>
/// <param name="t1">the Tuple2d containing the initialization x y data</param>
public Tuple2d(Tuple2d t1)
{
this.x = t1.x;
this.y = t1.y;
}
/// <summary>Sets the value of this tuple to the vector sum of itself and tuple t1.</summary>
/// <remarks>Sets the value of this tuple to the vector sum of itself and tuple t1.</remarks>
/// <param name="t1">the other tuple</param>
public void Add(Tuple2d t1)
{
this.x += t1.x;
this.y += t1.y;
}
/// <summary>
/// Sets the value of this tuple to the scalar multiplication
/// of itself and then adds tuple t1 (this = s*this + t1).
/// </summary>
/// <remarks>
/// Sets the value of this tuple to the scalar multiplication
/// of itself and then adds tuple t1 (this = s*this + t1).
/// </remarks>
/// <param name="s">the scalar value</param>
/// <param name="t1">the tuple to be added</param>
public void ScaleAdd(double s, Tuple2d t1)
{
this.x = s * this.x + t1.x;
this.y = s * this.y + t1.y;
}
/// <summary>
/// Linearly interpolates between this tuple and tuple t1 and
/// places the result into this tuple: this = (1-alpha)*this + alpha*t1.
/// </summary>
/// <remarks>
/// Linearly interpolates between this tuple and tuple t1 and
/// places the result into this tuple: this = (1-alpha)*this + alpha*t1.
/// </remarks>
/// <param name="t1">the first tuple</param>
/// <param name="alpha">the alpha interpolation parameter</param>
public void Interpolate(Tuple2d t1, double alpha)
{
this.x = (1 - alpha) * this.x + alpha * t1.x;
this.y = (1 - alpha) * this.y + alpha * t1.y;
}
/// <summary>Sets the value of this tuple to the negation of tuple t1.</summary>
/// <remarks>Sets the value of this tuple to the negation of tuple t1.</remarks>
/// <param name="t1">the source vector</param>
public void Negate(Tuple2d t1)
{
this.x = -t1.x;
this.y = -t1.y;
}
/// <summary>
/// Returns true if the L-infinite distance between this tuple
/// and tuple t1 is less than or equal to the epsilon parameter,
/// otherwise returns false.
/// </summary>
/// <remarks>
/// Returns true if the L-infinite distance between this tuple
/// and tuple t1 is less than or equal to the epsilon parameter,
/// otherwise returns false. The L-infinite
/// distance is equal to MAX[abs(x1-x2), abs(y1-y2)].
/// </remarks>
/// <param name="t1">the tuple to be compared to this tuple</param>
/// <param name="epsilon">the threshold value</param>
/// <returns>true or false</returns>
public virtual bool EpsilonEquals(Tuple2d t1, double epsilon)
{
double diff;
diff = x - t1.x;
if (double.IsNaN(diff))
{
return false;
}
if ((diff < 0 ? -diff : diff) > epsilon)
{
return false;
}
diff = y - t1.y;
if (double.IsNaN(diff))
{
return false;
}
if ((diff < 0 ? -diff : diff) > epsilon)
{
return false;
}
return true;
}
/// <summary>
/// Returns true if all of the data members of Tuple2d t1 are
/// equal to the corresponding data members in this Tuple2d.
/// </summary>
/// <remarks>
/// Returns true if all of the data members of Tuple2d t1 are
/// equal to the corresponding data members in this Tuple2d.
/// </remarks>
/// <param name="t1">the vector with which the comparison is made</param>
/// <returns>true or false</returns>
public virtual bool Equals(Tuple2d t1)
{
try
{
return (this.x == t1.x && this.y == t1.y);
}
catch (ArgumentNullException)
{
return false;
}
}
/// <summary>
/// Clamps the minimum value of the tuple parameter to the min
/// parameter and places the values into this tuple.
/// </summary>
/// <remarks>
/// Clamps the minimum value of the tuple parameter to the min
/// parameter and places the values into this tuple.
/// </remarks>
/// <param name="min">the lowest value in the tuple after clamping</param>
/// <param name="t">the source tuple, which will not be modified</param>
public void ClampMin(double min, Tuple2d t)
{
if (t.x < min)
{
x = min;
}
else
{
x = t.x;
}
if (t.y < min)
{
y = min;
}
else
{
y = t.y;
}
}
/// <summary>
/// Clamps the maximum value of the tuple parameter to the max
/// parameter and places the values into this tuple.
/// </summary>
/// <remarks>
/// Clamps the maximum value of the tuple parameter to the max
/// parameter and places the values into this tuple.
/// </remarks>
/// <param name="max">the highest value in the tuple after clamping</param>
/// <param name="t">the source tuple, which will not be modified</param>
public void ClampMax(double max, Tuple2d t)
{
if (t.x > max)
{
x = max;
}
else
{
x = t.x;
}
if (t.y > max)
{
y = max;
}
else
{
y = t.y;
}
}
/// <summary>
/// Clamps the tuple parameter to the range [low, high] and
/// places the values into this tuple.
/// </summary>
/// <remarks>
/// Clamps the tuple parameter to the range [low, high] and
/// places the values into this tuple.
/// </remarks>
/// <param name="min">the lowest value in the tuple after clamping</param>
/// <param name="max">the highest value in the tuple after clamping</param>
/// <param name="t">the source tuple, which will not be modified</param>
public void Clamp(double min, double max, Tuple2d t)
{
if (t.x > max)
{
x = max;
}
else
{
if (t.x < min)
{
x = min;
}
else
{
x = t.x;
}
}
if (t.y > max)
{
y = max;
}
else
{
if (t.y < min)
{
y = min;
}
else
{
y = t.y;
}
}
}
/// <summary>Constructs and initializes a Point2d from the specified Tuple2d.</summary>
/// <remarks>Constructs and initializes a Point2d from the specified Tuple2d.</remarks>
/// <param name="t1">the Tuple2d containing the initialization x y data</param>
public Point2d(Tuple2d t1)
: base(t1)
{
}
/// <summary>
/// Sets the value of this tuple to the scalar multiplication
/// of tuple t1.
/// </summary>
/// <remarks>
/// Sets the value of this tuple to the scalar multiplication
/// of tuple t1.
/// </remarks>
/// <param name="s">the scalar value</param>
/// <param name="t1">the source tuple</param>
public void Scale(double s, Tuple2d t1)
{
this.x = s * t1.x;
this.y = s * t1.y;
}
/// <summary>Constructs and initializes a Vector2f from the specified Tuple2d.</summary>
/// <remarks>Constructs and initializes a Vector2f from the specified Tuple2d.</remarks>
/// <param name="t1">the Tuple2d containing the initialization x y data</param>
public Vector2f(Tuple2d t1)
: base(t1)
{
}
/// <summary>Sets the value of this tuple to the vector sum of tuples t1 and t2.</summary>
/// <remarks>Sets the value of this tuple to the vector sum of tuples t1 and t2.</remarks>
/// <param name="t1">the first tuple</param>
/// <param name="t2">the second tuple</param>
public void Add(Tuple2d t1, Tuple2d t2)
{
this.x = t1.x + t2.x;
this.y = t1.y + t2.y;
}
