#region Using Statements
using System;
#endregion // Using Statements
#region License
//
// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
//
// This file is released under the Ms-PL license.
//
//
//
// Microsoft Public License (Ms-PL)
//
// This license governs use of the accompanying software. If you use the software, you accept this license.
// If you do not accept the license, do not use the software.
//
// 1.Definitions
// The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning
// here as under U.S. copyright law.
// A "contribution" is the original software, or any additions or changes to the software.
// A "contributor" is any person that distributes its contribution under this license.
// "Licensed patents" are a contributor's patent claims that read directly on its contribution.
//
// 2.Grant of Rights
// (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations
// in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to
// reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
// or any derivative works that you create.
// (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in
// section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
// patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution
// in the software or derivative works of the contribution in the software.
//
// 3.Conditions and Limitations
// (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
// (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your
// patent license from such contributor to the software ends automatically.
// (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution
// notices that are present in the software.
// (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
// a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or
// object code form, you may only do so under a license that complies with this license.
// (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
// or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
// extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a
// particular purpose and non-infringement.
#endregion // License
namespace ANX.Framework
{
public struct Vector2 : IEquatable<Vector2>
{
#region fields
public float X;
public float Y;
#endregion
#region properties
#region One
private static readonly Vector2 privateOne;
/// <summary>
/// Returns a <see cref="Vector2"/> with both of its components set to one.
/// </summary>
public static Vector2 One
{
get
{
return privateOne;
}
}
#endregion
#region Zero
private static readonly Vector2 privateZero;
/// <summary>
/// Returns a <see cref="Vector2"/> with both of its components set to zero.
/// </summary>
public static Vector2 Zero
{
get
{
return privateZero;
}
}
#endregion
#region UnitX
private static readonly Vector2 privateUnitX;
/// <summary>
/// Returns the unit vector for the x-axis.
/// </summary>
public static Vector2 UnitX
{
get
{
return privateUnitX;
}
}
#endregion
#region UnitY
private static readonly Vector2 privateUnitY;
/// <summary>
/// Returns the unit vector for the y-axis.
/// </summary>
public static Vector2 UnitY
{
get
{
return privateUnitY;
}
}
#endregion
#endregion
#region constructors
static Vector2()
{
privateOne = new Vector2(1.0f, 1.0f);
privateUnitX = new Vector2(1.0f, 0.0f);
privateUnitY = new Vector2(0.0f, 1.0f);
privateZero = new Vector2(0.0f, 0.0f);
}
public Vector2(float value)
{
this.X = value;
this.Y = value;
}
public Vector2(float x, float y)
{
this.X = x;
this.Y = y;
}
#endregion
#region public methods
public static Vector2 Add(Vector2 value1, Vector2 value2)
{
Vector2 result;
Vector2.Add(ref value1, ref value2, out result);
return result;
}
public static void Add(ref Vector2 value1, ref Vector2 value2, out Vector2 result)
{
result.X = value1.X + value2.X;
result.Y = value1.Y + value2.Y;
}
public static Vector2 Barycentric(Vector2 value1, Vector2 value2, Vector2 value3, float amount1, float amount2)
{
Vector2 result;
Vector2.Barycentric(ref value1, ref value2, ref value3, amount1, amount2, out result);
return result;
}
public static void Barycentric(ref Vector2 value1, ref Vector2 value2, ref Vector2 value3, float amount1, float amount2, out Vector2 result)
{
result.X = MathHelper.Barycentric(value1.X, value2.X, value3.X, amount1, amount2);
result.Y = MathHelper.Barycentric(value1.Y, value2.Y, value3.Y, amount1, amount2);
}
public static Vector2 CatmullRom(Vector2 value1, Vector2 value2, Vector2 value3, Vector2 value4, float amount)
{
Vector2 result;
Vector2.CatmullRom(ref value1, ref value2, ref value3, ref value4, amount, out result);
return result;
}
public static void CatmullRom(ref Vector2 value1, ref Vector2 value2, ref Vector2 value3, ref Vector2 value4, float amount, out Vector2 result)
{
result.X=MathHelper.CatmullRom(value1.X, value2.X, value3.X, value4.X, amount);
result.Y = MathHelper.CatmullRom(value1.Y, value2.Y, value3.Y, value4.Y, amount);
}
public static Vector2 Clamp(Vector2 value1, Vector2 min, Vector2 max)
{
Vector2 result;
Vector2.Clamp(ref value1, ref min, ref max, out result);
return result;
}
public static void Clamp(ref Vector2 value1, ref Vector2 min, ref Vector2 max, out Vector2 result)
{
result.X = MathHelper.Clamp(value1.X, min.X, max.X);
result.Y = MathHelper.Clamp(value1.Y, min.Y, max.Y);
}
public static float Distance(Vector2 value1, Vector2 value2)
{
float result;
Vector2.Distance(ref value1, ref value2, out result);
return result;
}
public static void Distance(ref Vector2 value1, ref Vector2 value2, out float result)
{
result = (value2 - value1).Length();
}
public static float DistanceSquared(Vector2 value1, Vector2 value2)
{
float result;
Vector2.DistanceSquared(ref value1, ref value2, out result);
return result;
}
public static void DistanceSquared(ref Vector2 value1, ref Vector2 value2, out float result)
{
result = (value2-value1).LengthSquared();
}
public static Vector2 Divide(Vector2 value1, float divider)
{
Vector2 result;
Vector2.Divide(ref value1, divider, out result);
return result;
}
public static void Divide(ref Vector2 value1, float divider, out Vector2 result)
{
result = value1 / divider;
}
public static Vector2 Divide(Vector2 value1, Vector2 value2)
{
Vector2 result;
Vector2.Divide(ref value1, ref value2, out result);
return result;
}
public static void Divide(ref Vector2 value1, ref Vector2 value2, out Vector2 result)
{
result = value1 / value2;
}
public static float Dot(Vector2 value1, Vector2 value2)
{
float result;
Vector2.Dot(ref value1, ref value2, out result);
return result;
}
public static void Dot(ref Vector2 value1, ref Vector2 value2, out float result)
{
result = value1.X * value2.X + value1.Y * value2.Y;
}
public override int GetHashCode()
{
return this.X.GetHashCode() ^ this.Y.GetHashCode();
}
public static Vector2 Hermite(Vector2 value1, Vector2 tangent1, Vector2 value2, Vector2 tangent2, float amount)
{
Vector2 result;
Vector2.Hermite(ref value1, ref tangent1, ref value2, ref tangent2, amount, out result);
return result;
}
public static void Hermite(ref Vector2 value1, ref Vector2 tangent1, ref Vector2 value2, ref Vector2 tangent2, float amount, out Vector2 result)
{
result.X = MathHelper.Hermite(value1.X, tangent1.X, value2.X, tangent2.X, amount);
result.Y = MathHelper.Hermite(value1.Y, tangent1.Y, value2.Y, tangent2.Y, amount);
}
public float Length()
{
return (float)Math.Sqrt((this.X*this.X)+(this.Y*this.Y));
}
public float LengthSquared()
{
return (this.X * this.X) + (this.Y * this.Y);
}
public static Vector2 Lerp(Vector2 value1, Vector2 value2, float amount)
{
Vector2 result;
Vector2.Lerp(ref value1, ref value2, amount, out result);
return result;
}
public static void Lerp(ref Vector2 value1, ref Vector2 value2, float amount, out Vector2 result)
{
result.X=MathHelper.Lerp(value1.X, value2.X, amount);
result.Y = MathHelper.Lerp(value1.Y, value2.Y, amount);
}
public static Vector2 Max(Vector2 value1, Vector2 value2)
{
Vector2 result;
Vector2.Max(ref value1, ref value2, out result);
return result;
}
public static void Max(ref Vector2 value1, ref Vector2 value2, out Vector2 result)
{
result.X = (value1.X > value2.X) ? value1.X : value2.X;
result.Y = (value1.Y > value2.Y) ? value1.Y : value2.Y;
}
public static Vector2 Min(Vector2 value1, Vector2 value2)
{
Vector2 result;
Vector2.Min(ref value1, ref value2, out result);
return result;
}
public static void Min(ref Vector2 value1, ref Vector2 value2, out Vector2 result)
{
result.X = (value1.X < value2.X) ? value1.X : value2.X;
result.Y = (value1.Y < value2.Y) ? value1.Y : value2.Y;
}
public static Vector2 Multiply(Vector2 value1, float scaleFactor)
{
Vector2 result;
Vector2.Multiply(ref value1, scaleFactor, out result);
return result;
}
public static void Multiply(ref Vector2 value1, float scaleFactor, out Vector2 result)
{
result = value1*scaleFactor;
}
public static Vector2 Multiply(Vector2 value1, Vector2 value2)
{
Vector2 result;
Vector2.Multiply(ref value1, ref value2, out result);
return result;
}
public static void Multiply(ref Vector2 value1, ref Vector2 value2, out Vector2 result)
{
result =value1*value2;
}
public static Vector2 Negate(Vector2 value)
{
Vector2 result;
Vector2.Negate(ref value, out result);
return result;
}
public static void Negate(ref Vector2 value, out Vector2 result)
{
result = -value;
}
public void Normalize()
{
float divider = 1f / this.Length();
this.X *= divider;
this.Y *= divider;
}
public static Vector2 Normalize(Vector2 value)
{
float divider = 1f / value.Length();
return new Vector2(value.X*divider,value.Y*divider);
}
public static void Normalize(ref Vector2 value, out Vector2 result)
{
float divider = 1f / value.Length();
result.X=value.X * divider;
result.Y=value.Y * divider;
}
/*
Vect2 = Vect1 - 2 * WallN * (WallN DOT Vect1)
Formula from : http://www.gamedev.net/topic/165537-2d-vector-reflection-/
*/
public static Vector2 Reflect(Vector2 vector, Vector2 normal)
{
Vector2 result;
Vector2.Reflect(ref vector, ref normal, out result);
return result;
}
public static void Reflect(ref Vector2 vector, ref Vector2 normal, out Vector2 result)
{
float sub = 2 * Vector2.Dot(vector, normal);
result.X = vector.X - (sub * normal.X);
result.Y = vector.Y - (sub * normal.Y);
}
public static Vector2 SmoothStep(Vector2 value1, Vector2 value2, float amount)
{
Vector2 result;
Vector2.SmoothStep(ref value1, ref value2, amount, out result);
return result;
}
public static void SmoothStep(ref Vector2 value1, ref Vector2 value2, float amount, out Vector2 result)
{
result.X=MathHelper.SmoothStep(value1.X, value2.X, amount);
result.Y=MathHelper.SmoothStep(value1.Y, value2.Y, amount);
}
public static Vector2 Subtract(Vector2 value1, Vector2 value2)
{
Vector2 result;
Vector2.Subtract(ref value1, ref value2, out result);
return result;
}
public static void Subtract(ref Vector2 value1, ref Vector2 value2, out Vector2 result)
{
result = value1 - value2;
}
public override string ToString()
{
return "{X:"+this.X+" Y:"+this.Y+"}";
}
public static Vector2 Transform(Vector2 position, Matrix matrix)
{
return new Vector2(((position.X * matrix.M11) + (position.Y * matrix.M21)) + matrix.M41,
((position.X * matrix.M12) + (position.Y * matrix.M22)) + matrix.M42);
}
public static void Transform(ref Vector2 position, ref Matrix matrix, out Vector2 result)
{
result.X = ((position.X * matrix.M11) + (position.Y * matrix.M21)) + matrix.M41;
result.Y = ((position.X * matrix.M12) + (position.Y * matrix.M22)) + matrix.M42;
}
public static Vector2 Transform(Vector2 value, Quaternion rotation)
{
throw new NotImplementedException();
}
public static void Transform(ref Vector2 value, ref Quaternion rotation, out Vector2 result)
{
throw new NotImplementedException();
}
public static void Transform(Vector2[] sourceArray, int sourceIndex, ref Matrix matrix, Vector2[] destinationArray, int destinationIndex, int length)
{
throw new NotImplementedException();
}
public static void Transform(Vector2[] sourceArray, int sourceIndex, ref Quaternion rotation, Vector2[] destinationArray, int destinationIndex, int length)
{
throw new NotImplementedException();
}
public static void Transform(Vector2[] sourceArray, ref Matrix matrix, Vector2[] destinationArray)
{
throw new NotImplementedException();
}
public static void Transform(Vector2[] sourceArray, ref Quaternion rotation, Vector2[] destinationArray)
{
throw new NotImplementedException();
}
public static Vector2 TransformNormal(Vector2 normal, Matrix matrix)
{
throw new NotImplementedException();
}
public static void TransformNormal(ref Vector2 normal, ref Matrix matrix, out Vector2 result)
{
throw new NotImplementedException();
}
public static void TransformNormal(
Vector2[] sourceArray,
int sourceIndex,
ref Matrix matrix,
Vector2[] destinationArray,
int destinationIndex,
int length)
{
throw new NotImplementedException();
}
public static void TransformNormal(
Vector2[] sourceArray,
ref Matrix matrix,
Vector2[] destinationArray)
{
throw new NotImplementedException();
}
#endregion
#region IEquatable implementation
public override bool Equals(Object obj)
{
return (obj is Vector2) ? this.Equals((Vector2)obj) : false;
}
public bool Equals(Vector2 other)
{
return this.X == other.X && this.Y == other.Y;
}
#endregion
#region operator overloading
public static Vector2 operator +(Vector2 value1, Vector2 value2)
{
return new Vector2(value1.X + value2.X, value1.Y + value2.Y);
}
public static Vector2 operator /(Vector2 value1, float divider)
{
float fak = 1.0f / divider;
return new Vector2(value1.X * fak, value1.Y * fak);
}
public static Vector2 operator /(Vector2 value1, Vector2 value2)
{
return new Vector2(value1.X / value2.X, value1.Y / value2.Y);
}
public static bool operator ==(Vector2 value1, Vector2 value2)
{
return value1.X.Equals(value2.X) && value1.Y.Equals(value2.Y);
}
public static bool operator !=(Vector2 value1, Vector2 value2)
{
return !value1.X.Equals(value2.X) || !value1.Y.Equals(value2.Y);
}
public static Vector2 operator *(float scaleFactor, Vector2 value)
{
return new Vector2(value.X * scaleFactor, value.Y * scaleFactor);
}
public static Vector2 operator *(Vector2 value, float scaleFactor)
{
return new Vector2(value.X * scaleFactor, value.Y * scaleFactor);
}
public static Vector2 operator *(Vector2 value1, Vector2 value2)
{
return new Vector2(value1.X * value2.X, value1.Y * value2.Y);
}
public static Vector2 operator -(Vector2 value1, Vector2 value2)
{
return new Vector2(value1.X - value2.X, value1.Y - value2.Y);
}
public static Vector2 operator -(Vector2 value)
{
return new Vector2(-value.X, -value.Y);
}
#endregion
}
}