1028 lines
40 KiB
C#
1028 lines
40 KiB
C#
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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using System;
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using System.ComponentModel;
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using System.Globalization;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace FlaxEngine
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{
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/// <summary>
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/// Represents a two dimensional mathematical vector (signed integers).
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/// </summary>
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[Serializable]
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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[TypeConverter(typeof(TypeConverters.Int2Converter))]
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public struct Int2 : IEquatable<Int2>, IFormattable
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{
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private static readonly string _formatString = "X:{0} Y:{1}";
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/// <summary>
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/// The size of the <see cref="Int2" /> type, in bytes.
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/// </summary>
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public static readonly int SizeInBytes = Marshal.SizeOf(typeof(Int2));
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/// <summary>
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/// A <see cref="Int2" /> with all of its components set to zero.
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/// </summary>
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public static readonly Int2 Zero;
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/// <summary>
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/// The X unit <see cref="Int2" /> (1, 0).
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/// </summary>
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public static readonly Int2 UnitX = new Int2(1, 0);
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/// <summary>
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/// The Y unit <see cref="Int2" /> (0, 1).
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/// </summary>
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public static readonly Int2 UnitY = new Int2(0, 1);
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/// <summary>
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/// A <see cref="Int2" /> with all of its components set to one.
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/// </summary>
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public static readonly Int2 One = new Int2(1, 1);
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/// <summary>
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/// A <see cref="Int2" /> with all components equal to <see cref="int.MinValue"/>.
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/// </summary>
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public static readonly Int2 Minimum = new Int2(int.MinValue);
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/// <summary>
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/// A <see cref="Int2" /> with all components equal to <see cref="int.MaxValue"/>.
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/// </summary>
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public static readonly Int2 Maximum = new Int2(int.MaxValue);
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/// <summary>
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/// The X component of the vector.
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/// </summary>
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public int X;
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/// <summary>
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/// The Y component of the vector.
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/// </summary>
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public int Y;
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/// <summary>
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/// Initializes a new instance of the <see cref="Int2" /> struct.
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/// </summary>
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/// <param name="value">The value that will be assigned to all components.</param>
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public Int2(int value)
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{
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X = value;
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Y = value;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Int2" /> struct.
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/// </summary>
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/// <param name="x">Initial value for the X component of the vector.</param>
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/// <param name="y">Initial value for the Y component of the vector.</param>
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public Int2(int x, int y)
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{
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X = x;
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Y = y;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Int2" /> struct.
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/// </summary>
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/// <param name="value">A vector containing the values with which to initialize the X and Y components.</param>
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public Int2(Int3 value)
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{
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X = value.X;
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Y = value.Y;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Int2" /> struct.
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/// </summary>
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/// <param name="value">A vector containing the values with which to initialize the X and Y components.</param>
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public Int2(Int4 value)
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{
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X = value.X;
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Y = value.Y;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Int2" /> struct.
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/// </summary>
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/// <param name="values">
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/// The values to assign to the X and Y components of the vector. This must be an array with two
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/// elements.
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/// </param>
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/// <exception cref="ArgumentNullException">Thrown when <paramref name="values" /> is <c>null</c>.</exception>
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/// <exception cref="ArgumentOutOfRangeException">
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/// Thrown when <paramref name="values" /> contains more or less than two
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/// elements.
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/// </exception>
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public Int2(int[] values)
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{
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if (values == null)
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throw new ArgumentNullException(nameof(values));
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if (values.Length != 2)
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throw new ArgumentOutOfRangeException(nameof(values), "There must be two and only two input values for Int2.");
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X = values[0];
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Y = values[1];
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}
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/// <summary>
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/// Gets a value indicting whether this vector is zero
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/// </summary>
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public bool IsZero => X == 0 && Y == 0;
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/// <summary>
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/// Gets a minimum component value
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/// </summary>
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public int MinValue => Mathf.Min(X, Y);
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/// <summary>
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/// Gets a maximum component value
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/// </summary>
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public int MaxValue => Mathf.Max(X, Y);
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/// <summary>
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/// Gets an arithmetic average value of all vector components.
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/// </summary>
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public float AvgValue => (X + Y) * (1.0f / 2.0f);
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/// <summary>
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/// Gets a sum of the component values.
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/// </summary>
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public int ValuesSum => X + Y;
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/// <summary>
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/// Gets or sets the component at the specified index.
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/// </summary>
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/// <value>The value of the X or Y component, depending on the index.</value>
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/// <param name="index">The index of the component to access. Use 0 for the X component and 1 for the Y component.</param>
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/// <returns>The value of the component at the specified index.</returns>
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/// <exception cref="System.ArgumentOutOfRangeException">
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/// Thrown when the <paramref name="index" /> is out of the range [0, 1].
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/// </exception>
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public int this[int index]
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{
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get
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{
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switch (index)
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{
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case 0: return X;
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case 1: return Y;
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}
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throw new ArgumentOutOfRangeException(nameof(index), "Indices for Int2 run from 0 to 1, inclusive.");
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}
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set
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{
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switch (index)
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{
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case 0:
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X = value;
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break;
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case 1:
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Y = value;
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break;
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default: throw new ArgumentOutOfRangeException(nameof(index), "Indices for Int2 run from 0 to 1, inclusive.");
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}
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}
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}
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/// <summary>
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/// Calculates the length of the vector.
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/// </summary>
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/// <returns>The length of the vector.</returns>
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/// <remarks>
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/// <see cref="Int2.LengthSquared" /> may be preferred when only the relative length is needed
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/// and speed is of the essence.
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/// </remarks>
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public float Length => (float)Math.Sqrt(X * X + Y * Y);
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/// <summary>
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/// Calculates the squared length of the vector.
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/// </summary>
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/// <returns>The squared length of the vector.</returns>
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/// <remarks>
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/// This method may be preferred to <see cref="Int2.Length" /> when only a relative length is needed
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/// and speed is of the essence.
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/// </remarks>
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public int LengthSquared => X * X + Y * Y;
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/// <summary>
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/// Creates an array containing the elements of the vector.
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/// </summary>
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/// <returns>A two-element array containing the components of the vector.</returns>
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public int[] ToArray()
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{
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return new[]
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{
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X,
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Y
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};
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}
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/// <summary>
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/// Adds two vectors.
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/// </summary>
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/// <param name="left">The first vector to add.</param>
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/// <param name="right">The second vector to add.</param>
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/// <param name="result">When the method completes, contains the sum of the two vectors.</param>
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public static void Add(ref Int2 left, ref Int2 right, out Int2 result)
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{
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result = new Int2(left.X + right.X, left.Y + right.Y);
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}
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/// <summary>
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/// Adds two vectors.
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/// </summary>
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/// <param name="left">The first vector to add.</param>
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/// <param name="right">The second vector to add.</param>
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/// <returns>The sum of the two vectors.</returns>
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public static Int2 Add(Int2 left, Int2 right)
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{
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return new Int2(left.X + right.X, left.Y + right.Y);
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}
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/// <summary>
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/// Perform a component-wise addition
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/// </summary>
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/// <param name="left">The input vector</param>
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/// <param name="right">The scalar value to be added to elements</param>
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/// <param name="result">The vector with added scalar for each element.</param>
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public static void Add(ref Int2 left, ref int right, out Int2 result)
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{
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result = new Int2(left.X + right, left.Y + right);
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}
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/// <summary>
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/// Perform a component-wise addition
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/// </summary>
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/// <param name="left">The input vector</param>
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/// <param name="right">The scalar value to be added to elements</param>
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/// <returns>The vector with added scalar for each element.</returns>
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public static Int2 Add(Int2 left, int right)
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{
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return new Int2(left.X + right, left.Y + right);
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}
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/// <summary>
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/// Subtracts two vectors.
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/// </summary>
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/// <param name="left">The first vector to subtract.</param>
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/// <param name="right">The second vector to subtract.</param>
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/// <param name="result">When the method completes, contains the difference of the two vectors.</param>
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public static void Subtract(ref Int2 left, ref Int2 right, out Int2 result)
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{
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result = new Int2(left.X - right.X, left.Y - right.Y);
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}
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/// <summary>
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/// Subtracts two vectors.
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/// </summary>
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/// <param name="left">The first vector to subtract.</param>
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/// <param name="right">The second vector to subtract.</param>
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/// <returns>The difference of the two vectors.</returns>
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public static Int2 Subtract(Int2 left, Int2 right)
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{
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return new Int2(left.X - right.X, left.Y - right.Y);
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}
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/// <summary>
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/// Perform a component-wise subtraction
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/// </summary>
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/// <param name="left">The input vector</param>
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/// <param name="right">The scalar value to be subtracted from elements</param>
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/// <param name="result">The vector with subtracted scalar for each element.</param>
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public static void Subtract(ref Int2 left, ref int right, out Int2 result)
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{
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result = new Int2(left.X - right, left.Y - right);
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}
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/// <summary>
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/// Perform a component-wise subtraction
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/// </summary>
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/// <param name="left">The input vector</param>
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/// <param name="right">The scalar value to be subtracted from elements</param>
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/// <returns>The vector with subtracted scalar for each element.</returns>
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public static Int2 Subtract(Int2 left, int right)
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{
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return new Int2(left.X - right, left.Y - right);
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}
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/// <summary>
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/// Perform a component-wise subtraction
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/// </summary>
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/// <param name="left">The scalar value to be subtracted from elements</param>
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/// <param name="right">The input vector</param>
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/// <param name="result">The vector with subtracted scalar for each element.</param>
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public static void Subtract(ref int left, ref Int2 right, out Int2 result)
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{
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result = new Int2(left - right.X, left - right.Y);
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}
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/// <summary>
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/// Perform a component-wise subtraction
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/// </summary>
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/// <param name="left">The scalar value to be subtracted from elements</param>
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/// <param name="right">The input vector</param>
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/// <returns>The vector with subtracted scalar for each element.</returns>
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public static Int2 Subtract(int left, Int2 right)
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{
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return new Int2(left - right.X, left - right.Y);
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}
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/// <summary>
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/// Scales a vector by the given value.
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/// </summary>
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/// <param name="value">The vector to scale.</param>
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/// <param name="scale">The amount by which to scale the vector.</param>
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/// <param name="result">When the method completes, contains the scaled vector.</param>
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public static void Multiply(ref Int2 value, int scale, out Int2 result)
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{
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result = new Int2(value.X * scale, value.Y * scale);
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}
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/// <summary>
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/// Scales a vector by the given value.
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/// </summary>
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/// <param name="value">The vector to scale.</param>
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/// <param name="scale">The amount by which to scale the vector.</param>
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/// <returns>The scaled vector.</returns>
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public static Int2 Multiply(Int2 value, int scale)
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{
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return new Int2(value.X * scale, value.Y * scale);
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}
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/// <summary>
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/// Multiplies a vector with another by performing component-wise multiplication.
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/// </summary>
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/// <param name="left">The first vector to multiply.</param>
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/// <param name="right">The second vector to multiply.</param>
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/// <param name="result">When the method completes, contains the multiplied vector.</param>
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public static void Multiply(ref Int2 left, ref Int2 right, out Int2 result)
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{
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result = new Int2(left.X * right.X, left.Y * right.Y);
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}
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/// <summary>
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/// Multiplies a vector with another by performing component-wise multiplication.
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/// </summary>
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/// <param name="left">The first vector to multiply.</param>
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/// <param name="right">The second vector to multiply.</param>
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/// <returns>The multiplied vector.</returns>
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public static Int2 Multiply(Int2 left, Int2 right)
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{
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return new Int2(left.X * right.X, left.Y * right.Y);
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}
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/// <summary>
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/// Scales a vector by the given value.
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/// </summary>
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/// <param name="value">The vector to scale.</param>
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/// <param name="scale">The amount by which to scale the vector.</param>
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/// <param name="result">When the method completes, contains the scaled vector.</param>
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public static void Divide(ref Int2 value, int scale, out Int2 result)
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{
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result = new Int2(value.X / scale, value.Y / scale);
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}
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/// <summary>
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/// Scales a vector by the given value.
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/// </summary>
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/// <param name="value">The vector to scale.</param>
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/// <param name="scale">The amount by which to scale the vector.</param>
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/// <returns>The scaled vector.</returns>
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public static Int2 Divide(Int2 value, int scale)
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{
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return new Int2(value.X / scale, value.Y / scale);
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}
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/// <summary>
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/// Scales a vector by the given value.
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/// </summary>
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/// <param name="scale">The amount by which to scale the vector.</param>
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/// <param name="value">The vector to scale.</param>
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/// <param name="result">When the method completes, contains the scaled vector.</param>
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public static void Divide(int scale, ref Int2 value, out Int2 result)
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{
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result = new Int2(scale / value.X, scale / value.Y);
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}
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/// <summary>
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/// Scales a vector by the given value.
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/// </summary>
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/// <param name="value">The vector to scale.</param>
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/// <param name="scale">The amount by which to scale the vector.</param>
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/// <returns>The scaled vector.</returns>
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public static Int2 Divide(int scale, Int2 value)
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{
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return new Int2(scale / value.X, scale / value.Y);
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}
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/// <summary>
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/// Reverses the direction of a given vector.
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/// </summary>
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/// <param name="value">The vector to negate.</param>
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/// <param name="result">When the method completes, contains a vector facing in the opposite direction.</param>
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public static void Negate(ref Int2 value, out Int2 result)
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{
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result = new Int2(-value.X, -value.Y);
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}
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/// <summary>
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/// Reverses the direction of a given vector.
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/// </summary>
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/// <param name="value">The vector to negate.</param>
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/// <returns>A vector facing in the opposite direction.</returns>
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public static Int2 Negate(Int2 value)
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{
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return new Int2(-value.X, -value.Y);
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}
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/// <summary>
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/// Restricts a value to be within a specified range.
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/// </summary>
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/// <param name="value">The value to clamp.</param>
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/// <param name="min">The minimum value.</param>
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/// <param name="max">The maximum value.</param>
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/// <param name="result">When the method completes, contains the clamped value.</param>
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public static void Clamp(ref Int2 value, ref Int2 min, ref Int2 max, out Int2 result)
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{
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int x = value.X;
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x = x > max.X ? max.X : x;
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x = x < min.X ? min.X : x;
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int y = value.Y;
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y = y > max.Y ? max.Y : y;
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y = y < min.Y ? min.Y : y;
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result = new Int2(x, y);
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}
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/// <summary>
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/// Restricts a value to be within a specified range.
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/// </summary>
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/// <param name="value">The value to clamp.</param>
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/// <param name="min">The minimum value.</param>
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/// <param name="max">The maximum value.</param>
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/// <returns>The clamped value.</returns>
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public static Int2 Clamp(Int2 value, Int2 min, Int2 max)
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{
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Clamp(ref value, ref min, ref max, out Int2 result);
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return result;
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}
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/// <summary>
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/// Calculates the distance between two vectors.
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/// </summary>
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/// <param name="value1">The first vector.</param>
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/// <param name="value2">The second vector.</param>
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/// <param name="result">When the method completes, contains the distance between the two vectors.</param>
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/// <remarks>
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/// <see cref="Int2.DistanceSquared(ref Int2, ref Int2, out int)" /> may be preferred when only the relative
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/// distance is needed
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/// and speed is of the essence.
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/// </remarks>
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public static void Distance(ref Int2 value1, ref Int2 value2, out float result)
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{
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int x = value1.X - value2.X;
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int y = value1.Y - value2.Y;
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result = (float)Math.Sqrt(x * x + y * y);
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}
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/// <summary>
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/// Calculates the distance between two vectors.
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/// </summary>
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/// <param name="value1">The first vector.</param>
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/// <param name="value2">The second vector.</param>
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/// <returns>The distance between the two vectors.</returns>
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/// <remarks>
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/// <see cref="Int2.DistanceSquared(Int2, Int2)" /> may be preferred when only the relative distance is needed
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/// and speed is of the essence.
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/// </remarks>
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public static float Distance(Int2 value1, Int2 value2)
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{
|
|
int x = value1.X - value2.X;
|
|
int y = value1.Y - value2.Y;
|
|
|
|
return (float)Math.Sqrt(x * x + y * y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Calculates the squared distance between two vectors.
|
|
/// </summary>
|
|
/// <param name="value1">The first vector.</param>
|
|
/// <param name="value2">The second vector</param>
|
|
/// <param name="result">When the method completes, contains the squared distance between the two vectors.</param>
|
|
/// <remarks>
|
|
/// Distance squared is the value before taking the square root.
|
|
/// Distance squared can often be used in place of distance if relative comparisons are being made.
|
|
/// For example, consider three points A, B, and C. To determine whether B or C is further from A,
|
|
/// compare the distance between A and B to the distance between A and C. Calculating the two distances
|
|
/// involves two square roots, which are computationally expensive. However, using distance squared
|
|
/// provides the same information and avoids calculating two square roots.
|
|
/// </remarks>
|
|
public static void DistanceSquared(ref Int2 value1, ref Int2 value2, out int result)
|
|
{
|
|
int x = value1.X - value2.X;
|
|
int y = value1.Y - value2.Y;
|
|
|
|
result = x * x + y * y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Calculates the squared distance between two vectors.
|
|
/// </summary>
|
|
/// <param name="value1">The first vector.</param>
|
|
/// <param name="value2">The second vector.</param>
|
|
/// <returns>The squared distance between the two vectors.</returns>
|
|
/// <remarks>
|
|
/// Distance squared is the value before taking the square root.
|
|
/// Distance squared can often be used in place of distance if relative comparisons are being made.
|
|
/// For example, consider three points A, B, and C. To determine whether B or C is further from A,
|
|
/// compare the distance between A and B to the distance between A and C. Calculating the two distances
|
|
/// involves two square roots, which are computationally expensive. However, using distance squared
|
|
/// provides the same information and avoids calculating two square roots.
|
|
/// </remarks>
|
|
public static int DistanceSquared(Int2 value1, Int2 value2)
|
|
{
|
|
int x = value1.X - value2.X;
|
|
int y = value1.Y - value2.Y;
|
|
|
|
return x * x + y * y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Calculates the dot product of two vectors.
|
|
/// </summary>
|
|
/// <param name="left">First source vector.</param>
|
|
/// <param name="right">Second source vector.</param>
|
|
/// <param name="result">When the method completes, contains the dot product of the two vectors.</param>
|
|
public static void Dot(ref Int2 left, ref Int2 right, out int result)
|
|
{
|
|
result = left.X * right.X + left.Y * right.Y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Calculates the dot product of two vectors.
|
|
/// </summary>
|
|
/// <param name="left">First source vector.</param>
|
|
/// <param name="right">Second source vector.</param>
|
|
/// <returns>The dot product of the two vectors.</returns>
|
|
public static int Dot(Int2 left, Int2 right)
|
|
{
|
|
return left.X * right.X + left.Y * right.Y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a vector containing the largest components of the specified vectors.
|
|
/// </summary>
|
|
/// <param name="left">The first source vector.</param>
|
|
/// <param name="right">The second source vector.</param>
|
|
/// <param name="result">
|
|
/// When the method completes, contains an new vector composed of the largest components of the source
|
|
/// vectors.
|
|
/// </param>
|
|
public static void Max(ref Int2 left, ref Int2 right, out Int2 result)
|
|
{
|
|
result.X = left.X > right.X ? left.X : right.X;
|
|
result.Y = left.Y > right.Y ? left.Y : right.Y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a vector containing the largest components of the specified vectors.
|
|
/// </summary>
|
|
/// <param name="left">The first source vector.</param>
|
|
/// <param name="right">The second source vector.</param>
|
|
/// <returns>A vector containing the largest components of the source vectors.</returns>
|
|
public static Int2 Max(Int2 left, Int2 right)
|
|
{
|
|
Max(ref left, ref right, out Int2 result);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a vector containing the smallest components of the specified vectors.
|
|
/// </summary>
|
|
/// <param name="left">The first source vector.</param>
|
|
/// <param name="right">The second source vector.</param>
|
|
/// <param name="result">
|
|
/// When the method completes, contains an new vector composed of the smallest components of the
|
|
/// source vectors.
|
|
/// </param>
|
|
public static void Min(ref Int2 left, ref Int2 right, out Int2 result)
|
|
{
|
|
result.X = left.X < right.X ? left.X : right.X;
|
|
result.Y = left.Y < right.Y ? left.Y : right.Y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a vector containing the smallest components of the specified vectors.
|
|
/// </summary>
|
|
/// <param name="left">The first source vector.</param>
|
|
/// <param name="right">The second source vector.</param>
|
|
/// <returns>A vector containing the smallest components of the source vectors.</returns>
|
|
public static Int2 Min(Int2 left, Int2 right)
|
|
{
|
|
Min(ref left, ref right, out Int2 result);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the absolute value of a vector.
|
|
/// </summary>
|
|
/// <param name="v">The value.</param>
|
|
/// <returns> A vector which components are less or equal to 0.</returns>
|
|
public static Int2 Abs(Int2 v)
|
|
{
|
|
return new Int2(Math.Abs(v.X), Math.Abs(v.Y));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds two vectors.
|
|
/// </summary>
|
|
/// <param name="left">The first vector to add.</param>
|
|
/// <param name="right">The second vector to add.</param>
|
|
/// <returns>The sum of the two vectors.</returns>
|
|
public static Int2 operator +(Int2 left, Int2 right)
|
|
{
|
|
return new Int2(left.X + right.X, left.Y + right.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Multiplies a vector with another by performing component-wise multiplication equivalent to
|
|
/// <see cref="Multiply(ref Int2,ref Int2,out Int2)" />.
|
|
/// </summary>
|
|
/// <param name="left">The first vector to multiply.</param>
|
|
/// <param name="right">The second vector to multiply.</param>
|
|
/// <returns>The multiplication of the two vectors.</returns>
|
|
public static Int2 operator *(Int2 left, Int2 right)
|
|
{
|
|
return new Int2(left.X * right.X, left.Y * right.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Assert a vector (return it unchanged).
|
|
/// </summary>
|
|
/// <param name="value">The vector to assert (unchanged).</param>
|
|
/// <returns>The asserted (unchanged) vector.</returns>
|
|
public static Int2 operator +(Int2 value)
|
|
{
|
|
return value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Subtracts two vectors.
|
|
/// </summary>
|
|
/// <param name="left">The first vector to subtract.</param>
|
|
/// <param name="right">The second vector to subtract.</param>
|
|
/// <returns>The difference of the two vectors.</returns>
|
|
public static Int2 operator -(Int2 left, Int2 right)
|
|
{
|
|
return new Int2(left.X - right.X, left.Y - right.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reverses the direction of a given vector.
|
|
/// </summary>
|
|
/// <param name="value">The vector to negate.</param>
|
|
/// <returns>A vector facing in the opposite direction.</returns>
|
|
public static Int2 operator -(Int2 value)
|
|
{
|
|
return new Int2(-value.X, -value.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a vector by the given value.
|
|
/// </summary>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <returns>The scaled vector.</returns>
|
|
public static Int2 operator *(int scale, Int2 value)
|
|
{
|
|
return new Int2(value.X * scale, value.Y * scale);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a vector by the given value.
|
|
/// </summary>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <returns>The scaled vector.</returns>
|
|
public static Int2 operator *(Int2 value, int scale)
|
|
{
|
|
return new Int2(value.X * scale, value.Y * scale);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a vector by the given value.
|
|
/// </summary>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <returns>The scaled vector.</returns>
|
|
public static Int2 operator /(Int2 value, int scale)
|
|
{
|
|
return new Int2(value.X / scale, value.Y / scale);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a vector by the given value.
|
|
/// </summary>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <returns>The scaled vector.</returns>
|
|
public static Int2 operator /(int scale, Int2 value)
|
|
{
|
|
return new Int2(scale / value.X, scale / value.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a vector by the given value.
|
|
/// </summary>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <returns>The scaled vector.</returns>
|
|
public static Int2 operator /(Int2 value, Int2 scale)
|
|
{
|
|
return new Int2(value.X / scale.X, value.Y / scale.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Remainder of value divided by scale.
|
|
/// </summary>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <returns>The remained vector.</returns>
|
|
public static Int2 operator %(Int2 value, float scale)
|
|
{
|
|
return new Int2((int)(value.X % scale), (int)(value.Y % scale));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Remainder of value divided by scale.
|
|
/// </summary>
|
|
/// <param name="value">The amount by which to scale the vector.</param>
|
|
/// <param name="scale">The vector to scale.</param>
|
|
/// <returns>The remained vector.</returns>
|
|
public static Int2 operator %(float value, Int2 scale)
|
|
{
|
|
return new Int2((int)(value % scale.X), (int)(value % scale.Y));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Remainder of value divided by scale.
|
|
/// </summary>
|
|
/// <param name="value">The vector to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the vector.</param>
|
|
/// <returns>The remained vector.</returns>
|
|
public static Int2 operator %(Int2 value, Int2 scale)
|
|
{
|
|
return new Int2(value.X % scale.X, value.Y % scale.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Perform a component-wise addition
|
|
/// </summary>
|
|
/// <param name="value">The input vector.</param>
|
|
/// <param name="scalar">The scalar value to be added on elements</param>
|
|
/// <returns>The vector with added scalar for each element.</returns>
|
|
public static Int2 operator +(Int2 value, int scalar)
|
|
{
|
|
return new Int2(value.X + scalar, value.Y + scalar);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Perform a component-wise addition
|
|
/// </summary>
|
|
/// <param name="value">The input vector.</param>
|
|
/// <param name="scalar">The scalar value to be added on elements</param>
|
|
/// <returns>The vector with added scalar for each element.</returns>
|
|
public static Int2 operator +(int scalar, Int2 value)
|
|
{
|
|
return new Int2(scalar + value.X, scalar + value.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Perform a component-wise subtraction
|
|
/// </summary>
|
|
/// <param name="value">The input vector.</param>
|
|
/// <param name="scalar">The scalar value to be subtracted from elements</param>
|
|
/// <returns>The vector with subtracted scalar from each element.</returns>
|
|
public static Int2 operator -(Int2 value, int scalar)
|
|
{
|
|
return new Int2(value.X - scalar, value.Y - scalar);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Perform a component-wise subtraction
|
|
/// </summary>
|
|
/// <param name="value">The input vector.</param>
|
|
/// <param name="scalar">The scalar value to be subtracted from elements</param>
|
|
/// <returns>The vector with subtracted scalar from each element.</returns>
|
|
public static Int2 operator -(int scalar, Int2 value)
|
|
{
|
|
return new Int2(scalar - value.X, scalar - value.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Tests for equality between two objects.
|
|
/// </summary>
|
|
/// <param name="left">The first value to compare.</param>
|
|
/// <param name="right">The second value to compare.</param>
|
|
/// <returns>
|
|
/// <c>true</c> if <paramref name="left" /> has the same value as <paramref name="right" />; otherwise,
|
|
/// <c>false</c>.
|
|
/// </returns>
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool operator ==(Int2 left, Int2 right)
|
|
{
|
|
return left.Equals(ref right);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Tests for inequality between two objects.
|
|
/// </summary>
|
|
/// <param name="left">The first value to compare.</param>
|
|
/// <param name="right">The second value to compare.</param>
|
|
/// <returns>
|
|
/// <c>true</c> if <paramref name="left" /> has a different value than <paramref name="right" />; otherwise,
|
|
/// <c>false</c>.
|
|
/// </returns>
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool operator !=(Int2 left, Int2 right)
|
|
{
|
|
return !left.Equals(ref right);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs an explicit conversion from <see cref="Int2" /> to <see cref="Int3" />.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>The result of the conversion.</returns>
|
|
public static explicit operator Int3(Int2 value)
|
|
{
|
|
return new Int3(value, 0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs an explicit conversion from <see cref="Int2" /> to <see cref="Int4" />.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>The result of the conversion.</returns>
|
|
public static explicit operator Int4(Int2 value)
|
|
{
|
|
return new Int4(value, 0, 0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs an explicit conversion from <see cref="Int2" /> to <see cref="Vector2" />.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>The result of the conversion.</returns>
|
|
public static explicit operator Vector2(Int2 value)
|
|
{
|
|
return new Vector2(value.X, value.Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs an explicit conversion from <see cref="Int2" /> to <see cref="Vector3" />.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>The result of the conversion.</returns>
|
|
public static explicit operator Vector3(Int2 value)
|
|
{
|
|
return new Vector3(value.X, value.Y, 0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs an explicit conversion from <see cref="Int2" /> to <see cref="Vector4" />.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>The result of the conversion.</returns>
|
|
public static explicit operator Vector4(Int2 value)
|
|
{
|
|
return new Vector4(value.X, value.Y, 0, 0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a <see cref="System.String" /> that represents this instance.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// A <see cref="System.String" /> that represents this instance.
|
|
/// </returns>
|
|
public override string ToString()
|
|
{
|
|
return string.Format(CultureInfo.CurrentCulture, _formatString, X, Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a <see cref="System.String" /> that represents this instance.
|
|
/// </summary>
|
|
/// <param name="format">The format.</param>
|
|
/// <returns>
|
|
/// A <see cref="System.String" /> that represents this instance.
|
|
/// </returns>
|
|
public string ToString(string format)
|
|
{
|
|
if (format == null)
|
|
return ToString();
|
|
|
|
return string.Format(CultureInfo.CurrentCulture, _formatString, X.ToString(format, CultureInfo.CurrentCulture), Y.ToString(format, CultureInfo.CurrentCulture));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a <see cref="System.String" /> that represents this instance.
|
|
/// </summary>
|
|
/// <param name="formatProvider">The format provider.</param>
|
|
/// <returns>
|
|
/// A <see cref="System.String" /> that represents this instance.
|
|
/// </returns>
|
|
public string ToString(IFormatProvider formatProvider)
|
|
{
|
|
return string.Format(formatProvider, _formatString, X, Y);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a <see cref="System.String" /> that represents this instance.
|
|
/// </summary>
|
|
/// <param name="format">The format.</param>
|
|
/// <param name="formatProvider">The format provider.</param>
|
|
/// <returns>
|
|
/// A <see cref="System.String" /> that represents this instance.
|
|
/// </returns>
|
|
public string ToString(string format, IFormatProvider formatProvider)
|
|
{
|
|
if (format == null)
|
|
return ToString(formatProvider);
|
|
|
|
return string.Format(formatProvider, _formatString, X.ToString(format, formatProvider), Y.ToString(format, formatProvider));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a hash code for this instance.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
|
|
/// </returns>
|
|
public override int GetHashCode()
|
|
{
|
|
unchecked
|
|
{
|
|
return (X.GetHashCode() * 397) ^ Y.GetHashCode();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="Int2" /> is equal to this instance.
|
|
/// </summary>
|
|
/// <param name="other">The <see cref="Int2" /> to compare with this instance.</param>
|
|
/// <returns>
|
|
/// <c>true</c> if the specified <see cref="Int2" /> is equal to this instance; otherwise, <c>false</c>.
|
|
/// </returns>
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public bool Equals(ref Int2 other)
|
|
{
|
|
return other.X == X && other.Y == Y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="Int2"/> are equal.
|
|
/// </summary>
|
|
public static bool Equals(ref Int2 a, ref Int2 b)
|
|
{
|
|
return a.X == b.X && a.Y == b.Y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="Int2" /> is equal to this instance.
|
|
/// </summary>
|
|
/// <param name="other">The <see cref="Int2" /> to compare with this instance.</param>
|
|
/// <returns>
|
|
/// <c>true</c> if the specified <see cref="Int2" /> is equal to this instance; otherwise, <c>false</c>.
|
|
/// </returns>
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public bool Equals(Int2 other)
|
|
{
|
|
return Equals(ref other);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="System.Object" /> is equal to this instance.
|
|
/// </summary>
|
|
/// <param name="value">The <see cref="System.Object" /> to compare with this instance.</param>
|
|
/// <returns>
|
|
/// <c>true</c> if the specified <see cref="System.Object" /> is equal to this instance; otherwise, <c>false</c>.
|
|
/// </returns>
|
|
public override bool Equals(object value)
|
|
{
|
|
if (!(value is Int2))
|
|
return false;
|
|
|
|
var strongValue = (Int2)value;
|
|
return Equals(ref strongValue);
|
|
}
|
|
}
|
|
}
|