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bquat.cs
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bquat.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Numerics;
using System.Linq;
using GlmSharp.Swizzle;
// ReSharper disable InconsistentNaming
namespace GlmSharp
{
/// <summary>
/// A quaternion of type bool.
/// </summary>
[Serializable]
[DataContract]
[StructLayout(LayoutKind.Sequential)]
public struct bquat : IReadOnlyList<bool>, IEquatable<bquat>
{
#region Fields
/// <summary>
/// x-component
/// </summary>
[DataMember]
public bool x;
/// <summary>
/// y-component
/// </summary>
[DataMember]
public bool y;
/// <summary>
/// z-component
/// </summary>
[DataMember]
public bool z;
/// <summary>
/// w-component
/// </summary>
[DataMember]
public bool w;
#endregion
#region Constructors
/// <summary>
/// Component-wise constructor
/// </summary>
public bquat(bool x, bool y, bool z, bool w)
{
this.x = x;
this.y = y;
this.z = z;
this.w = w;
}
/// <summary>
/// all-same-value constructor
/// </summary>
public bquat(bool v)
{
this.x = v;
this.y = v;
this.z = v;
this.w = v;
}
/// <summary>
/// copy constructor
/// </summary>
public bquat(bquat q)
{
this.x = q.x;
this.y = q.y;
this.z = q.z;
this.w = q.w;
}
/// <summary>
/// vector-and-scalar constructor (CAUTION: not angle-axis, use FromAngleAxis instead)
/// </summary>
public bquat(bvec3 v, bool s)
{
this.x = v.x;
this.y = v.y;
this.z = v.z;
this.w = s;
}
#endregion
#region Explicit Operators
/// <summary>
/// Explicitly converts this to a ivec4.
/// </summary>
public static explicit operator ivec4(bquat v) => new ivec4(v.x ? 1 : 0, v.y ? 1 : 0, v.z ? 1 : 0, v.w ? 1 : 0);
/// <summary>
/// Explicitly converts this to a iquat.
/// </summary>
public static explicit operator iquat(bquat v) => new iquat(v.x ? 1 : 0, v.y ? 1 : 0, v.z ? 1 : 0, v.w ? 1 : 0);
/// <summary>
/// Explicitly converts this to a uvec4.
/// </summary>
public static explicit operator uvec4(bquat v) => new uvec4(v.x ? 1u : 0u, v.y ? 1u : 0u, v.z ? 1u : 0u, v.w ? 1u : 0u);
/// <summary>
/// Explicitly converts this to a uquat.
/// </summary>
public static explicit operator uquat(bquat v) => new uquat(v.x ? 1u : 0u, v.y ? 1u : 0u, v.z ? 1u : 0u, v.w ? 1u : 0u);
/// <summary>
/// Explicitly converts this to a vec4.
/// </summary>
public static explicit operator vec4(bquat v) => new vec4(v.x ? 1f : 0f, v.y ? 1f : 0f, v.z ? 1f : 0f, v.w ? 1f : 0f);
/// <summary>
/// Explicitly converts this to a quat.
/// </summary>
public static explicit operator quat(bquat v) => new quat(v.x ? 1f : 0f, v.y ? 1f : 0f, v.z ? 1f : 0f, v.w ? 1f : 0f);
/// <summary>
/// Explicitly converts this to a hvec4.
/// </summary>
public static explicit operator hvec4(bquat v) => new hvec4(v.x ? Half.One : Half.Zero, v.y ? Half.One : Half.Zero, v.z ? Half.One : Half.Zero, v.w ? Half.One : Half.Zero);
/// <summary>
/// Explicitly converts this to a hquat.
/// </summary>
public static explicit operator hquat(bquat v) => new hquat(v.x ? Half.One : Half.Zero, v.y ? Half.One : Half.Zero, v.z ? Half.One : Half.Zero, v.w ? Half.One : Half.Zero);
/// <summary>
/// Explicitly converts this to a dvec4.
/// </summary>
public static explicit operator dvec4(bquat v) => new dvec4(v.x ? 1.0 : 0.0, v.y ? 1.0 : 0.0, v.z ? 1.0 : 0.0, v.w ? 1.0 : 0.0);
/// <summary>
/// Explicitly converts this to a dquat.
/// </summary>
public static explicit operator dquat(bquat v) => new dquat(v.x ? 1.0 : 0.0, v.y ? 1.0 : 0.0, v.z ? 1.0 : 0.0, v.w ? 1.0 : 0.0);
/// <summary>
/// Explicitly converts this to a decvec4.
/// </summary>
public static explicit operator decvec4(bquat v) => new decvec4(v.x ? 1m : 0m, v.y ? 1m : 0m, v.z ? 1m : 0m, v.w ? 1m : 0m);
/// <summary>
/// Explicitly converts this to a decquat.
/// </summary>
public static explicit operator decquat(bquat v) => new decquat(v.x ? 1m : 0m, v.y ? 1m : 0m, v.z ? 1m : 0m, v.w ? 1m : 0m);
/// <summary>
/// Explicitly converts this to a cvec4.
/// </summary>
public static explicit operator cvec4(bquat v) => new cvec4(v.x ? Complex.One : Complex.Zero, v.y ? Complex.One : Complex.Zero, v.z ? Complex.One : Complex.Zero, v.w ? Complex.One : Complex.Zero);
/// <summary>
/// Explicitly converts this to a cquat.
/// </summary>
public static explicit operator cquat(bquat v) => new cquat(v.x ? Complex.One : Complex.Zero, v.y ? Complex.One : Complex.Zero, v.z ? Complex.One : Complex.Zero, v.w ? Complex.One : Complex.Zero);
/// <summary>
/// Explicitly converts this to a lvec4.
/// </summary>
public static explicit operator lvec4(bquat v) => new lvec4(v.x ? 1 : 0, v.y ? 1 : 0, v.z ? 1 : 0, v.w ? 1 : 0);
/// <summary>
/// Explicitly converts this to a lquat.
/// </summary>
public static explicit operator lquat(bquat v) => new lquat(v.x ? 1 : 0, v.y ? 1 : 0, v.z ? 1 : 0, v.w ? 1 : 0);
/// <summary>
/// Explicitly converts this to a bvec4.
/// </summary>
public static explicit operator bvec4(bquat v) => new bvec4((bool)v.x, (bool)v.y, (bool)v.z, (bool)v.w);
#endregion
#region Indexer
/// <summary>
/// Gets/Sets a specific indexed component (a bit slower than direct access).
/// </summary>
public bool this[int index]
{
get
{
switch (index)
{
case 0: return x;
case 1: return y;
case 2: return z;
case 3: return w;
default: throw new ArgumentOutOfRangeException("index");
}
}
set
{
switch (index)
{
case 0: x = value; break;
case 1: y = value; break;
case 2: z = value; break;
case 3: w = value; break;
default: throw new ArgumentOutOfRangeException("index");
}
}
}
#endregion
#region Properties
/// <summary>
/// Returns an array with all values
/// </summary>
public bool[] Values => new[] { x, y, z, w };
/// <summary>
/// Returns the number of components (4).
/// </summary>
public int Count => 4;
/// <summary>
/// Returns the minimal component of this quaternion.
/// </summary>
public bool MinElement => ((x && y) && (z && w));
/// <summary>
/// Returns the maximal component of this quaternion.
/// </summary>
public bool MaxElement => ((x || y) || (z || w));
/// <summary>
/// Returns true if all component are true.
/// </summary>
public bool All => ((x && y) && (z && w));
/// <summary>
/// Returns true if any component is true.
/// </summary>
public bool Any => ((x || y) || (z || w));
#endregion
#region Static Properties
/// <summary>
/// Predefined all-zero quaternion
/// </summary>
public static bquat Zero { get; } = new bquat(false, false, false, false);
/// <summary>
/// Predefined all-ones quaternion
/// </summary>
public static bquat Ones { get; } = new bquat(true, true, true, true);
/// <summary>
/// Predefined identity quaternion
/// </summary>
public static bquat Identity { get; } = new bquat(false, false, false, true);
/// <summary>
/// Predefined unit-X quaternion
/// </summary>
public static bquat UnitX { get; } = new bquat(true, false, false, false);
/// <summary>
/// Predefined unit-Y quaternion
/// </summary>
public static bquat UnitY { get; } = new bquat(false, true, false, false);
/// <summary>
/// Predefined unit-Z quaternion
/// </summary>
public static bquat UnitZ { get; } = new bquat(false, false, true, false);
/// <summary>
/// Predefined unit-W quaternion
/// </summary>
public static bquat UnitW { get; } = new bquat(false, false, false, true);
#endregion
#region Operators
/// <summary>
/// Returns true iff this equals rhs component-wise.
/// </summary>
public static bool operator==(bquat lhs, bquat rhs) => lhs.Equals(rhs);
/// <summary>
/// Returns true iff this does not equal rhs (component-wise).
/// </summary>
public static bool operator!=(bquat lhs, bquat rhs) => !lhs.Equals(rhs);
#endregion
#region Functions
/// <summary>
/// Returns an enumerator that iterates through all components.
/// </summary>
public IEnumerator<bool> GetEnumerator()
{
yield return x;
yield return y;
yield return z;
yield return w;
}
/// <summary>
/// Returns an enumerator that iterates through all components.
/// </summary>
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
/// <summary>
/// Returns a string representation of this quaternion using ', ' as a seperator.
/// </summary>
public override string ToString() => ToString(", ");
/// <summary>
/// Returns a string representation of this quaternion using a provided seperator.
/// </summary>
public string ToString(string sep) => ((x + sep + y) + sep + (z + sep + w));
/// <summary>
/// Returns a string representation of this quaternion using a provided seperator and a format provider for each component.
/// </summary>
public string ToString(string sep, IFormatProvider provider) => ((x.ToString(provider) + sep + y.ToString(provider)) + sep + (z.ToString(provider) + sep + w.ToString(provider)));
/// <summary>
/// Returns true iff this equals rhs component-wise.
/// </summary>
public bool Equals(bquat rhs) => ((x.Equals(rhs.x) && y.Equals(rhs.y)) && (z.Equals(rhs.z) && w.Equals(rhs.w)));
/// <summary>
/// Returns true iff this equals rhs type- and component-wise.
/// </summary>
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
return obj is bquat && Equals((bquat) obj);
}
/// <summary>
/// Returns a hash code for this instance.
/// </summary>
public override int GetHashCode()
{
unchecked
{
return ((((((x.GetHashCode()) * 2) ^ y.GetHashCode()) * 2) ^ z.GetHashCode()) * 2) ^ w.GetHashCode();
}
}
#endregion
#region Static Functions
/// <summary>
/// Converts the string representation of the quaternion into a quaternion representation (using ', ' as a separator).
/// </summary>
public static bquat Parse(string s) => Parse(s, ", ");
/// <summary>
/// Converts the string representation of the quaternion into a quaternion representation (using a designated separator).
/// </summary>
public static bquat Parse(string s, string sep)
{
var kvp = s.Split(new[] { sep }, StringSplitOptions.None);
if (kvp.Length != 4) throw new FormatException("input has not exactly 4 parts");
return new bquat(bool.Parse(kvp[0].Trim()), bool.Parse(kvp[1].Trim()), bool.Parse(kvp[2].Trim()), bool.Parse(kvp[3].Trim()));
}
/// <summary>
/// Tries to convert the string representation of the quaternion into a quaternion representation (using ', ' as a separator), returns false if string was invalid.
/// </summary>
public static bool TryParse(string s, out bquat result) => TryParse(s, ", ", out result);
/// <summary>
/// Tries to convert the string representation of the quaternion into a quaternion representation (using a designated separator), returns false if string was invalid.
/// </summary>
public static bool TryParse(string s, string sep, out bquat result)
{
result = Zero;
if (string.IsNullOrEmpty(s)) return false;
var kvp = s.Split(new[] { sep }, StringSplitOptions.None);
if (kvp.Length != 4) return false;
bool x = false, y = false, z = false, w = false;
var ok = ((bool.TryParse(kvp[0].Trim(), out x) && bool.TryParse(kvp[1].Trim(), out y)) && (bool.TryParse(kvp[2].Trim(), out z) && bool.TryParse(kvp[3].Trim(), out w)));
result = ok ? new bquat(x, y, z, w) : Zero;
return ok;
}
#endregion
#region Component-Wise Static Functions
/// <summary>
/// Returns a bvec4 from component-wise application of Equal (lhs == rhs).
/// </summary>
public static bvec4 Equal(bquat lhs, bquat rhs) => new bvec4(lhs.x == rhs.x, lhs.y == rhs.y, lhs.z == rhs.z, lhs.w == rhs.w);
/// <summary>
/// Returns a bvec4 from component-wise application of Equal (lhs == rhs).
/// </summary>
public static bvec4 Equal(bquat lhs, bool rhs) => new bvec4(lhs.x == rhs, lhs.y == rhs, lhs.z == rhs, lhs.w == rhs);
/// <summary>
/// Returns a bvec4 from component-wise application of Equal (lhs == rhs).
/// </summary>
public static bvec4 Equal(bool lhs, bquat rhs) => new bvec4(lhs == rhs.x, lhs == rhs.y, lhs == rhs.z, lhs == rhs.w);
/// <summary>
/// Returns a bvec from the application of Equal (lhs == rhs).
/// </summary>
public static bvec4 Equal(bool lhs, bool rhs) => new bvec4(lhs == rhs);
/// <summary>
/// Returns a bvec4 from component-wise application of NotEqual (lhs != rhs).
/// </summary>
public static bvec4 NotEqual(bquat lhs, bquat rhs) => new bvec4(lhs.x != rhs.x, lhs.y != rhs.y, lhs.z != rhs.z, lhs.w != rhs.w);
/// <summary>
/// Returns a bvec4 from component-wise application of NotEqual (lhs != rhs).
/// </summary>
public static bvec4 NotEqual(bquat lhs, bool rhs) => new bvec4(lhs.x != rhs, lhs.y != rhs, lhs.z != rhs, lhs.w != rhs);
/// <summary>
/// Returns a bvec4 from component-wise application of NotEqual (lhs != rhs).
/// </summary>
public static bvec4 NotEqual(bool lhs, bquat rhs) => new bvec4(lhs != rhs.x, lhs != rhs.y, lhs != rhs.z, lhs != rhs.w);
/// <summary>
/// Returns a bvec from the application of NotEqual (lhs != rhs).
/// </summary>
public static bvec4 NotEqual(bool lhs, bool rhs) => new bvec4(lhs != rhs);
/// <summary>
/// Returns a bvec4 from component-wise application of Not (!v).
/// </summary>
public static bvec4 Not(bquat v) => new bvec4(!v.x, !v.y, !v.z, !v.w);
/// <summary>
/// Returns a bvec from the application of Not (!v).
/// </summary>
public static bvec4 Not(bool v) => new bvec4(!v);
/// <summary>
/// Returns a bquat from component-wise application of And (lhs && rhs).
/// </summary>
public static bquat And(bquat lhs, bquat rhs) => new bquat(lhs.x && rhs.x, lhs.y && rhs.y, lhs.z && rhs.z, lhs.w && rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of And (lhs && rhs).
/// </summary>
public static bquat And(bquat lhs, bool rhs) => new bquat(lhs.x && rhs, lhs.y && rhs, lhs.z && rhs, lhs.w && rhs);
/// <summary>
/// Returns a bquat from component-wise application of And (lhs && rhs).
/// </summary>
public static bquat And(bool lhs, bquat rhs) => new bquat(lhs && rhs.x, lhs && rhs.y, lhs && rhs.z, lhs && rhs.w);
/// <summary>
/// Returns a bquat from the application of And (lhs && rhs).
/// </summary>
public static bquat And(bool lhs, bool rhs) => new bquat(lhs && rhs);
/// <summary>
/// Returns a bquat from component-wise application of Nand (!(lhs && rhs)).
/// </summary>
public static bquat Nand(bquat lhs, bquat rhs) => new bquat(!(lhs.x && rhs.x), !(lhs.y && rhs.y), !(lhs.z && rhs.z), !(lhs.w && rhs.w));
/// <summary>
/// Returns a bquat from component-wise application of Nand (!(lhs && rhs)).
/// </summary>
public static bquat Nand(bquat lhs, bool rhs) => new bquat(!(lhs.x && rhs), !(lhs.y && rhs), !(lhs.z && rhs), !(lhs.w && rhs));
/// <summary>
/// Returns a bquat from component-wise application of Nand (!(lhs && rhs)).
/// </summary>
public static bquat Nand(bool lhs, bquat rhs) => new bquat(!(lhs && rhs.x), !(lhs && rhs.y), !(lhs && rhs.z), !(lhs && rhs.w));
/// <summary>
/// Returns a bquat from the application of Nand (!(lhs && rhs)).
/// </summary>
public static bquat Nand(bool lhs, bool rhs) => new bquat(!(lhs && rhs));
/// <summary>
/// Returns a bquat from component-wise application of Or (lhs || rhs).
/// </summary>
public static bquat Or(bquat lhs, bquat rhs) => new bquat(lhs.x || rhs.x, lhs.y || rhs.y, lhs.z || rhs.z, lhs.w || rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of Or (lhs || rhs).
/// </summary>
public static bquat Or(bquat lhs, bool rhs) => new bquat(lhs.x || rhs, lhs.y || rhs, lhs.z || rhs, lhs.w || rhs);
/// <summary>
/// Returns a bquat from component-wise application of Or (lhs || rhs).
/// </summary>
public static bquat Or(bool lhs, bquat rhs) => new bquat(lhs || rhs.x, lhs || rhs.y, lhs || rhs.z, lhs || rhs.w);
/// <summary>
/// Returns a bquat from the application of Or (lhs || rhs).
/// </summary>
public static bquat Or(bool lhs, bool rhs) => new bquat(lhs || rhs);
/// <summary>
/// Returns a bquat from component-wise application of Nor (!(lhs || rhs)).
/// </summary>
public static bquat Nor(bquat lhs, bquat rhs) => new bquat(!(lhs.x || rhs.x), !(lhs.y || rhs.y), !(lhs.z || rhs.z), !(lhs.w || rhs.w));
/// <summary>
/// Returns a bquat from component-wise application of Nor (!(lhs || rhs)).
/// </summary>
public static bquat Nor(bquat lhs, bool rhs) => new bquat(!(lhs.x || rhs), !(lhs.y || rhs), !(lhs.z || rhs), !(lhs.w || rhs));
/// <summary>
/// Returns a bquat from component-wise application of Nor (!(lhs || rhs)).
/// </summary>
public static bquat Nor(bool lhs, bquat rhs) => new bquat(!(lhs || rhs.x), !(lhs || rhs.y), !(lhs || rhs.z), !(lhs || rhs.w));
/// <summary>
/// Returns a bquat from the application of Nor (!(lhs || rhs)).
/// </summary>
public static bquat Nor(bool lhs, bool rhs) => new bquat(!(lhs || rhs));
/// <summary>
/// Returns a bquat from component-wise application of Xor (lhs != rhs).
/// </summary>
public static bquat Xor(bquat lhs, bquat rhs) => new bquat(lhs.x != rhs.x, lhs.y != rhs.y, lhs.z != rhs.z, lhs.w != rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of Xor (lhs != rhs).
/// </summary>
public static bquat Xor(bquat lhs, bool rhs) => new bquat(lhs.x != rhs, lhs.y != rhs, lhs.z != rhs, lhs.w != rhs);
/// <summary>
/// Returns a bquat from component-wise application of Xor (lhs != rhs).
/// </summary>
public static bquat Xor(bool lhs, bquat rhs) => new bquat(lhs != rhs.x, lhs != rhs.y, lhs != rhs.z, lhs != rhs.w);
/// <summary>
/// Returns a bquat from the application of Xor (lhs != rhs).
/// </summary>
public static bquat Xor(bool lhs, bool rhs) => new bquat(lhs != rhs);
/// <summary>
/// Returns a bquat from component-wise application of Xnor (lhs == rhs).
/// </summary>
public static bquat Xnor(bquat lhs, bquat rhs) => new bquat(lhs.x == rhs.x, lhs.y == rhs.y, lhs.z == rhs.z, lhs.w == rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of Xnor (lhs == rhs).
/// </summary>
public static bquat Xnor(bquat lhs, bool rhs) => new bquat(lhs.x == rhs, lhs.y == rhs, lhs.z == rhs, lhs.w == rhs);
/// <summary>
/// Returns a bquat from component-wise application of Xnor (lhs == rhs).
/// </summary>
public static bquat Xnor(bool lhs, bquat rhs) => new bquat(lhs == rhs.x, lhs == rhs.y, lhs == rhs.z, lhs == rhs.w);
/// <summary>
/// Returns a bquat from the application of Xnor (lhs == rhs).
/// </summary>
public static bquat Xnor(bool lhs, bool rhs) => new bquat(lhs == rhs);
#endregion
#region Component-Wise Operator Overloads
/// <summary>
/// Returns a bquat from component-wise application of operator! (!v).
/// </summary>
public static bquat operator!(bquat v) => new bquat(!v.x, !v.y, !v.z, !v.w);
/// <summary>
/// Returns a bquat from component-wise application of operator& (lhs && rhs).
/// </summary>
public static bquat operator&(bquat lhs, bquat rhs) => new bquat(lhs.x && rhs.x, lhs.y && rhs.y, lhs.z && rhs.z, lhs.w && rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of operator& (lhs && rhs).
/// </summary>
public static bquat operator&(bquat lhs, bool rhs) => new bquat(lhs.x && rhs, lhs.y && rhs, lhs.z && rhs, lhs.w && rhs);
/// <summary>
/// Returns a bquat from component-wise application of operator& (lhs && rhs).
/// </summary>
public static bquat operator&(bool lhs, bquat rhs) => new bquat(lhs && rhs.x, lhs && rhs.y, lhs && rhs.z, lhs && rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of operator| (lhs || rhs).
/// </summary>
public static bquat operator|(bquat lhs, bquat rhs) => new bquat(lhs.x || rhs.x, lhs.y || rhs.y, lhs.z || rhs.z, lhs.w || rhs.w);
/// <summary>
/// Returns a bquat from component-wise application of operator| (lhs || rhs).
/// </summary>
public static bquat operator|(bquat lhs, bool rhs) => new bquat(lhs.x || rhs, lhs.y || rhs, lhs.z || rhs, lhs.w || rhs);
/// <summary>
/// Returns a bquat from component-wise application of operator| (lhs || rhs).
/// </summary>
public static bquat operator|(bool lhs, bquat rhs) => new bquat(lhs || rhs.x, lhs || rhs.y, lhs || rhs.z, lhs || rhs.w);
#endregion
}
}