618 lines
28 KiB
C#
618 lines
28 KiB
C#
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#if USE_LARGE_WORLDS
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using Real = System.Double;
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using Mathr = FlaxEngine.Mathd;
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#else
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using Real = System.Single;
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using Mathr = FlaxEngine.Mathf;
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#endif
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// -----------------------------------------------------------------------------
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// Original code from SharpDX project. https://github.com/sharpdx/SharpDX/
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// Greetings to Alexandre Mutel. Original code published with the following license:
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// -----------------------------------------------------------------------------
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// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// -----------------------------------------------------------------------------
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// Original code from SlimMath project. http://code.google.com/p/slimmath/
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// Greetings to SlimDX Group. Original code published with the following license:
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// -----------------------------------------------------------------------------
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/*
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* Copyright (c) 2007-2011 SlimDX Group
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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using System;
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using System.Globalization;
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using System.Runtime.CompilerServices;
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namespace FlaxEngine
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{
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[Serializable]
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partial struct Plane : IEquatable<Plane>, IFormattable
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="T:FlaxEngine.Plane" /> class.
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/// </summary>
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/// <param name="point">Any point that lies along the plane.</param>
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/// <param name="normal">The normal vector to the plane.</param>
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public Plane(Vector3 point, Vector3 normal)
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{
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Normal = normal;
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D = -Vector3.Dot(normal, point);
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Plane" /> struct.
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/// </summary>
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/// <param name="value">The normal of the plane.</param>
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/// <param name="d">The distance of the plane along its normal from the origin</param>
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public Plane(Vector3 value, Real d)
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{
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Normal = value;
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D = d;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Plane" /> struct.
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/// </summary>
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/// <param name="point1">First point of a triangle defining the plane.</param>
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/// <param name="point2">Second point of a triangle defining the plane.</param>
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/// <param name="point3">Third point of a triangle defining the plane.</param>
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public Plane(Vector3 point1, Vector3 point2, Vector3 point3)
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{
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Real x1 = point2.X - point1.X;
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Real y1 = point2.Y - point1.Y;
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Real z1 = point2.Z - point1.Z;
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Real x2 = point3.X - point1.X;
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Real y2 = point3.Y - point1.Y;
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Real z2 = point3.Z - point1.Z;
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Real yz = y1 * z2 - z1 * y2;
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Real xz = z1 * x2 - x1 * z2;
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Real xy = x1 * y2 - y1 * x2;
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Real invPyth = 1.0f / (Real)Math.Sqrt(yz * yz + xz * xz + xy * xy);
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Normal.X = yz * invPyth;
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Normal.Y = xz * invPyth;
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Normal.Z = xy * invPyth;
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D = -(Normal.X * point1.X + Normal.Y * point1.Y + Normal.Z * point1.Z);
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="Plane" /> struct.
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/// </summary>
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/// <param name="values">The values to assign to the A, B, C, and D components of the plane. This must be an array with four elements.</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">Thrown when <paramref name="values" /> contains more or less than four elements.</exception>
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public Plane(Real[] 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 != 4)
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throw new ArgumentOutOfRangeException(nameof(values), "There must be four and only four input values for Plane.");
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Normal.X = values[0];
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Normal.Y = values[1];
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Normal.Z = values[2];
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D = values[3];
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}
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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 A, B, C, or D component, depending on the index.</value>
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/// <param name="index">The index of the component to access. Use 0 for the A component, 1 for the B component, 2 for the C component, and 3 for the D 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">Thrown when the <paramref name="index" /> is out of the range [0,3].</exception>
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public Real 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 Normal.X;
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case 1: return Normal.Y;
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case 2: return Normal.Z;
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case 3: return D;
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}
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throw new ArgumentOutOfRangeException(nameof(index), "Indices for Plane run from 0 to 3, 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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Normal.X = value;
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break;
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case 1:
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Normal.Y = value;
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break;
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case 2:
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Normal.Z = value;
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break;
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case 3:
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D = value;
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break;
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default: throw new ArgumentOutOfRangeException(nameof(index), "Indices for Plane run from 0 to 3, inclusive.");
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}
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}
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}
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/// <summary>
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/// Changes the coefficients of the normal vector of the plane to make it of unit length.
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/// </summary>
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public void Normalize()
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{
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Real length = Normal.Length;
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if (length >= Mathr.Epsilon)
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{
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Real rcp = 1.0f / length;
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Normal.X *= rcp;
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Normal.Y *= rcp;
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Normal.Z *= rcp;
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D *= rcp;
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}
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}
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/// <summary>
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/// Creates an array containing the elements of the plane.
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/// </summary>
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/// <returns>A four-element array containing the components of the plane.</returns>
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public Real[] ToArray()
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{
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return new[] { Normal.X, Normal.Y, Normal.Z, D };
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a point.
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/// </summary>
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/// <param name="point">The point to test.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public PlaneIntersectionType Intersects(ref Vector3 point)
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{
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return CollisionsHelper.PlaneIntersectsPoint(ref this, ref point);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="Ray" />.
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/// </summary>
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/// <param name="ray">The ray to test.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public bool Intersects(ref Ray ray)
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{
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return CollisionsHelper.RayIntersectsPlane(ref ray, ref this, out Real _);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="Ray" />.
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/// </summary>
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/// <param name="ray">The ray to test.</param>
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/// <param name="distance">When the method completes, contains the distance of the intersection, or 0 if there was no intersection.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public bool Intersects(ref Ray ray, out Real distance)
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{
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return CollisionsHelper.RayIntersectsPlane(ref ray, ref this, out distance);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="Ray" />.
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/// </summary>
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/// <param name="ray">The ray to test.</param>
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/// <param name="point">When the method completes, contains the point of intersection, or <see cref="Vector3.Zero" /> if there was no intersection.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public bool Intersects(ref Ray ray, out Vector3 point)
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{
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return CollisionsHelper.RayIntersectsPlane(ref ray, ref this, out point);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="Plane" />.
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/// </summary>
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/// <param name="plane">The plane to test.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public bool Intersects(ref Plane plane)
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{
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return CollisionsHelper.PlaneIntersectsPlane(ref this, ref plane);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="Plane" />.
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/// </summary>
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/// <param name="plane">The plane to test.</param>
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/// <param name="line">When the method completes, contains the line of intersection as a <see cref="Ray" />, or a zero ray if there was no intersection.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public bool Intersects(ref Plane plane, out Ray line)
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{
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return CollisionsHelper.PlaneIntersectsPlane(ref this, ref plane, out line);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a triangle.
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/// </summary>
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/// <param name="vertex1">The first vertex of the triangle to test.</param>
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/// <param name="vertex2">The second vertex of the triangle to test.</param>
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/// <param name="vertex3">The third vertex of the triangle to test.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public PlaneIntersectionType Intersects(ref Vector3 vertex1, ref Vector3 vertex2, ref Vector3 vertex3)
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{
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return CollisionsHelper.PlaneIntersectsTriangle(ref this, ref vertex1, ref vertex2, ref vertex3);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="BoundingBox" />.
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/// </summary>
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/// <param name="box">The box to test.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public PlaneIntersectionType Intersects(ref BoundingBox box)
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{
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return CollisionsHelper.PlaneIntersectsBox(ref this, ref box);
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}
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/// <summary>
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/// Determines if there is an intersection between the current object and a <see cref="BoundingSphere" />.
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/// </summary>
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/// <param name="sphere">The sphere to test.</param>
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/// <returns>Whether the two objects intersected.</returns>
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public PlaneIntersectionType Intersects(ref BoundingSphere sphere)
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{
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return CollisionsHelper.PlaneIntersectsSphere(ref this, ref sphere);
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}
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/// <summary>
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/// Scales the plane by the given scaling factor.
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/// </summary>
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/// <param name="value">The plane to scale.</param>
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/// <param name="scale">The amount by which to scale the plane.</param>
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/// <param name="result">When the method completes, contains the scaled plane.</param>
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public static void Multiply(ref Plane value, Real scale, out Plane result)
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{
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result.Normal.X = value.Normal.X * scale;
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result.Normal.Y = value.Normal.Y * scale;
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result.Normal.Z = value.Normal.Z * scale;
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result.D = value.D * scale;
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}
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/// <summary>
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/// Scales the plane by the given scaling factor.
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/// </summary>
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/// <param name="value">The plane to scale.</param>
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/// <param name="scale">The amount by which to scale the plane.</param>
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/// <returns>The scaled plane.</returns>
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public static Plane Multiply(Plane value, Real scale)
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{
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return new Plane(value.Normal * scale, value.D * scale);
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}
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/// <summary>
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/// Calculates the dot product of the specified vector and plane.
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/// </summary>
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/// <param name="left">The source plane.</param>
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/// <param name="right">The source vector.</param>
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/// <param name="result">When the method completes, contains the dot product of the specified plane and vector.</param>
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public static void Dot(ref Plane left, ref Vector4 right, out Real result)
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{
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result = left.Normal.X * right.X + left.Normal.Y * right.Y + left.Normal.Z * right.Z + left.D * right.W;
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}
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/// <summary>
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/// Calculates the dot product of the specified vector and plane.
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/// </summary>
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/// <param name="left">The source plane.</param>
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/// <param name="right">The source vector.</param>
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/// <returns>The dot product of the specified plane and vector.</returns>
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public static Real Dot(Plane left, Vector4 right)
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{
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return left.Normal.X * right.X + left.Normal.Y * right.Y + left.Normal.Z * right.Z + left.D * right.W;
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}
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/// <summary>
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/// Calculates the dot product of a specified vector and the normal of the plane plus the distance value of the plane.
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/// </summary>
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/// <param name="left">The source plane.</param>
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/// <param name="right">The source vector.</param>
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/// <param name="result">When the method completes, contains the dot product of a specified vector and the normal of the Plane plus the distance value of the plane.</param>
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public static void DotCoordinate(ref Plane left, ref Vector3 right, out Real result)
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{
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result = left.Normal.X * right.X + left.Normal.Y * right.Y + left.Normal.Z * right.Z + left.D;
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}
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/// <summary>
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/// Calculates the dot product of a specified vector and the normal of the plane plus the distance value of the plane.
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/// </summary>
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/// <param name="left">The source plane.</param>
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/// <param name="right">The source vector.</param>
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/// <returns>The dot product of a specified vector and the normal of the Plane plus the distance value of the plane.</returns>
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public static Real DotCoordinate(Plane left, Vector3 right)
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{
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return left.Normal.X * right.X + left.Normal.Y * right.Y + left.Normal.Z * right.Z + left.D;
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}
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/// <summary>
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/// Calculates the dot product of the specified vector and the normal of the plane.
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/// </summary>
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/// <param name="left">The source plane.</param>
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/// <param name="right">The source vector.</param>
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/// <param name="result">When the method completes, contains the dot product of the specified vector and the normal of the plane.</param>
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public static void DotNormal(ref Plane left, ref Vector3 right, out Real result)
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{
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result = left.Normal.X * right.X + left.Normal.Y * right.Y + left.Normal.Z * right.Z;
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}
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/// <summary>
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/// Calculates the dot product of the specified vector and the normal of the plane.
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/// </summary>
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/// <param name="left">The source plane.</param>
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/// <param name="right">The source vector.</param>
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/// <returns>The dot product of the specified vector and the normal of the plane.</returns>
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public static Real DotNormal(Plane left, Vector3 right)
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{
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return left.Normal.X * right.X + left.Normal.Y * right.Y + left.Normal.Z * right.Z;
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}
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/// <summary>
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/// Changes the coefficients of the normal vector of the plane to make it of unit length.
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/// </summary>
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/// <param name="plane">The source plane.</param>
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/// <param name="result">When the method completes, contains the normalized plane.</param>
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public static void Normalize(ref Plane plane, out Plane result)
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{
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Real magnitude = 1.0f / (Real)Math.Sqrt(plane.Normal.X * plane.Normal.X + plane.Normal.Y * plane.Normal.Y + plane.Normal.Z * plane.Normal.Z);
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result.Normal.X = plane.Normal.X * magnitude;
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result.Normal.Y = plane.Normal.Y * magnitude;
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result.Normal.Z = plane.Normal.Z * magnitude;
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result.D = plane.D * magnitude;
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}
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/// <summary>
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/// Changes the coefficients of the normal vector of the plane to make it of unit length.
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/// </summary>
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/// <param name="plane">The source plane.</param>
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/// <returns>The normalized plane.</returns>
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public static Plane Normalize(Plane plane)
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{
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Real magnitude = 1.0f / (Real)Math.Sqrt(plane.Normal.X * plane.Normal.X + plane.Normal.Y * plane.Normal.Y + plane.Normal.Z * plane.Normal.Z);
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return new Plane(plane.Normal * magnitude, plane.D * magnitude);
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}
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/// <summary>
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/// Transforms a normalized plane by a quaternion rotation.
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/// </summary>
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/// <param name="plane">The normalized source plane.</param>
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/// <param name="rotation">The quaternion rotation.</param>
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/// <param name="result">When the method completes, contains the transformed plane.</param>
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public static void Transform(ref Plane plane, ref Quaternion rotation, out Plane result)
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{
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Real x2 = rotation.X + rotation.X;
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Real y2 = rotation.Y + rotation.Y;
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Real z2 = rotation.Z + rotation.Z;
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Real wx = rotation.W * x2;
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Real wy = rotation.W * y2;
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Real wz = rotation.W * z2;
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Real xx = rotation.X * x2;
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Real xy = rotation.X * y2;
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Real xz = rotation.X * z2;
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Real yy = rotation.Y * y2;
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Real yz = rotation.Y * z2;
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Real zz = rotation.Z * z2;
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Real x = plane.Normal.X;
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Real y = plane.Normal.Y;
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Real z = plane.Normal.Z;
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result.Normal.X = x * (1.0f - yy - zz) + y * (xy - wz) + z * (xz + wy);
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result.Normal.Y = x * (xy + wz) + y * (1.0f - xx - zz) + z * (yz - wx);
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result.Normal.Z = x * (xz - wy) + y * (yz + wx) + z * (1.0f - xx - yy);
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result.D = plane.D;
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}
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/// <summary>
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/// Transforms a normalized plane by a quaternion rotation.
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/// </summary>
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/// <param name="plane">The normalized source plane.</param>
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/// <param name="rotation">The quaternion rotation.</param>
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/// <returns>The transformed plane.</returns>
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public static Plane Transform(Plane plane, Quaternion rotation)
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{
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Transform(ref plane, ref rotation, out var result);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Transforms a normalized plane by a matrix.
|
|
/// </summary>
|
|
/// <param name="plane">The normalized source plane.</param>
|
|
/// <param name="transformation">The transformation matrix.</param>
|
|
/// <param name="result">When the method completes, contains the transformed plane.</param>
|
|
public static void Transform(ref Plane plane, ref Matrix transformation, out Plane result)
|
|
{
|
|
Real x = plane.Normal.X;
|
|
Real y = plane.Normal.Y;
|
|
Real z = plane.Normal.Z;
|
|
Real d = plane.D;
|
|
Matrix.Invert(ref transformation, out Matrix inverse);
|
|
result.Normal.X = x * inverse.M11 + y * inverse.M12 + z * inverse.M13 + d * inverse.M14;
|
|
result.Normal.Y = x * inverse.M21 + y * inverse.M22 + z * inverse.M23 + d * inverse.M24;
|
|
result.Normal.Z = x * inverse.M31 + y * inverse.M32 + z * inverse.M33 + d * inverse.M34;
|
|
result.D = x * inverse.M41 + y * inverse.M42 + z * inverse.M43 + d * inverse.M44;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Transforms a normalized plane by a matrix.
|
|
/// </summary>
|
|
/// <param name="plane">The normalized source plane.</param>
|
|
/// <param name="transformation">The transformation matrix.</param>
|
|
/// <returns>When the method completes, contains the transformed plane.</returns>
|
|
public static Plane Transform(Plane plane, Matrix transformation)
|
|
{
|
|
Transform(ref plane, ref transformation, out var result);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a plane by the given value.
|
|
/// </summary>
|
|
/// <param name="scale">The amount by which to scale the plane.</param>
|
|
/// <param name="plane">The plane to scale.</param>
|
|
/// <returns>The scaled plane.</returns>
|
|
public static Plane operator *(Real scale, Plane plane)
|
|
{
|
|
return new Plane(plane.Normal * scale, plane.D * scale);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Scales a plane by the given value.
|
|
/// </summary>
|
|
/// <param name="plane">The plane to scale.</param>
|
|
/// <param name="scale">The amount by which to scale the plane.</param>
|
|
/// <returns>The scaled plane.</returns>
|
|
public static Plane operator *(Plane plane, Real scale)
|
|
{
|
|
return new Plane(plane.Normal * scale, plane.D * scale);
|
|
}
|
|
|
|
/// <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 ==(Plane left, Plane 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 !=(Plane left, Plane right)
|
|
{
|
|
return !left.Equals(ref right);
|
|
}
|
|
|
|
/// <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, "A:{0} B:{1} C:{2} D:{3}", Normal.X, Normal.Y, Normal.Z, D);
|
|
}
|
|
|
|
/// <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)
|
|
{
|
|
return string.Format(CultureInfo.CurrentCulture, "A:{0} B:{1} C:{2} D:{3}", Normal.X.ToString(format, CultureInfo.CurrentCulture), Normal.Y.ToString(format, CultureInfo.CurrentCulture), Normal.Z.ToString(format, CultureInfo.CurrentCulture), D.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, "A:{0} B:{1} C:{2} D:{3}", Normal.X, Normal.Y, Normal.Z, D);
|
|
}
|
|
|
|
/// <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)
|
|
{
|
|
return string.Format(formatProvider, "A:{0} B:{1} C:{2} D:{3}", Normal.X.ToString(format, formatProvider), Normal.Y.ToString(format, formatProvider), Normal.Z.ToString(format, formatProvider), D.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 (Normal.GetHashCode() * 397) ^ D.GetHashCode();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="Vector4" /> is equal to this instance.
|
|
/// </summary>
|
|
/// <param name="value">The <see cref="Vector4" /> to compare with this instance.</param>
|
|
/// <returns><c>true</c> if the specified <see cref="Vector4" /> is equal to this instance; otherwise, <c>false</c>.</returns>
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public bool Equals(ref Plane value)
|
|
{
|
|
return Normal == value.Normal && D == value.D;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="Vector4" /> is equal to this instance.
|
|
/// </summary>
|
|
/// <param name="value">The <see cref="Vector4" /> to compare with this instance.</param>
|
|
/// <returns><c>true</c> if the specified <see cref="Vector4" /> is equal to this instance; otherwise, <c>false</c>.</returns>
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public bool Equals(Plane value)
|
|
{
|
|
return Equals(ref value);
|
|
}
|
|
|
|
/// <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 Plane))
|
|
return false;
|
|
var strongValue = (Plane)value;
|
|
return Equals(ref strongValue);
|
|
}
|
|
}
|
|
}
|