553 lines
24 KiB
C#
553 lines
24 KiB
C#
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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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using System.Runtime.InteropServices;
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namespace SharpDX
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{
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/// <summary>
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/// Represents an axis-aligned bounding box in three dimensional space.
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct BoundingBox : IEquatable<BoundingBox>, IFormattable
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{
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/// <summary>
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/// The minimum point of the box.
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/// </summary>
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public Vector3 Minimum;
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/// <summary>
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/// The maximum point of the box.
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/// </summary>
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public Vector3 Maximum;
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/// <summary>
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/// Initializes a new instance of the <see cref="BoundingBox"/> struct.
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/// </summary>
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/// <param name="minimum">The minimum vertex of the bounding box.</param>
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/// <param name="maximum">The maximum vertex of the bounding box.</param>
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public BoundingBox(Vector3 minimum, Vector3 maximum)
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{
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this.Minimum = minimum;
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this.Maximum = maximum;
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}
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/// <summary>
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/// Returns the width of the bounding box
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/// </summary>
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public float Width
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{
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get { return this.Maximum.X - this.Minimum.X; }
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}
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/// <summary>
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/// Returns the height of the bounding box
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/// </summary>
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public float Height
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{
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get { return this.Maximum.Y - this.Minimum.Y; }
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}
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/// <summary>
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/// Returns the height of the bounding box
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/// </summary>
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public float Depth
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{
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get { return this.Maximum.Z - this.Minimum.Z; }
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}
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/// <summary>
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/// Returns the size of the bounding box
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/// </summary>
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public Vector3 Size
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{
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get { return this.Maximum - this.Minimum; }
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}
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/// <summary>
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/// Returns the size of the bounding box
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/// </summary>
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public Vector3 Center
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{
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get { return (this.Maximum + this.Minimum) * 0.5f; }
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}
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/// <summary>
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/// Retrieves the eight corners of the bounding box.
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/// </summary>
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/// <returns>An array of points representing the eight corners of the bounding box.</returns>
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public Vector3[] GetCorners()
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{
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Vector3[] results = new Vector3[8];
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GetCorners(results);
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return results;
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}
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/// <summary>
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/// Retrieves the eight corners of the bounding box.
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/// </summary>
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/// <returns>An array of points representing the eight corners of the bounding box.</returns>
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public void GetCorners(Vector3[] corners)
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{
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corners[0] = new Vector3(Minimum.X, Maximum.Y, Maximum.Z);
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corners[1] = new Vector3(Maximum.X, Maximum.Y, Maximum.Z);
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corners[2] = new Vector3(Maximum.X, Minimum.Y, Maximum.Z);
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corners[3] = new Vector3(Minimum.X, Minimum.Y, Maximum.Z);
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corners[4] = new Vector3(Minimum.X, Maximum.Y, Minimum.Z);
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corners[5] = new Vector3(Maximum.X, Maximum.Y, Minimum.Z);
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corners[6] = new Vector3(Maximum.X, Minimum.Y, Minimum.Z);
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corners[7] = new Vector3(Minimum.X, Minimum.Y, Minimum.Z);
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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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float distance;
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return Collision.RayIntersectsBox(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="distance">When the method completes, contains the distance of the intersection,
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/// 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 float distance)
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{
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return Collision.RayIntersectsBox(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,
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/// 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 Collision.RayIntersectsBox(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 PlaneIntersectionType Intersects(ref Plane plane)
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{
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return Collision.PlaneIntersectsBox(ref plane, ref this);
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}
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/* This implementation is wrong
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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 bool Intersects(ref Vector3 vertex1, ref Vector3 vertex2, ref Vector3 vertex3)
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{
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return Collision.BoxIntersectsTriangle(ref this, ref vertex1, ref vertex2, ref vertex3);
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}
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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 bool Intersects(ref BoundingBox box)
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{
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return Collision.BoxIntersectsBox(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="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 bool Intersects(BoundingBox box)
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{
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return Intersects(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 bool Intersects(ref BoundingSphere sphere)
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{
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return Collision.BoxIntersectsSphere(ref this, ref sphere);
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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 bool Intersects(BoundingSphere sphere)
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{
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return Intersects(ref sphere);
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}
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/// <summary>
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/// Determines whether the current objects contains a point.
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/// </summary>
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/// <param name="point">The point to test.</param>
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/// <returns>The type of containment the two objects have.</returns>
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public ContainmentType Contains(ref Vector3 point)
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{
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return Collision.BoxContainsPoint(ref this, ref point);
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}
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/// <summary>
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/// Determines whether the current objects contains a point.
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/// </summary>
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/// <param name="point">The point to test.</param>
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/// <returns>The type of containment the two objects have.</returns>
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public ContainmentType Contains(Vector3 point)
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{
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return Contains(ref point);
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}
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/* This implementation is wrong
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/// <summary>
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/// Determines whether the current objects contains 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>The type of containment the two objects have.</returns>
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public ContainmentType Contains(ref Vector3 vertex1, ref Vector3 vertex2, ref Vector3 vertex3)
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{
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return Collision.BoxContainsTriangle(ref this, ref vertex1, ref vertex2, ref vertex3);
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}
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*/
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/// <summary>
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/// Determines whether the current objects contains 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>The type of containment the two objects have.</returns>
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public ContainmentType Contains(ref BoundingBox box)
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{
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return Collision.BoxContainsBox(ref this, ref box);
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}
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/// <summary>
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/// Determines whether the current objects contains 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>The type of containment the two objects have.</returns>
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public ContainmentType Contains(BoundingBox box)
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{
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return Contains(ref box);
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}
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/// <summary>
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/// Determines whether the current objects contains 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>The type of containment the two objects have.</returns>
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public ContainmentType Contains(ref BoundingSphere sphere)
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{
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return Collision.BoxContainsSphere(ref this, ref sphere);
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}
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/// <summary>
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/// Determines whether the current objects contains 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>The type of containment the two objects have.</returns>
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public ContainmentType Contains(BoundingSphere sphere)
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{
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return Contains(ref sphere);
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}
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/// <summary>
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/// Constructs a <see cref="BoundingBox"/> that fully contains the given points.
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/// </summary>
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/// <param name="points">The points that will be contained by the box.</param>
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/// <param name="result">When the method completes, contains the newly constructed bounding box.</param>
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/// <exception cref="ArgumentNullException">Thrown when <paramref name="points"/> is <c>null</c>.</exception>
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public static void FromPoints(Vector3[] points, out BoundingBox result)
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{
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if (points == null)
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throw new ArgumentNullException("points");
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Vector3 min = new Vector3(float.MaxValue);
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Vector3 max = new Vector3(float.MinValue);
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for (int i = 0; i < points.Length; ++i)
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{
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Vector3.Min(ref min, ref points[i], out min);
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Vector3.Max(ref max, ref points[i], out max);
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}
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result = new BoundingBox(min, max);
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}
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/// <summary>
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/// Constructs a <see cref="BoundingBox"/> that fully contains the given points.
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/// </summary>
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/// <param name="points">The points that will be contained by the box.</param>
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/// <returns>The newly constructed bounding box.</returns>
|
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|
|
/// <exception cref="ArgumentNullException">Thrown when <paramref name="points"/> is <c>null</c>.</exception>
|
|||
|
|
public static BoundingBox FromPoints(Vector3[] points)
|
|||
|
|
{
|
|||
|
|
if (points == null)
|
|||
|
|
throw new ArgumentNullException("points");
|
|||
|
|
|
|||
|
|
Vector3 min = new Vector3(float.MaxValue);
|
|||
|
|
Vector3 max = new Vector3(float.MinValue);
|
|||
|
|
|
|||
|
|
for (int i = 0; i < points.Length; ++i)
|
|||
|
|
{
|
|||
|
|
Vector3.Min(ref min, ref points[i], out min);
|
|||
|
|
Vector3.Max(ref max, ref points[i], out max);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return new BoundingBox(min, max);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Constructs a <see cref="BoundingBox"/> from a given sphere.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="sphere">The sphere that will designate the extents of the box.</param>
|
|||
|
|
/// <param name="result">When the method completes, contains the newly constructed bounding box.</param>
|
|||
|
|
public static void FromSphere(ref BoundingSphere sphere, out BoundingBox result)
|
|||
|
|
{
|
|||
|
|
result.Minimum = new Vector3(sphere.Center.X - sphere.Radius, sphere.Center.Y - sphere.Radius, sphere.Center.Z - sphere.Radius);
|
|||
|
|
result.Maximum = new Vector3(sphere.Center.X + sphere.Radius, sphere.Center.Y + sphere.Radius, sphere.Center.Z + sphere.Radius);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Constructs a <see cref="BoundingBox"/> from a given sphere.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="sphere">The sphere that will designate the extents of the box.</param>
|
|||
|
|
/// <returns>The newly constructed bounding box.</returns>
|
|||
|
|
public static BoundingBox FromSphere(BoundingSphere sphere)
|
|||
|
|
{
|
|||
|
|
BoundingBox box;
|
|||
|
|
box.Minimum = new Vector3(sphere.Center.X - sphere.Radius, sphere.Center.Y - sphere.Radius, sphere.Center.Z - sphere.Radius);
|
|||
|
|
box.Maximum = new Vector3(sphere.Center.X + sphere.Radius, sphere.Center.Y + sphere.Radius, sphere.Center.Z + sphere.Radius);
|
|||
|
|
return box;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Constructs a <see cref="BoundingBox"/> that is as large as the total combined area of the two specified boxes.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="value1">The first box to merge.</param>
|
|||
|
|
/// <param name="value2">The second box to merge.</param>
|
|||
|
|
/// <param name="result">When the method completes, contains the newly constructed bounding box.</param>
|
|||
|
|
public static void Merge(ref BoundingBox value1, ref BoundingBox value2, out BoundingBox result)
|
|||
|
|
{
|
|||
|
|
Vector3.Min(ref value1.Minimum, ref value2.Minimum, out result.Minimum);
|
|||
|
|
Vector3.Max(ref value1.Maximum, ref value2.Maximum, out result.Maximum);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Constructs a <see cref="BoundingBox"/> that is as large as the total combined area of the two specified boxes.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="value1">The first box to merge.</param>
|
|||
|
|
/// <param name="value2">The second box to merge.</param>
|
|||
|
|
/// <returns>The newly constructed bounding box.</returns>
|
|||
|
|
public static BoundingBox Merge(BoundingBox value1, BoundingBox value2)
|
|||
|
|
{
|
|||
|
|
BoundingBox box;
|
|||
|
|
Vector3.Min(ref value1.Minimum, ref value2.Minimum, out box.Minimum);
|
|||
|
|
Vector3.Max(ref value1.Maximum, ref value2.Maximum, out box.Maximum);
|
|||
|
|
return box;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <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)0x100)] // MethodImplOptions.AggressiveInlining
|
|||
|
|
public static bool operator ==(BoundingBox left, BoundingBox 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)0x100)] // MethodImplOptions.AggressiveInlining
|
|||
|
|
public static bool operator !=(BoundingBox left, BoundingBox 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, "Minimum:{0} Maximum:{1}", Minimum.ToString(), Maximum.ToString());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <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, "Minimum:{0} Maximum:{1}", Minimum.ToString(format, CultureInfo.CurrentCulture),
|
|||
|
|
Maximum.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, "Minimum:{0} Maximum:{1}", Minimum.ToString(), Maximum.ToString());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <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, "Minimum:{0} Maximum:{1}", Minimum.ToString(format, formatProvider),
|
|||
|
|
Maximum.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 (Minimum.GetHashCode() * 397) ^ Maximum.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)0x100)] // MethodImplOptions.AggressiveInlining
|
|||
|
|
public bool Equals(ref BoundingBox value)
|
|||
|
|
{
|
|||
|
|
return Minimum == value.Minimum && Maximum == value.Maximum;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <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)0x100)] // MethodImplOptions.AggressiveInlining
|
|||
|
|
public bool Equals(BoundingBox 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 BoundingBox))
|
|||
|
|
return false;
|
|||
|
|
|
|||
|
|
var strongValue = (BoundingBox)value;
|
|||
|
|
return Equals(ref strongValue);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|