From 1d6b33bc2da3b312cff1d1802a73aacdf72b0385 Mon Sep 17 00:00:00 2001 From: Diva Canto Date: Sun, 30 Aug 2015 20:06:53 -0700 Subject: Major renaming of Physics dlls / folders. No functional changes, just renames. --- .../PhysicsModules/SharedBase/PhysicsVector.cs | 186 +++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 OpenSim/Region/PhysicsModules/SharedBase/PhysicsVector.cs (limited to 'OpenSim/Region/PhysicsModules/SharedBase/PhysicsVector.cs') diff --git a/OpenSim/Region/PhysicsModules/SharedBase/PhysicsVector.cs b/OpenSim/Region/PhysicsModules/SharedBase/PhysicsVector.cs new file mode 100644 index 0000000..f60a636 --- /dev/null +++ b/OpenSim/Region/PhysicsModules/SharedBase/PhysicsVector.cs @@ -0,0 +1,186 @@ +/* + * Copyright (c) Contributors, http://opensimulator.org/ + * See CONTRIBUTORS.TXT for a full list of copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the OpenSimulator Project nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +using System; + +namespace OpenSim.Region.Physics.Manager +{ + /*public class PhysicsVector + { + public float X; + public float Y; + public float Z; + + public Vector3() + { + } + + public Vector3(float x, float y, float z) + { + X = x; + Y = y; + Z = z; + } + + public Vector3(Vector3 pv) : this(pv.X, pv.Y, pv.Z) + { + } + + public void setValues(float x, float y, float z) + { + X = x; + Y = y; + Z = z; + } + + public static readonly PhysicsVector Zero = new PhysicsVector(0f, 0f, 0f); + + public override string ToString() + { + return "<" + X + "," + Y + "," + Z + ">"; + } + + /// + /// These routines are the easiest way to store XYZ values in an Vector3 without requiring 3 calls. + /// + /// + public byte[] GetBytes() + { + byte[] byteArray = new byte[12]; + + Buffer.BlockCopy(BitConverter.GetBytes(X), 0, byteArray, 0, 4); + Buffer.BlockCopy(BitConverter.GetBytes(Y), 0, byteArray, 4, 4); + Buffer.BlockCopy(BitConverter.GetBytes(Z), 0, byteArray, 8, 4); + + if (!BitConverter.IsLittleEndian) + { + Array.Reverse(byteArray, 0, 4); + Array.Reverse(byteArray, 4, 4); + Array.Reverse(byteArray, 8, 4); + } + + return byteArray; + } + + public void FromBytes(byte[] byteArray, int pos) + { + byte[] conversionBuffer = null; + if (!BitConverter.IsLittleEndian) + { + // Big endian architecture + if (conversionBuffer == null) + conversionBuffer = new byte[12]; + + Buffer.BlockCopy(byteArray, pos, conversionBuffer, 0, 12); + + Array.Reverse(conversionBuffer, 0, 4); + Array.Reverse(conversionBuffer, 4, 4); + Array.Reverse(conversionBuffer, 8, 4); + + X = BitConverter.ToSingle(conversionBuffer, 0); + Y = BitConverter.ToSingle(conversionBuffer, 4); + Z = BitConverter.ToSingle(conversionBuffer, 8); + } + else + { + // Little endian architecture + X = BitConverter.ToSingle(byteArray, pos); + Y = BitConverter.ToSingle(byteArray, pos + 4); + Z = BitConverter.ToSingle(byteArray, pos + 8); + } + } + + // Operations + public static PhysicsVector operator +(Vector3 a, Vector3 b) + { + return new PhysicsVector(a.X + b.X, a.Y + b.Y, a.Z + b.Z); + } + + public static PhysicsVector operator -(Vector3 a, Vector3 b) + { + return new PhysicsVector(a.X - b.X, a.Y - b.Y, a.Z - b.Z); + } + + public static PhysicsVector cross(Vector3 a, Vector3 b) + { + return new PhysicsVector(a.Y*b.Z - a.Z*b.Y, a.Z*b.X - a.X*b.Z, a.X*b.Y - a.Y*b.X); + } + + public float length() + { + return (float) Math.Sqrt(X*X + Y*Y + Z*Z); + } + + public static float GetDistanceTo(Vector3 a, Vector3 b) + { + float dx = a.X - b.X; + float dy = a.Y - b.Y; + float dz = a.Z - b.Z; + return (float) Math.Sqrt(dx * dx + dy * dy + dz * dz); + } + + public static PhysicsVector operator /(Vector3 v, float f) + { + return new PhysicsVector(v.X/f, v.Y/f, v.Z/f); + } + + public static PhysicsVector operator *(Vector3 v, float f) + { + return new PhysicsVector(v.X*f, v.Y*f, v.Z*f); + } + + public static PhysicsVector operator *(float f, Vector3 v) + { + return v*f; + } + + public static bool isFinite(Vector3 v) + { + if (v == null) + return false; + if (Single.IsInfinity(v.X) || Single.IsNaN(v.X)) + return false; + if (Single.IsInfinity(v.Y) || Single.IsNaN(v.Y)) + return false; + if (Single.IsInfinity(v.Z) || Single.IsNaN(v.Z)) + return false; + + return true; + } + + public virtual bool IsIdentical(Vector3 v, float tolerance) + { + PhysicsVector diff = this - v; + float d = diff.length(); + if (d <= tolerance) + return true; + + return false; + } + + }*/ +} -- cgit v1.1