OpenSim-Test/OpenSim/Region/PhysicsModules/SharedBase/PhysicsJoint.cs

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using System;
using System.Collections.Generic;
using OpenSim.Framework;
using OpenMetaverse;

namespace OpenSim.Region.PhysicsModules.SharedBase
{
    public enum PhysicsJointType : int
    {
        Ball = 0,
        Hinge = 1
    }

    public class PhysicsJoint
    {
        public virtual bool IsInPhysicsEngine { get { return false; } } // set internally to indicate if this joint has already been passed to the physics engine or is still pending
        public PhysicsJointType Type;
        public string RawParams;
        public List<string> BodyNames = new List<string>();
        public Vector3 Position; // global coords
        public Quaternion Rotation; // global coords
        public string ObjectNameInScene; // proxy object in scene that represents the joint position/orientation
        public string TrackedBodyName; // body name that this joint is attached to (ObjectNameInScene will follow TrackedBodyName)
        public Quaternion LocalRotation; // joint orientation relative to one of the involved bodies, the tracked body
        public int ErrorMessageCount; // total # of error messages printed for this joint since its creation. if too many, further error messages are suppressed to prevent flooding.
        public const int maxErrorMessages = 100; // no more than this # of error messages will be printed for each joint
    }
}