/* * 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 copyrightD * 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; using System.Runtime.InteropServices; using System.Security; using System.Text; using OpenMetaverse; namespace OpenSim.Region.Physics.BulletSPlugin { // Classes to allow some type checking for the API public struct BulletSim { public BulletSim(uint id, BSScene bss, IntPtr xx) { ID = id; scene = bss; Ptr = xx; } public uint ID; // The scene is only in here so very low level routines have a handle to print debug/error messages public BSScene scene; public IntPtr Ptr; } public struct BulletBody { public BulletBody(uint id, IntPtr xx) { ID = id; Ptr = xx; } public IntPtr Ptr; public uint ID; } public struct BulletConstraint { public BulletConstraint(IntPtr xx) { Ptr = xx; } public IntPtr Ptr; } // =============================================================================== [StructLayout(LayoutKind.Sequential)] public struct ConvexHull { Vector3 Offset; int VertexCount; Vector3[] Vertices; } [StructLayout(LayoutKind.Sequential)] public struct ShapeData { public enum PhysicsShapeType { SHAPE_UNKNOWN = 0, SHAPE_AVATAR = 1, SHAPE_BOX = 2, SHAPE_CONE = 3, SHAPE_CYLINDER = 4, SHAPE_SPHERE = 5, SHAPE_MESH = 6, SHAPE_HULL = 7 }; public uint ID; public PhysicsShapeType Type; public Vector3 Position; public Quaternion Rotation; public Vector3 Velocity; public Vector3 Scale; public float Mass; public float Buoyancy; public System.UInt64 HullKey; public System.UInt64 MeshKey; public float Friction; public float Restitution; public float Collidable; // true of things bump into this public float Static; // true if a static object. Otherwise gravity, etc. // note that bools are passed as floats since bool size changes by language and architecture public const float numericTrue = 1f; public const float numericFalse = 0f; } [StructLayout(LayoutKind.Sequential)] public struct SweepHit { public uint ID; public float Fraction; public Vector3 Normal; public Vector3 Point; } [StructLayout(LayoutKind.Sequential)] public struct RaycastHit { public uint ID; public float Fraction; public Vector3 Normal; } [StructLayout(LayoutKind.Sequential)] public struct CollisionDesc { public uint aID; public uint bID; public Vector3 point; public Vector3 normal; } [StructLayout(LayoutKind.Sequential)] public struct EntityProperties { public uint ID; public Vector3 Position; public Quaternion Rotation; public Vector3 Velocity; public Vector3 Acceleration; public Vector3 RotationalVelocity; } // Format of this structure must match the definition in the C++ code [StructLayout(LayoutKind.Sequential)] public struct ConfigurationParameters { public float defaultFriction; public float defaultDensity; public float defaultRestitution; public float collisionMargin; public float gravity; public float linearDamping; public float angularDamping; public float deactivationTime; public float linearSleepingThreshold; public float angularSleepingThreshold; public float ccdMotionThreshold; public float ccdSweptSphereRadius; public float contactProcessingThreshold; public float terrainFriction; public float terrainHitFraction; public float terrainRestitution; public float avatarFriction; public float avatarDensity; public float avatarRestitution; public float avatarCapsuleRadius; public float avatarCapsuleHeight; public float avatarContactProcessingThreshold; public float maxPersistantManifoldPoolSize; public float maxCollisionAlgorithmPoolSize; public float shouldDisableContactPoolDynamicAllocation; public float shouldForceUpdateAllAabbs; public float shouldRandomizeSolverOrder; public float shouldSplitSimulationIslands; public float shouldEnableFrictionCaching; public float numberOfSolverIterations; public float linkConstraintUseFrameOffset; public float linkConstraintEnableTransMotor; public float linkConstraintTransMotorMaxVel; public float linkConstraintTransMotorMaxForce; public float linkConstraintERP; public float linkConstraintCFM; public const float numericTrue = 1f; public const float numericFalse = 0f; } // Values used by Bullet and BulletSim to control collisions public enum CollisionFlags : uint { CF_STATIC_OBJECT = 1 << 0, CF_KINEMATIC_OBJECT = 1 << 1, CF_NO_CONTACT_RESPONSE = 1 << 2, CF_CUSTOM_MATERIAL_CALLBACK = 1 << 3, CF_CHARACTER_OBJECT = 1 << 4, CF_DISABLE_VISUALIZE_OBJECT = 1 << 5, CF_DISABLE_SPU_COLLISION_PROCESS = 1 << 6, // Following used by BulletSim to control collisions BS_SUBSCRIBE_COLLISION_EVENTS = 1 << 10, BS_VOLUME_DETECT_OBJECT = 1 << 11, BS_PHANTOM_OBJECT = 1 << 12, BS_PHYSICAL_OBJECT = 1 << 13, }; // CFM controls the 'hardness' of the constraint. 0=fixed, 0..1=violatable. Default=0 // ERP controls amount of correction per tick. Usable range=0.1..0.8. Default=0.2. public enum ConstraintParams : int { BT_CONSTRAINT_ERP = 1, // this one is not used in Bullet as of 20120730 BT_CONSTRAINT_STOP_ERP, BT_CONSTRAINT_CFM, BT_CONSTRAINT_STOP_CFM, }; public enum ConstraintParamAxis : int { AXIS_LINEAR_X = 0, AXIS_LINEAR_Y, AXIS_LINEAR_Z, AXIS_ANGULAR_X, AXIS_ANGULAR_Y, AXIS_ANGULAR_Z, AXIS_LINEAR_ALL = 20, // these last three added by BulletSim so we don't have to do zillions of calls AXIS_ANGULAR_ALL, AXIS_ALL }; // =============================================================================== static class BulletSimAPI { [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] [return: MarshalAs(UnmanagedType.LPStr)] public static extern string GetVersion(); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern uint Initialize(Vector3 maxPosition, IntPtr parms, int maxCollisions, IntPtr collisionArray, int maxUpdates, IntPtr updateArray); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void SetHeightmap(uint worldID, [MarshalAs(UnmanagedType.LPArray)] float[] heightMap); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void Shutdown(uint worldID); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool UpdateParameter(uint worldID, uint localID, [MarshalAs(UnmanagedType.LPStr)]string paramCode, float value); // =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern int PhysicsStep(uint worldID, float timeStep, int maxSubSteps, float fixedTimeStep, out int updatedEntityCount, out IntPtr updatedEntitiesPtr, out int collidersCount, out IntPtr collidersPtr); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool CreateHull(uint worldID, System.UInt64 meshKey, int hullCount, [MarshalAs(UnmanagedType.LPArray)] float[] hulls ); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool CreateMesh(uint worldID, System.UInt64 meshKey, int indexCount, [MarshalAs(UnmanagedType.LPArray)] int[] indices, int verticesCount, [MarshalAs(UnmanagedType.LPArray)] float[] vertices ); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DestroyHull(uint worldID, System.UInt64 meshKey); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DestroyMesh(uint worldID, System.UInt64 meshKey); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool CreateObject(uint worldID, ShapeData shapeData); /* Remove old functionality [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void CreateLinkset(uint worldID, int objectCount, ShapeData[] shapeDatas); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void AddConstraint(uint worldID, uint id1, uint id2, Vector3 frame1, Quaternion frame1rot, Vector3 frame2, Quaternion frame2rot, Vector3 lowLinear, Vector3 hiLinear, Vector3 lowAngular, Vector3 hiAngular); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool RemoveConstraintByID(uint worldID, uint id1); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool RemoveConstraint(uint worldID, uint id1, uint id2); */ [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Vector3 GetObjectPosition(uint WorldID, uint id); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Quaternion GetObjectOrientation(uint WorldID, uint id); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectTranslation(uint worldID, uint id, Vector3 position, Quaternion rotation); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectVelocity(uint worldID, uint id, Vector3 velocity); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectAngularVelocity(uint worldID, uint id, Vector3 angularVelocity); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectForce(uint worldID, uint id, Vector3 force); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectScaleMass(uint worldID, uint id, Vector3 scale, float mass, bool isDynamic); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectCollidable(uint worldID, uint id, bool phantom); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectDynamic(uint worldID, uint id, bool isDynamic, float mass); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectGhost(uint worldID, uint id, bool ghostly); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectProperties(uint worldID, uint id, bool isStatic, bool isSolid, bool genCollisions, float mass); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectBuoyancy(uint worldID, uint id, float buoyancy); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool HasObject(uint worldID, uint id); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DestroyObject(uint worldID, uint id); // =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern SweepHit ConvexSweepTest(uint worldID, uint id, Vector3 to, float extraMargin); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern RaycastHit RayTest(uint worldID, uint id, Vector3 from, Vector3 to); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Vector3 RecoverFromPenetration(uint worldID, uint id); // =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void DumpBulletStatistics(); // Log a debug message [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate void DebugLogCallback([MarshalAs(UnmanagedType.LPStr)]string msg); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void SetDebugLogCallback(DebugLogCallback callback); // =============================================================================== // =============================================================================== // =============================================================================== // A new version of the API that enables moving all the logic out of the C++ code and into // the C# code. This will make modifications easier for the next person. // This interface passes the actual pointers to the objects in the unmanaged // address space. All the management (calls for creation/destruction/lookup) // is done in the C# code. // The names have a "2" tacked on. This will be removed as the C# code gets rebuilt // and the old code is removed. [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr GetSimHandle2(uint worldID); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr GetBodyHandleWorldID2(uint worldID, uint id); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr GetBodyHandle2(IntPtr world, uint id); // =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr Initialize2(Vector3 maxPosition, IntPtr parms, int maxCollisions, IntPtr collisionArray, int maxUpdates, IntPtr updateArray); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool UpdateParameter2(IntPtr world, uint localID, String parm, float value); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void SetHeightmap2(IntPtr world, float[] heightmap); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void Shutdown2(IntPtr sim); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern int PhysicsStep2(IntPtr world, float timeStep, int maxSubSteps, float fixedTimeStep, out int updatedEntityCount, out IntPtr updatedEntitiesPtr, out int collidersCount, out IntPtr collidersPtr); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool PushUpdate2(IntPtr obj); // ===================================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr CreateMeshShape2(IntPtr world, int indicesCount, [MarshalAs(UnmanagedType.LPArray)] int[] indices, int verticesCount, [MarshalAs(UnmanagedType.LPArray)] float[] vertices ); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr CreateHullShape2(IntPtr world, int hullCount, [MarshalAs(UnmanagedType.LPArray)] float[] hulls); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr BuildHullShape2(IntPtr world, IntPtr meshShape); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr BuildNativeShape2(IntPtr world, float shapeType, float collisionMargin, Vector3 scale); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DeleteCollisionShape2(IntPtr world, IntPtr shape); // ===================================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr CreateGroundPlaneBody2(uint id, Vector3 center, float collisionMargin); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr CreateTerrainBody2(uint id, Vector3 minCoords, Vector3 maxCoords, float collisionMargin, [MarshalAs(UnmanagedType.LPArray)] float[] heightMap); // ===================================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr Create6DofConstraint2(IntPtr world, IntPtr obj1, IntPtr obj2, Vector3 frame1loc, Quaternion frame1rot, Vector3 frame2loc, Quaternion frame2rot, bool useLinearReferenceFrameA, bool disableCollisionsBetweenLinkedBodies); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr Create6DofConstraintToPoint2(IntPtr world, IntPtr obj1, IntPtr obj2, Vector3 joinPoint, bool useLinearReferenceFrameA, bool disableCollisionsBetweenLinkedBodies); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr CreateHingeConstraint2(IntPtr world, IntPtr obj1, IntPtr obj2, Vector3 pivotinA, Vector3 pivotinB, Vector3 axisInA, Vector3 axisInB, bool useLinearReferenceFrameA, bool disableCollisionsBetweenLinkedBodies); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void SetConstraintEnable2(IntPtr constrain, float numericTrueFalse); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void SetConstraintNumSolverIterations2(IntPtr constrain, float iterations); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetFrames2(IntPtr constrain, Vector3 frameA, Quaternion frameArot, Vector3 frameB, Quaternion frameBrot); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetLinearLimits2(IntPtr constrain, Vector3 low, Vector3 hi); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetAngularLimits2(IntPtr constrain, Vector3 low, Vector3 hi); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool UseFrameOffset2(IntPtr constrain, float enable); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool TranslationalLimitMotor2(IntPtr constrain, float enable, float targetVel, float maxMotorForce); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetBreakingImpulseThreshold2(IntPtr constrain, float threshold); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool CalculateTransforms2(IntPtr constrain); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetConstraintParam2(IntPtr constrain, ConstraintParams paramIndex, float value, ConstraintParamAxis axis); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DestroyConstraint2(IntPtr world, IntPtr constrain); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Vector3 AddObjectToWorld2(IntPtr world, IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Vector3 RemoveObjectFromWorld2(IntPtr world, IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Vector3 GetPosition2(IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Quaternion GetOrientation2(IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetTranslation2(IntPtr obj, Vector3 position, Quaternion rotation); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetVelocity2(IntPtr obj, Vector3 velocity); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetAngularVelocity2(IntPtr obj, Vector3 angularVelocity); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetObjectForce2(IntPtr obj, Vector3 force); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool AddObjectForce2(IntPtr obj, Vector3 force); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetCcdMotionThreshold2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetCcdSweepSphereRadius2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetDamping2(IntPtr obj, float lin_damping, float ang_damping); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetDeactivationTime2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetSleepingThresholds2(IntPtr obj, float lin_threshold, float ang_threshold); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetContactProcessingThreshold2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetFriction2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetRestitution2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetLinearVelocity2(IntPtr obj, Vector3 val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetInterpolation2(IntPtr obj, Vector3 lin, Vector3 ang); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern CollisionFlags GetCollisionFlags2(IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr SetCollisionFlags2(IntPtr obj, CollisionFlags flags); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr AddToCollisionFlags2(IntPtr obj, CollisionFlags flags); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr RemoveFromCollisionFlags2(IntPtr obj, CollisionFlags flags); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetMassProps2(IntPtr obj, float mass, Vector3 inertia); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool UpdateInertiaTensor2(IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetGravity2(IntPtr obj, Vector3 val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr ClearForces2(IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern IntPtr ClearAllForces2(IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool SetMargin2(IntPtr obj, float val); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool UpdateSingleAabb2(IntPtr world, IntPtr obj); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DestroyObject2(IntPtr world, uint id); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void DumpPhysicsStatistics2(IntPtr sim); } }