C# IMesh.getVertexList方法代码示例

    // No locking here because this is done when we know physics is not simulating
    private void CreateGeomMesh()
    {
        float lod = _pbs.SculptEntry ? _scene.SculptLOD : _scene.MeshLOD;
        ulong newMeshKey = (ulong)_pbs.GetMeshKey(_size, lod);
        // m_log.DebugFormat("{0}: CreateGeomMesh: lID={1}, oldKey={2}, newKey={3}", LogHeader, _localID, _meshKey, newMeshKey);

        // if this new shape is the same as last time, don't recreate the mesh
        if (_meshKey == newMeshKey) return;

        // Since we're recreating new, get rid of any previously generated shape
        if (_meshKey != 0)
        {
            // m_log.DebugFormat("{0}: CreateGeom: deleting old mesh. lID={1}, Key={2}", LogHeader, _localID, _meshKey);
            BulletSimAPI.DestroyMesh(_scene.WorldID, _meshKey);
            _mesh = null;
            _meshKey = 0;
        }

        _meshKey = newMeshKey;
        // always pass false for physicalness as this creates some sort of bounding box which we don't need
        _mesh = _scene.mesher.CreateMesh(_avName, _pbs, _size, lod, false);

        int[] indices = _mesh.getIndexListAsInt();
        List<OMV.Vector3> vertices = _mesh.getVertexList();

        float[] verticesAsFloats = new float[vertices.Count * 3];
        int vi = 0;
        foreach (OMV.Vector3 vv in vertices)
        {
            // m_log.DebugFormat("{0}:  {1}: <{2:0.00}, {3:0.00}, {4:0.00}>", LogHeader, vi / 3, vv.X, vv.Y, vv.Z);
            verticesAsFloats[vi++] = vv.X;
            verticesAsFloats[vi++] = vv.Y;
            verticesAsFloats[vi++] = vv.Z;
        }

        // m_log.DebugFormat("{0}: CreateGeomMesh: calling CreateMesh. lid={1}, key={2}, indices={3}, vertices={4}", 
        //                   LogHeader, _localID, _meshKey, indices.Length, vertices.Count);
        BulletSimAPI.CreateMesh(_scene.WorldID, _meshKey, indices.GetLength(0), indices, 
                                                        vertices.Count, verticesAsFloats);

        _shapeType = ShapeData.PhysicsShapeType.SHAPE_MESH;
        // meshes are already scaled by the meshmerizer
        _scale = new OMV.Vector3(1f, 1f, 1f);
        return;
    }

        protected internal void CreateRigidBody(BulletXScene parent_scene, IMesh mesh, OpenMetaverse.Vector3 pos,
                                                OpenMetaverse.Vector3 size)
        {
            //For RigidBody Constructor. The next values might change
            float _linearDamping = 0.0f;
            float _angularDamping = 0.0f;
            float _friction = 1.0f;
            float _restitution = 0.0f;
            Matrix _startTransform = Matrix.Identity;
            Matrix _centerOfMassOffset = Matrix.Identity;
            //added by jed zhu
            _mesh = mesh;

            lock (BulletXScene.BulletXLock)
            {
                _startTransform.Translation = BulletXMaths.PhysicsVectorToXnaVector3(pos);
                //For now all prims are boxes
                CollisionShape _collisionShape;
                if (mesh == null)
                {
                    _collisionShape = new BoxShape(BulletXMaths.PhysicsVectorToXnaVector3(size)/2.0f);
                }
                else
                {
                    int iVertexCount = mesh.getVertexList().Count;
                    int[] indices = mesh.getIndexListAsInt();
                    Vector3[] v3Vertices = new Vector3[iVertexCount];
                    for (int i = 0; i < iVertexCount; i++)
                    {
                        OpenMetaverse.Vector3 v = mesh.getVertexList()[i];
                        if (v != null) // Note, null has special meaning. See meshing code for details
                            v3Vertices[i] = BulletXMaths.PhysicsVectorToXnaVector3(v);
                        else
                            v3Vertices[i] = Vector3.Zero;
                    }
                    TriangleIndexVertexArray triMesh = new TriangleIndexVertexArray(indices, v3Vertices);

                    _collisionShape = new TriangleMeshShape(triMesh);
                }
                DefaultMotionState _motionState = new DefaultMotionState(_startTransform, _centerOfMassOffset);
                Vector3 _localInertia = new Vector3();
                if (_physical) _collisionShape.CalculateLocalInertia(Mass, out _localInertia); //Always when mass > 0
                rigidBody =
                    new RigidBody(Mass, _motionState, _collisionShape, _localInertia, _linearDamping, _angularDamping,
                                  _friction, _restitution);
                //rigidBody.ActivationState = ActivationState.DisableDeactivation;
                //It's seems that there are a bug with rigidBody constructor and its CenterOfMassPosition
                Vector3 _vDebugTranslation;
                _vDebugTranslation = _startTransform.Translation - rigidBody.CenterOfMassPosition;
                rigidBody.Translate(_vDebugTranslation);
                //---
                parent_scene.ddWorld.AddRigidBody(rigidBody);
            }
        }