示例#1
0
        public bool GetGroundPosition(Vec3D position, Vec3 direction, out MapPos result, ClampFlags flags = ClampFlags.DEFAULT)
        {
            result = new MapPos();

            // Coordinate is now in world Cartesian coordinates (Roi Position)

            Vec3D origo = new Vec3D(0, 0, 0);       // Set used origo

            Intersector isect = new Intersector();

            // Check camera frustrum -----------------------------------------------------------

            if (_camera != null && _camera.IsValid())
            {
                origo = _camera.Position;

                if ((flags & ClampFlags.FRUSTRUM_CULL) != 0)
                {
                    isect.SetCamera(_camera);
                }
            }

            // Adjust intersector to use origo as center
            position = position - origo;

            isect.SetStartPosition((Vec3)position);
            isect.SetDirection(direction);

            if (isect.Intersect(_currentMap, IntersectQuery.NEAREST_POINT | IntersectQuery.NORMAL | ((flags & ClampFlags.WAIT_FOR_DATA) != 0 ? IntersectQuery.WAIT_FOR_DYNAMIC_DATA : 0), 1, true, origo))
            {
                IntersectorResult res = isect.GetResult();

                IntersectorData data = res.GetData(0);

                result.position = data.position + origo;

                result.normal = data.normal;

                result.clamped = true;
            }

            isect.Dispose();   // Drop handle and ignore GC

            if (_topRoi != null)
            {
                RoiNode roi = _topRoi.GetClosestRoiNode(result.position);
                result.node = roi;

                // Remove roiNode position as offset - Go to local RoiNode based coordinate system

                if (roi != null && roi.IsValid())
                {
                    result.position -= roi.Position;
                }
            }

            return(true);
        }
示例#2
0
            public IntersectorData GetData(UInt32 index)
            {
                IntersectorData data = new IntersectorData();

                if (!IntersectorResult_getData(GetNativeReference(), index, ref data))
                {
                    throw new Exception("Index out of range");
                }

                return(data);
            }
示例#3
0
 private static extern bool IntersectorResult_getData(IntPtr isectres_reference, UInt32 index, ref IntersectorData data);
示例#4
0
        public bool GetScreenGroundPosition(int x, int y, uint size_x, uint size_y, out MapPos result, ClampFlags flags = ClampFlags.DEFAULT)
        {
            result = new MapPos();

            Vec3D position;
            Vec3  direction;

            if (!GetScreenVectors(x, y, size_x, size_y, out position, out direction))
            {
                return(false);
            }

            Intersector isect = new Intersector();

            if ((flags & ClampFlags.FRUSTRUM_CULL) != 0 && _camera != null && _camera.IsValid())
            {
                isect.SetCamera(_camera);

                if (_camera.RoiPosition)
                {
                    position = position - _camera.Position;
                }
            }

            isect.SetStartPosition((Vec3)(position));
            isect.SetDirection(direction);

            if (isect.Intersect(_currentMap, IntersectQuery.NEAREST_POINT | IntersectQuery.NORMAL | ((flags & ClampFlags.WAIT_FOR_DATA) != 0 ? IntersectQuery.WAIT_FOR_DYNAMIC_DATA : 0), 1, true, _camera.Position))
            {
                IntersectorResult res = isect.GetResult();

                IntersectorData data = res.GetData(0);

                result.position = data.position;

                if (_camera.RoiPosition)
                {
                    result.position = result.position + _camera.Position;
                }

                result.normal = data.normal;

                result.clamped = true;
            }

            isect.Dispose();   // Drop handle and ignore GC

            if (_topRoi != null)
            {
                result.roiNode = _topRoi.GetClosestRoiNode(result.position);

                // Remove roiNode position as offset - Go to local RoiNode based coordinate system

                if (result.roiNode != null && result.roiNode.IsValid())
                {
                    result.position -= result.roiNode.Position;
                }
            }

            return(true);
        }
示例#5
0
        public bool UpdatePosition(ref MapPos result, GroundClampType groundClamp = GroundClampType.NONE, ClampFlags flags = ClampFlags.DEFAULT)
        {
            if (groundClamp != GroundClampType.NONE)
            {
                // Add ROINode position as offset   - Go to global 3D coordinate system as we need to clamp in global 3D

                if (result.roiNode != null && result.roiNode.IsValid())
                {
                    result.position += result.roiNode.Position;
                }

                Intersector isect = new Intersector();

                Vec3D eyePos = new Vec3D(0, 0, 0);

                if (_camera != null && _camera.IsValid())
                {
                    eyePos = _camera.Position;

                    if ((flags & ClampFlags.FRUSTRUM_CULL) != 0)
                    {
                        isect.SetCamera(_camera);
                    }
                }

                if ((flags & ClampFlags.ISECT_LOD_QUALITY) != 0)                // Lets stand in the ray to get highest quality
                {
                    eyePos = result.position;
                }

                Vec3 up = new Vec3(result.local_orientation.v13, result.local_orientation.v23, result.local_orientation.v33);

                // TODO: Fix this....
                if (up.x == 0 && up.y == 0 && up.z == 0)
                {
                    up.y = 1;
                }

                isect.SetStartPosition((Vec3)(result.position - eyePos) + 10000.0f * up);
                isect.SetDirection(-up);

                if (isect.Intersect(_currentMap, IntersectQuery.NEAREST_POINT | IntersectQuery.NORMAL | ((flags & ClampFlags.WAIT_FOR_DATA) != 0 ? IntersectQuery.WAIT_FOR_DYNAMIC_DATA : 0), 1, true, eyePos))
                {
                    IntersectorResult res = isect.GetResult();

                    IntersectorData data = res.GetData(0);

                    result.position.x = data.position.x + eyePos.x;
                    result.position.y = data.position.y + eyePos.y;
                    result.position.z = data.position.z + eyePos.z;


                    result.normal  = data.normal;
                    result.clamped = true;
                }
                else
                {
                    result.normal  = up;
                    result.clamped = false;
                }

                if (groundClamp == GroundClampType.GROUND)
                {
                    result.normal = result.local_orientation.GetCol(2);
                }


                isect.Dispose();    // Drop handle and ignore GC

                // Remove ROINode position as offset - Go to local coordinate system under ROI Node

                if (result.roiNode != null && result.roiNode.IsValid())
                {
                    result.position -= result.roiNode.Position;
                }
            }


            return(true);
        }
示例#6
0
        public bool UpdatePosition(MapPos result, GroundClampType groundClamp = GroundClampType.NONE, ClampFlags flags = ClampFlags.DEFAULT)
        {
            if (_currentMap == null)    // No map
            {
                return(false);
            }

            result.normal = result.local_orientation.GetCol(2);

            if (groundClamp != GroundClampType.NONE)
            {
                // Add ROINode position as offset   - Go to global 3D coordinate system as we need to clamp in global 3D

                RoiNode roi = result.node as RoiNode;

                if (roi != null && roi.IsValid())
                {
                    result.position += roi.Position;
                }

                // The defined down vector

                Vec3 down = new Vec3(-result.local_orientation.v13, -result.local_orientation.v23, -result.local_orientation.v33);


                // Check triangel ground

                if (result.clampResult.HasFlag(IntersectQuery.ABC_TRI))
                {
                    if (Intersect(result.position, down, result.a, result.b, result.c, out Vec3D p))
                    {
                        result.position = p;
                        ToLocal(result);

                        return(true);
                    }
                }

                // Check new intersector


                Intersector isect = new Intersector();

                Vec3D origo = new Vec3D(0, 0, 0);

                // Check camera frustrum -----------------------------------------------------------

                if (_camera != null && _camera.IsValid())
                {
                    origo = _camera.Position;

                    if ((flags & ClampFlags.FRUSTRUM_CULL) != 0)
                    {
                        isect.SetCamera(_camera);
                    }
                }

                if ((flags & ClampFlags.ISECT_LOD_QUALITY) != 0)                // Lets stand in the ray to get highest quality
                {
                    origo = result.position;
                }


                isect.SetStartPosition((Vec3)(result.position - origo) - 10000.0f * down);  // Move backwards
                isect.SetDirection(down);

                if (isect.Intersect(_currentMap, IntersectQuery.NEAREST_POINT | IntersectQuery.ABC_TRI |
                                    (flags.HasFlag(ClampFlags.ALIGN_NORMAL_TO_SURFACE) ? IntersectQuery.NORMAL : 0) |                 //IntersectQuery.NORMAL |
                                    (flags.HasFlag(ClampFlags.WAIT_FOR_DATA) ? IntersectQuery.WAIT_FOR_DYNAMIC_DATA : 0) |
                                    (flags.HasFlag(ClampFlags.UPDATE_DATA) ? IntersectQuery.UPDATE_DYNAMIC_DATA : 0)
                                    , 1, true, origo))
                {
                    IntersectorResult res = isect.GetResult();

                    IntersectorData data = res.GetData(0);

                    result.position = data.coordinate + origo;

                    if ((data.resultMask & IntersectQuery.NORMAL) != 0)
                    {
                        result.normal = data.normal;
                    }

                    if (data.resultMask.HasFlag(IntersectQuery.ABC_TRI))
                    {
                        result.a = data.a + origo;
                        result.b = data.b + origo;
                        result.c = data.c + origo;
                    }

                    result.clampResult = data.resultMask;
                }
                else
                {
                    result.clampResult = IntersectQuery.NULL;
                }

                //if (groundClamp == GroundClampType.GROUND)
                //{
                //    result.normal = result.local_orientation.GetCol(2);
                //}


                isect.Dispose();    // Drop handle and ignore GC

                // Remove ROINode position as offset - Go to local coordinate system under ROI Node

                ToLocal(result);
            }

            result.clampFlags = flags;
            result.clampType  = groundClamp;

            return(true);
        }
示例#7
0
        /// <summary>
        /// Get a Local mappos in Global ray direction
        /// </summary>
        /// <param name="global_position"></param>
        /// <param name="direction"></param>
        /// <param name="result"></param>
        /// <param name="flags"></param>
        /// <returns></returns>
        public bool GetGroundPosition(Vec3D global_position, Vec3 direction, out MapPos result, ClampFlags flags = ClampFlags.DEFAULT)
        {
            result = new MapPos();

            // Coordinate is now in world Cartesian coordinates (Roi Position)

            Vec3D origo = new Vec3D(0, 0, 0);       // Set used origo for clamp operation

            Intersector isect = new Intersector();

            // Check camera frustrum -----------------------------------------------------------

            if (_camera != null && _camera.IsValid())
            {
                origo = _camera.Position;

                if ((flags & ClampFlags.FRUSTRUM_CULL) != 0)
                {
                    isect.SetCamera(_camera);
                }
            }

            // Adjust intersector to use origo as center
            global_position = global_position - origo;

            isect.SetStartPosition((Vec3)global_position);
            isect.SetDirection(direction);

            if (isect.Intersect(_currentMap, IntersectQuery.ABC_TRI |
                                IntersectQuery.NEAREST_POINT |
                                (flags.HasFlag(ClampFlags.ALIGN_NORMAL_TO_SURFACE) ? IntersectQuery.NORMAL : 0) |                      //IntersectQuery.NORMAL |
                                (flags.HasFlag(ClampFlags.WAIT_FOR_DATA) ? IntersectQuery.WAIT_FOR_DYNAMIC_DATA : 0),
                                1, true, origo))
            {
                IntersectorResult res = isect.GetResult();

                IntersectorData data = res.GetData(0);

                result.position = data.coordinate + origo;

                if ((data.resultMask & IntersectQuery.NORMAL) != 0)
                {
                    result.normal = data.normal;
                }

                if (data.resultMask.HasFlag(IntersectQuery.ABC_TRI))
                {
                    result.a = data.a + origo;
                    result.b = data.b + origo;
                    result.c = data.c + origo;
                }

                result.clampResult = data.resultMask;
            }
            else
            {
                result.clampResult = IntersectQuery.NULL;
            }

            isect.Dispose();   // Drop handle and ignore GC

            result.local_orientation = GetLocalOrientation(result.position);

            if (result.clampResult == IntersectQuery.NULL)
            {
                result.normal = result.local_orientation.GetCol(2);
            }

            return(ToLocal(result));
        }