public Hashtable Import3Ds(string name, string path, bool addtoscene)
        {
            if (_scene == null)
            {
                return(null);
            }

            Hashtable         list   = null;
            warp_3ds_Importer studio = new warp_3ds_Importer();

            try
            {
                list = studio.importFromFile(name, path);

                if (addtoscene)
                {
                    foreach (DictionaryEntry myDE in list)
                    {
                        string      key = (string)myDE.Key;
                        warp_Object o   = (warp_Object)myDE.Value;

                        _scene.addObject(key, o);
                    }
                }

                _scene.rebuild();
                _models.Add(name, list);
            } catch (Exception)
            {
                return(null);
            }

            return(list);
        }
 public void addObject(String key, warp_Object obj)
 {
     obj.name = key;
     objectData.Add(key, obj);
     obj.parent         = this;
     objectsNeedRebuild = true;
 }
        public warp_FXLensFlare(String name, warp_Scene scene, bool zBufferSensitive) : base(scene)
        {
            this.zBufferSensitive = zBufferSensitive;

            flareObject = new warp_Object();
            flareObject.addVertex(new warp_Vector(1f, 1f, 1f));
            flareObject.rebuild();

            scene.addObject(name, flareObject);
        }
示例#4
0
		public warp_FXLensFlare (String name, warp_Scene scene, bool zBufferSensitive) : base (scene)
		{
			this.zBufferSensitive = zBufferSensitive;

			flareObject = new warp_Object ();
			flareObject.addVertex (new warp_Vector (1f, 1f, 1f));
			flareObject.rebuild ();

			scene.addObject (name, flareObject);
		}
        public static warp_Object BOX(float xsize, float ysize, float zsize)
        {
            float x = (float)Math.Abs(xsize / 2);
            float y = (float)Math.Abs(ysize / 2);
            float z = (float)Math.Abs(zsize / 2);

            float xx, yy, zz;

            warp_Object n = new warp_Object();

            int[] xflag = new int[6];
            int[] yflag = new int[6];
            int[] zflag = new int[6];

            xflag [0] = 10;
            yflag [0] = 3;
            zflag [0] = 0;
            xflag [1] = 10;
            yflag [1] = 15;
            zflag [1] = 3;
            xflag [2] = 15;
            yflag [2] = 3;
            zflag [2] = 10;
            xflag [3] = 10;
            yflag [3] = 0;
            zflag [3] = 12;
            xflag [4] = 0;
            yflag [4] = 3;
            zflag [4] = 5;
            xflag [5] = 5;
            yflag [5] = 3;
            zflag [5] = 15;

            for (int side = 0; side < 6; side++)
            {
                for (int i = 0; i < 4; i++)
                {
                    xx = ((xflag [side] & (1 << i)) > 0) ? x : -x;
                    yy = ((yflag [side] & (1 << i)) > 0) ? y : -y;
                    zz = ((zflag [side] & (1 << i)) > 0) ? z : -z;
                    n.addVertex(new warp_Vector(xx, yy, zz), i & 1, (i & 2) >> 1);
                }
                int t = side << 2;
                n.addTriangle(t, t + 2, t + 3);
                n.addTriangle(t, t + 3, t + 1);
            }

            return(n);
        }
示例#6
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		public static warp_Object BOX (float xsize, float ysize, float zsize)
		{
			float x = (float)Math.Abs (xsize / 2);
			float y = (float)Math.Abs (ysize / 2);
			float z = (float)Math.Abs (zsize / 2);

			float xx, yy, zz;

			warp_Object n = new warp_Object ();
			int[] xflag = new int[6];
			int[] yflag = new int[6];
			int[] zflag = new int[6];

			xflag [0] = 10;
			yflag [0] = 3;
			zflag [0] = 0;
			xflag [1] = 10;
			yflag [1] = 15;
			zflag [1] = 3;
			xflag [2] = 15;
			yflag [2] = 3;
			zflag [2] = 10;
			xflag [3] = 10;
			yflag [3] = 0;
			zflag [3] = 12;
			xflag [4] = 0;
			yflag [4] = 3;
			zflag [4] = 5;
			xflag [5] = 5;
			yflag [5] = 3;
			zflag [5] = 15;

			for (int side = 0; side < 6; side++)
			{
				for (int i = 0; i < 4; i++)
				{
					xx = ((xflag [side] & (1 << i)) > 0) ? x : -x;
					yy = ((yflag [side] & (1 << i)) > 0) ? y : -y;
					zz = ((zflag [side] & (1 << i)) > 0) ? z : -z;
					n.addVertex (new warp_Vector (xx, yy, zz), i & 1, (i & 2) >> 1);
				}
				int t = side << 2;
				n.addTriangle (t, t + 2, t + 3);
				n.addTriangle (t, t + 3, t + 1);
			}

			return n;
		}
        public static warp_Object ROTATIONOBJECT(warp_Vector[] path, int sides)
        {
            int         steps = sides + 1;
            warp_Object newObject = new warp_Object();
            double      alpha = 2 * pi / ((double)steps - 1);
            float       qx, qz;
            int         nodes = path.GetLength(0);
            warp_Vertex vertex = null;
            float       u, v;       // Texture coordinates

            for (int j = 0; j < steps; j++)
            {
                u = (float)(steps - j - 1) / (float)(steps - 1);
                for (int i = 0; i < nodes; i++)
                {
                    v  = (float)i / (float)(nodes - 1);
                    qx = (float)(path [i].x * Math.Cos(j * alpha) +
                                 path [i].z * Math.Sin(j * alpha));
                    qz = (float)(path [i].z * Math.Cos(j * alpha) -
                                 path [i].x * Math.Sin(j * alpha));
                    vertex   = new warp_Vertex(new warp_Vector(qx, path [i].y, qz));
                    vertex.u = u;
                    vertex.v = v;
                    newObject.addVertex(vertex);
                }
            }

            for (int j = 0; j < steps - 1; j++)
            {
                for (int i = 0; i < nodes - 1; i++)
                {
                    newObject.addTriangle(i + nodes * j, i + nodes * (j + 1),
                                          i + 1 + nodes * j);
                    newObject.addTriangle(i + nodes * (j + 1),
                                          i + 1 + nodes * (j + 1),
                                          i + 1 + nodes * j);
                }
            }

            for (int i = 0; i < nodes - 1; i++)
            {
                newObject.addTriangle(i + nodes * (steps - 1), i,
                                      i + 1 + nodes * (steps - 1));
                newObject.addTriangle(i, i + 1, i + 1 + nodes * (steps - 1));
            }
            return(newObject);
        }
示例#8
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        public bool SetPos(string name, float x, float y, float z)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = _scene.sceneobject(name);

            if (o == null)
            {
                return(false);
            }

            o.setPos(x, y, z);

            return(true);
        }
示例#9
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        public bool RotateSelf(string name, float x, float y, float z)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = _scene.sceneobject(name);

            if (o == null)
            {
                return(false);
            }

            o.rotateSelf(x, y, z);

            return(true);
        }
示例#10
0
        public bool RotateSelf(string name, warp_Matrix m)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = _scene.sceneobject(name);

            if (o == null)
            {
                return(false);
            }

            o.rotateSelf(m);

            return(true);
        }
示例#11
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        public bool RotateSelf(string name, warp_Quaternion quat)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = _scene.sceneobject(name);

            if (o == null)
            {
                return(false);
            }

            o.rotateSelf(quat);

            return(true);
        }
示例#12
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        public bool ScaleObject(string name, float s)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = _scene.sceneobject(name);

            if (o == null)
            {
                return(false);
            }

            o.scale(s);

            return(true);
        }
示例#13
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        public bool AddPlane(string name, float size)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = warp_ObjectFactory.SIMPLEPLANE(size, true);

            if (o == null)
            {
                return(false);
            }

            _scene.addObject(name, o);

            return(true);
        }
示例#14
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        public bool ProjectCylindric(string name)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = _scene.sceneobject(name);

            if (o == null)
            {
                return(false);
            }

            warp_TextureProjector.projectCylindric(o);

            return(true);
        }
示例#15
0
        void readNextJunk(string name, BinaryReader inStream)
        {
            readJunkHeader(inStream);

            if (currentJunkId == 0x3D3D /* mesh block */)
            {
                return;
            }

            if (currentJunkId == 0x4000 /* object block */)
            {
                currentObjectName = readString(inStream);
                return;
            }

            if (currentJunkId == 0x4100 /* triangular polygon object */)
            {
                currentObject = new warp_Object();
                _objects.Add(name + "_" + currentObjectName, currentObject);

                return;
            }

            if (currentJunkId == 0x4110 /* vertex list */)
            {
                readVertexList(inStream);
                return;
            }

            if (currentJunkId == 0x4120 /* point list */)
            {
                readPointList(inStream);
                return;
            }

            if (currentJunkId == 0x4140 /* mapping coordinates */)
            {
                readMappingCoordinates(inStream);
                return;
            }

            skipJunk(inStream);
        }
示例#16
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        public bool AddBox(string name, float x, float y, float z)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = warp_ObjectFactory.BOX(x, y, z);

            if (o == null)
            {
                return(false);
            }

            _scene.addObject(name, o);
            _scene.rebuild();

            return(true);
        }
示例#17
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        public bool AddCube(string name, float size)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = warp_ObjectFactory.CUBE(size);

            if (o == null)
            {
                return(false);
            }

            _scene.addObject(name, o);
            _scene.rebuild();

            return(true);
        }
示例#18
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        public bool AddSphere(string name, float radius, int segments)
        {
            if (_scene == null)
            {
                return(false);
            }

            warp_Object o = warp_ObjectFactory.SPHERE(radius, segments);

            if (o == null)
            {
                return(false);
            }

            _scene.addObject(name, o);
            _scene.rebuild();

            return(true);
        }
示例#19
0
		public static warp_Object SIMPLEPLANE (float size, bool doubleSided)
		{
			warp_Object newObject = new warp_Object ();

			newObject.addVertex (new warp_Vertex (new warp_Vector (-size, 0f, size), warp_Vector.UnitY, 0, 0));
			newObject.addVertex (new warp_Vertex (new warp_Vector (size, 0f, size), warp_Vector.UnitY, 4f, 0));
			newObject.addVertex (new warp_Vertex (new warp_Vector (size, 0f, -size), warp_Vector.UnitY, 4f, 4f));
			newObject.addVertex (new warp_Vertex (new warp_Vector (-size, 0f, -size), warp_Vector.UnitY, 0, 4f));

			newObject.addTriangle (0, 3, 2);
			newObject.addTriangle (0, 2, 1);

			if (doubleSided)
			{
				newObject.addTriangle (0, 2, 3);
				newObject.addTriangle (0, 1, 2);
			}

			return newObject;
		}
        public static warp_Object SIMPLEPLANE(float size, bool doubleSided)
        {
            warp_Object newObject = new warp_Object();

            newObject.addVertex(new warp_Vertex(new warp_Vector(-size, 0f, size), warp_Vector.UnitY, 0, 0));
            newObject.addVertex(new warp_Vertex(new warp_Vector(size, 0f, size), warp_Vector.UnitY, 4f, 0));
            newObject.addVertex(new warp_Vertex(new warp_Vector(size, 0f, -size), warp_Vector.UnitY, 4f, 4f));
            newObject.addVertex(new warp_Vertex(new warp_Vector(-size, 0f, -size), warp_Vector.UnitY, 0, 4f));

            newObject.addTriangle(0, 3, 2);
            newObject.addTriangle(0, 2, 1);

            if (doubleSided)
            {
                newObject.addTriangle(0, 2, 3);
                newObject.addTriangle(0, 1, 2);
            }

            return(newObject);
        }
示例#21
0
        public bool ScaleModel(string name, float scale)
        {
            if (_scene == null)
            {
                return(false);
            }

            Hashtable model = (Hashtable)_models [name];

            if (model == null)
            {
                return(false);
            }

            foreach (DictionaryEntry myDE in model)
            {
                string      key = (string)myDE.Key;
                warp_Object o   = (warp_Object)myDE.Value;

                o.scaleSelf(scale);
            }

            return(true);
        }
示例#22
0
        public bool TranslateModel(string name, float x, float y, float z)
        {
            if (_scene == null)
            {
                return(false);
            }

            Hashtable model = (Hashtable)_models [name];

            if (model == null)
            {
                return(false);
            }

            foreach (DictionaryEntry myDE in model)
            {
                string      key = (string)myDE.Key;
                warp_Object o   = (warp_Object)myDE.Value;

                o.shift(x, y, z);
            }

            return(true);
        }
示例#23
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		public void addObject (String key, warp_Object obj)
		{
			obj.name = key;
			objectData.Add (key, obj);
			obj.parent = this;
			objectsNeedRebuild = true;
		}
        void CreatePrim (WarpRenderer renderer, ISceneChildEntity prim)
        {
            try {

                if ((PCode)prim.Shape.PCode != PCode.Prim)
                    return;
                if (prim.Scale.LengthSquared () < MIN_PRIM_SIZE * MIN_PRIM_SIZE)
                    return;

                Primitive omvPrim = prim.Shape.ToOmvPrimitive (prim.OffsetPosition, prim.GetRotationOffset ());
                FacetedMesh renderMesh = null;

                // Are we dealing with a sculptie or mesh?
                if (omvPrim.Sculpt != null && omvPrim.Sculpt.SculptTexture != UUID.Zero) {
                    // Try fetching the asset
                    byte [] sculptAsset = m_scene.AssetService.GetData (omvPrim.Sculpt.SculptTexture.ToString ());
                    if (sculptAsset != null) {
                        // Is it a mesh?
                        if (omvPrim.Sculpt.Type == SculptType.Mesh) {
                            AssetMesh meshAsset = new AssetMesh (omvPrim.Sculpt.SculptTexture, sculptAsset);
                            FacetedMesh.TryDecodeFromAsset (omvPrim, meshAsset, DetailLevel.Highest, out renderMesh);
                            meshAsset = null;
                        } else // It's sculptie
                          {
                            Image sculpt = m_imgDecoder.DecodeToImage (sculptAsset);
                            if (sculpt != null) {
                                renderMesh = m_primMesher.GenerateFacetedSculptMesh (omvPrim, (Bitmap)sculpt,
                                                                                    DetailLevel.Medium);
                                sculpt.Dispose ();
                            }
                        }
                        sculptAsset = null;
                    } else {
                        // missing sculpt data... replace with something
                        renderMesh = m_primMesher.GenerateFacetedMesh (omvPrim, DetailLevel.Medium);
                    }

                } else // Prim
                  {
                    renderMesh = m_primMesher.GenerateFacetedMesh (omvPrim, DetailLevel.Medium);
                }

                if (renderMesh == null)
                    return;

                warp_Vector primPos = ConvertVector (prim.GetWorldPosition ());
                warp_Quaternion primRot = ConvertQuaternion (prim.GetRotationOffset ());

                warp_Matrix m = warp_Matrix.quaternionMatrix (primRot);

                if (prim.ParentID != 0) {
                    ISceneEntity group = m_scene.GetGroupByPrim (prim.LocalId);
                    if (group != null)
                        m.transform (warp_Matrix.quaternionMatrix (ConvertQuaternion (group.RootChild.GetRotationOffset ())));
                }

                warp_Vector primScale = ConvertVector (prim.Scale);

                string primID = prim.UUID.ToString ();

                // Create the prim faces
                for (int i = 0; i < renderMesh.Faces.Count; i++) {
                    Face renderFace = renderMesh.Faces [i];
                    string meshName = primID + "-Face-" + i;

                    warp_Object faceObj = new warp_Object (renderFace.Vertices.Count, renderFace.Indices.Count / 3);

                    foreach (Vertex v in renderFace.Vertices) {
                        warp_Vector pos = ConvertVector (v.Position);
                        warp_Vector norm = ConvertVector (v.Normal);

                        if (prim.Shape.SculptTexture == UUID.Zero)
                            norm = norm.reverse ();
                        warp_Vertex vert = new warp_Vertex (pos, norm, v.TexCoord.X, v.TexCoord.Y);

                        faceObj.addVertex (vert);
                    }

                    for (int j = 0; j < renderFace.Indices.Count;) {
                        faceObj.addTriangle (
                            renderFace.Indices [j++],
                            renderFace.Indices [j++],
                            renderFace.Indices [j++]);
                    }

                    Primitive.TextureEntryFace teFace = prim.Shape.Textures.GetFace ((uint)i);
                    string materialName;
                    Color4 faceColor = GetFaceColor (teFace);

                    if (m_texturePrims && (prim.Scale.LengthSquared () > m_texturePrimSize)) {
                        materialName = GetOrCreateMaterial (renderer, faceColor, teFace.TextureID);
                    } else {
                        materialName = GetOrCreateMaterial (renderer, faceColor);
                    }

                    faceObj.transform (m);
                    faceObj.setPos (primPos);
                    faceObj.scaleSelf (primScale.x, primScale.y, primScale.z);

                    renderer.Scene.addObject (meshName, faceObj);

                    renderer.SetObjectMaterial (meshName, materialName);

                    faceObj = null;
                }
                renderMesh.Faces.Clear ();
                renderMesh = null;
            } catch (Exception ex) {
                MainConsole.Instance.Warn ("[Warp3D]: Exception creating prim, " + ex);
            }
        }
        warp_Object CreateTerrain (WarpRenderer renderer, bool textureTerrain)
        {
            ITerrainChannel terrain = m_scene.RequestModuleInterface<ITerrainChannel> ();

            float diffX = 1.0f; //(float) m_scene.RegionInfo.RegionSizeX/(float) Constants.RegionSize;
            float diffY = 1.0f; //(float) m_scene.RegionInfo.RegionSizeY/(float) Constants.RegionSize;
            int newRsX = m_scene.RegionInfo.RegionSizeX / (int)diffX;
            int newRsY = m_scene.RegionInfo.RegionSizeY / (int)diffY;

            warp_Object obj = new warp_Object (newRsX * newRsY, ((newRsX - 1) * (newRsY - 1) * 2));

            for (float y = 0; y < m_scene.RegionInfo.RegionSizeY; y += diffY) {
                for (float x = 0; x < m_scene.RegionInfo.RegionSizeX; x += diffX) {
                    float t_height = terrain [(int)x, (int)y];
                    float waterHeight = (float)m_scene.RegionInfo.RegionSettings.WaterHeight;

                    //clamp to eliminate artifacts
                    t_height = Utils.Clamp (t_height, waterHeight - 0.5f, waterHeight + 0.5f);
                    if (t_height < 0.0f) t_height = 0.0f;

                    warp_Vector pos = ConvertVector (x / diffX, y / diffY, t_height);
                    obj.addVertex (
                        new warp_Vertex (pos,
                                        x / m_scene.RegionInfo.RegionSizeX,
                                        (m_scene.RegionInfo.RegionSizeY - y) / (m_scene.RegionInfo.RegionSizeY)));
                }
            }

            const float normal_map_reduction = 2.0f; //2.0f-2.5f is the sweet spot

            for (float y = 0; y < m_scene.RegionInfo.RegionSizeY; y += diffY) {
                for (float x = 0; x < m_scene.RegionInfo.RegionSizeX; x += diffX) {
                    float newX = x / diffX;
                    float newY = y / diffY;

                    if (newX < newRsX - 1 && newY < newRsY - 1) {
                        int v = (int)(newY * newRsX + newX);

                        // Normal
                        Vector3 v1 = new Vector3 (newX, newY, (terrain [(int)x, (int)y]) / normal_map_reduction);
                        Vector3 v2 = new Vector3 (newX + 1, newY,
                                                 (terrain [(int)x + 1, (int)y]) / normal_map_reduction);
                        Vector3 v3 = new Vector3 (newX, newY + 1,
                                                 (terrain [(int)x, (int)(y + 1)]) / normal_map_reduction);
                        warp_Vector norm = ConvertVector (SurfaceNormal (v1, v2, v3));
                        norm = norm.reverse ();
                        obj.vertex (v).n = norm;

                        // Triangle 1
                        obj.addTriangle (
                            v,
                            v + 1,
                            v + newRsX);

                        // Triangle 2
                        obj.addTriangle (
                            v + newRsX + 1,
                            v + newRsX,
                            v + 1);
                    }
                }
            }

            renderer.Scene.addObject ("Terrain", obj);
            renderer.Scene.sceneobject ("Terrain").setPos (0.0f, 0.0f, 0.0f);

            UUID [] textureIDs = new UUID [4];
            float [] startHeights = new float [4];
            float [] heightRanges = new float [4];

            RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;

            textureIDs [0] = regionInfo.TerrainTexture1;
            textureIDs [1] = regionInfo.TerrainTexture2;
            textureIDs [2] = regionInfo.TerrainTexture3;
            textureIDs [3] = regionInfo.TerrainTexture4;

            startHeights [0] = (float)regionInfo.Elevation1SW;
            startHeights [1] = (float)regionInfo.Elevation1NW;
            startHeights [2] = (float)regionInfo.Elevation1SE;
            startHeights [3] = (float)regionInfo.Elevation1NE;

            heightRanges [0] = (float)regionInfo.Elevation2SW;
            heightRanges [1] = (float)regionInfo.Elevation2NW;
            heightRanges [2] = (float)regionInfo.Elevation2SE;
            heightRanges [3] = (float)regionInfo.Elevation2NE;

            uint globalX, globalY;
            Utils.LongToUInts (m_scene.RegionInfo.RegionHandle, out globalX, out globalY);

            Bitmap image = TerrainSplat.Splat (terrain, textureIDs, startHeights, heightRanges,
                                              new Vector3d (globalX, globalY, 0.0), m_scene.AssetService, textureTerrain);
            warp_Texture texture = new warp_Texture (image);
            warp_Material material = new warp_Material (texture);
            material.setReflectivity (0); // reduces tile seams a bit thanks lkalif
            renderer.Scene.addMaterial ("TerrainColor", material);
            renderer.SetObjectMaterial ("Terrain", "TerrainColor");

            image.Dispose ();

            return obj;
        }
示例#26
0
		public static warp_Object ROTATIONOBJECT (warp_Vector[] path, int sides)
		{
			int steps = sides + 1;
			warp_Object newObject = new warp_Object ();
			double alpha = 2 * pi / ((double)steps - 1);
			float qx, qz;
			int nodes = path.GetLength (0);
			warp_Vertex vertex = null;
			float u, v; // Texture coordinates

			for (int j = 0; j < steps; j++)
			{
				u = (float)(steps - j - 1) / (float)(steps - 1);
				for (int i = 0; i < nodes; i++)
				{
					v = (float)i / (float)(nodes - 1);
					qx = (float)(path [i].x * Math.Cos (j * alpha) +
					path [i].z * Math.Sin (j * alpha));
					qz = (float)(path [i].z * Math.Cos (j * alpha) -
					path [i].x * Math.Sin (j * alpha));
					vertex = new warp_Vertex (new warp_Vector (qx, path [i].y, qz));
					vertex.u = u;
					vertex.v = v;
					newObject.addVertex (vertex);
				}
			}

			for (int j = 0; j < steps - 1; j++)
			{
				for (int i = 0; i < nodes - 1; i++)
				{
					newObject.addTriangle (i + nodes * j, i + nodes * (j + 1),
						i + 1 + nodes * j);
					newObject.addTriangle (i + nodes * (j + 1),
						i + 1 + nodes * (j + 1),
						i + 1 + nodes * j);

				}
			}

			for (int i = 0; i < nodes - 1; i++)
			{
				newObject.addTriangle (i + nodes * (steps - 1), i,
					i + 1 + nodes * (steps - 1));
				newObject.addTriangle (i, i + 1, i + 1 + nodes * (steps - 1));
			}
			return newObject;

		}
示例#27
0
		public static warp_Object TUBE (warp_Vector[] path, float r, int steps, bool closed)
		{
			warp_Vector[] circle = new warp_Vector[steps];
			float angle;
			for (int i = 0; i < steps; i++)
			{
				angle = 2 * 3.14159265f * (float)i / (float)steps;
				circle [i] = new warp_Vector (r * warp_Math.cos (angle),
					r * warp_Math.sin (angle), 0f);
			}

			warp_Object newObject = new warp_Object ();
			int segments = path.GetLength (0);
			warp_Vector forward, up, right;
			warp_Matrix frenetmatrix;
			warp_Vertex tempvertex;
			float relx, rely;
			int a, b, c, d;

			for (int i = 0; i < segments; i++)
			{
				// Calculate frenet frame matrix

				if (i != segments - 1)
				{
					forward = warp_Vector.sub (path [i + 1], path [i]);
				} else
				{
					if (!closed)
					{
						forward = warp_Vector.sub (path [i], path [i - 1]);
					} else
					{
						forward = warp_Vector.sub (path [1], path [0]);
					}
				}

				forward.normalize ();
				up = new warp_Vector (0f, 0f, 1f);
				right = warp_Vector.getNormal (forward, up);
				up = warp_Vector.getNormal (forward, right);
				frenetmatrix = new warp_Matrix (right, up, forward);
				frenetmatrix.shift (path [i].x, path [i].y, path [i].z);

				// Add nodes

				relx = (float)i / (float)(segments - 1);
				for (int k = 0; k < steps; k++)
				{
					rely = (float)k / (float)steps;
					tempvertex = new warp_Vertex (circle [k].transform (frenetmatrix));
					tempvertex.u = relx;
					tempvertex.v = rely;
					newObject.addVertex (tempvertex);
				}
			}

			for (int i = 0; i < segments - 1; i++)
			{
				for (int k = 0; k < steps - 1; k++)
				{
					a = i * steps + k;
					b = a + 1;
					c = a + steps;
					d = b + steps;
					newObject.addTriangle (a, c, b);
					newObject.addTriangle (b, c, d);
				}
				a = (i + 1) * steps - 1;
				b = a + 1 - steps;
				c = a + steps;
				d = b + steps;
				newObject.addTriangle (a, c, b);
				newObject.addTriangle (b, c, d);
			}

			return newObject;
		}
        public static warp_Object TUBE(warp_Vector[] path, float r, int steps, bool closed)
        {
            warp_Vector[] circle = new warp_Vector[steps];
            float         angle;

            for (int i = 0; i < steps; i++)
            {
                angle      = 2 * 3.14159265f * (float)i / (float)steps;
                circle [i] = new warp_Vector(r * warp_Math.cos(angle),
                                             r * warp_Math.sin(angle), 0f);
            }

            warp_Object newObject = new warp_Object();
            int         segments = path.GetLength(0);
            warp_Vector forward, up, right;
            warp_Matrix frenetmatrix;
            warp_Vertex tempvertex;
            float       relx, rely;
            int         a, b, c, d;

            for (int i = 0; i < segments; i++)
            {
                // Calculate frenet frame matrix

                if (i != segments - 1)
                {
                    forward = warp_Vector.sub(path [i + 1], path [i]);
                }
                else
                {
                    if (!closed)
                    {
                        forward = warp_Vector.sub(path [i], path [i - 1]);
                    }
                    else
                    {
                        forward = warp_Vector.sub(path [1], path [0]);
                    }
                }

                forward.normalize();
                up           = new warp_Vector(0f, 0f, 1f);
                right        = warp_Vector.getNormal(forward, up);
                up           = warp_Vector.getNormal(forward, right);
                frenetmatrix = new warp_Matrix(right, up, forward);
                frenetmatrix.shift(path [i].x, path [i].y, path [i].z);

                // Add nodes

                relx = (float)i / (float)(segments - 1);
                for (int k = 0; k < steps; k++)
                {
                    rely         = (float)k / (float)steps;
                    tempvertex   = new warp_Vertex(circle [k].transform(frenetmatrix));
                    tempvertex.u = relx;
                    tempvertex.v = rely;
                    newObject.addVertex(tempvertex);
                }
            }

            for (int i = 0; i < segments - 1; i++)
            {
                for (int k = 0; k < steps - 1; k++)
                {
                    a = i * steps + k;
                    b = a + 1;
                    c = a + steps;
                    d = b + steps;
                    newObject.addTriangle(a, c, b);
                    newObject.addTriangle(b, c, d);
                }
                a = (i + 1) * steps - 1;
                b = a + 1 - steps;
                c = a + steps;
                d = b + steps;
                newObject.addTriangle(a, c, b);
                newObject.addTriangle(b, c, d);
            }

            return(newObject);
        }
示例#29
0
		void readNextJunk(string name, BinaryReader inStream)
		{
			readJunkHeader(inStream);

			if (currentJunkId == 0x3D3D /* mesh block */)
			{
				return;
			}
	
			if (currentJunkId == 0x4000 /* object block */)
			{ 
				currentObjectName = readString(inStream);
				return;
			}

            if (currentJunkId == 0x4100 /* triangular polygon object */)
            {
                currentObject = new warp_Object();
                _objects.Add(name + "_" + currentObjectName, currentObject);

				return;
			}

			if (currentJunkId == 0x4110 /* vertex list */)
			{ 
				readVertexList(inStream);
				return;
			}

			if (currentJunkId == 0x4120 /* point list */)
			{ 
				readPointList(inStream);
				return;
			}

			if (currentJunkId == 0x4140 /* mapping coordinates */) 
			{ 
				readMappingCoordinates(inStream);
				return;
			}

			skipJunk(inStream);
		}