Specializes the SceneQuery class for querying for objects along a ray.
Inheritance: SceneQuery, IRaySceneQueryListener
Exemplo n.º 1
0
		protected override void SetupContent()
		{
			SceneManager.SetSkyBox( true, "Examples/StormySkyBox", 5000 ); // add a skybox

			// setup some basic lighting for our scene
			SceneManager.AmbientLight = new ColorEx( 0.5f, 0.5f, 0.5f );
			SceneManager.CreateLight( "DynTexLight1" ).Position = new Vector3( 20, 80, 50 );

			// set initial camera position
			CameraManager.setStyle( CameraStyle.Manual );
			Camera.Position = new Vector3( 0, 0, 200 );

			TrayManager.ShowCursor();

			// create our dynamic texture with 8-bit luminance texels
			var tex = TextureManager.Instance.CreateManual( "thaw", ResourceGroupManager.DefaultResourceGroupName,
			                                                TextureType.TwoD, TEXTURE_SIZE, TEXTURE_SIZE, 0, PixelFormat.L8,
			                                                TextureUsage.DynamicWriteOnly );

			this.mTexBuf = tex.GetBuffer(); // save off the texture buffer

			// initialise the texture to have full luminance
			this.mTexBuf.Lock( BufferLocking.Discard );
			Memory.Set( this.mTexBuf.CurrentLock.Data, 0xff, this.mTexBuf.Size );
			this.mTexBuf.Unlock();

			// create a penguin and attach him to our penguin node
			var penguin = SceneManager.CreateEntity( "Penguin", "penguin.mesh" );
			this.mPenguinNode = SceneManager.RootSceneNode.CreateChildSceneNode();
			this.mPenguinNode.AttachObject( penguin );

			// get and enable the penguin idle animation
			this.mPenguinAnimState = penguin.GetAnimationState( "amuse" );
			this.mPenguinAnimState.IsEnabled = true;

			// create a snowstorm over the scene, and fast forward it a little
			var ps = ParticleSystemManager.Instance.CreateSystem( "Snow", "Examples/Snow" );
			SceneManager.RootSceneNode.AttachObject( ps );
			ps.FastForward( 30 );

			// create a frosted screen in front of the camera, using our dynamic texture to "thaw" certain areas
			var ent = SceneManager.CreateEntity( "Plane", PrefabEntity.Plane );
			ent.MaterialName = "Examples/Frost";
			var node = SceneManager.RootSceneNode.CreateChildSceneNode();
			node.Position = new Vector3( 0, 0, 50 );
			node.AttachObject( ent );

			this.mPlaneSize = ent.BoundingBox.Size.x; // remember the size of the plane

			this.mCursorQuery = SceneManager.CreateRayQuery( new Ray() ); // create a ray scene query for the cursor

			this.mTimeSinceLastFreeze = 0;
			this.mWiping = false;
		}
Exemplo n.º 2
0
		public override void CreateScene()
		{
			// Set ambient light
			scene.AmbientLight = new ColorEx( 0.25f, 0.25f, 0.25f );

			// Create a skybox
			scene.SetSkyBox( true, "Examples/CloudyNoonSkyBox", 500 );
			// put the skybox node in the default zone
			( (PCZSceneManager)scene ).SetSkyZone( null );

			// Create a light
			Light l = scene.CreateLight( "MainLight" );
			l.Position = new Vector3( 0, 0, 0 );
			l.SetAttenuation( 500, 0.5f, 1.0f, 0.0f );
			// Accept default settings: point light, white diffuse, just set position
			// attach light to a scene node so the PCZSM can handle it properly (zone-wise)
			// IMPORTANT: Lights (just like cameras) MUST be connected to a scene node!
			SceneNode lightNode = mCameraNode.CreateChildSceneNode( "light_Node" );
			lightNode.AttachObject( l );

			// Fog
			// NB it's VERY important to set this before calling setWorldGeometry
			// because the vertex program picked will be different
			ColorEx fadeColour = new ColorEx( 0.101f, 0.125f, 0.1836f );
			scene.SetFog( FogMode.Linear, fadeColour, .001f, 500, 1000 );
			window.GetViewport( 0 ).BackgroundColor = fadeColour;

			// create a terrain zone
			string terrain_cfg = "Terrain.xml";
			string zoneName = "Terrain1_Zone";
			PCZone terrainZone = createTerrainZone( zoneName, terrain_cfg );

			/*		// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain2_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move second terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(1500, 0, 0);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain3_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(0, 0, 1500);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain4_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(-1500, 0, 0);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain5_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(0, 0, -1500);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain6_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(1500, 0, 1500);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain7_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(-1500, 0, -1500);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain8_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(-1500, 0, 1500);

					// Create another terrain zone
					terrain_cfg = "terrain.cfg";
					zoneName = "Terrain9_Zone";
					terrainZone = createTerrainZone(zoneName, terrain_cfg);
					// move terrain next to first terrain
					terrainZone->getEnclosureNode()->setPosition(1500, 0, -1500);
			*/
			// set far clip plane to one terrain zone width (we have a LOT of terrain here, so we need to do far clipping!)
			camera.Far = 1500;

			// create test buildinig
			RoomObject roomObj = new RoomObject();
			buildingNode = roomObj.createTestBuilding( scene, "1" );
			buildingNode.Position = new Vector3( 500, 165, 570 );
			//Ogre::Radian r = Radian(3.1416/7.0);
			//buildingNode->rotate(Vector3::UNIT_Y, r);

			// create another test buildinig
			RoomObject roomObj2 = new RoomObject();
			buildingNode = roomObj2.createTestBuilding( scene, "2" );
			buildingNode.Position = new Vector3( 400, 165, 570 );
			//Ogre::Radian r = Radian(3.1416/7.0);
			//buildingNode->rotate(Vector3::UNIT_Y, r);

			// Position camera in the center of the building
			mCameraNode.Position = buildingNode.Position;
			// Look back along -Z
			camera.LookAt( mCameraNode.DerivedPosition + new Vector3( 0, 0, -300 ) );
			// Update bounds for camera
			//mCameraNode.->_updateBounds();

			// create the ray scene query
			raySceneQuery = scene.CreateRayQuery(
				new Ray( camera.ParentNode.Position, Vector3.NegativeUnitZ ) );
			raySceneQuery.SortByDistance = true;
		}
Exemplo n.º 3
0
		protected override void SetupContent()
		{
			//Setup default effects values.
			this.curLightingModel = ShaderSystemLightingModel.PerVertexLighting;
			this.perPixelFogEnable = false;
			this.specularEnable = false;
			this.reflectionMapEnable = false;
			this.reflectionMapSubRS = null;
			this.layerBlendSubRS = null;

			this.rayQuery = SceneManager.CreateRayQuery( new Ray() );
			this.targetObj = null;

			//Set ambient
			SceneManager.AmbientLight = new ColorEx( 0.2f, 0.2f, 0.2f );

			SceneManager.SetSkyBox( true, "Examples/SceneCubeMap2", 10000 );

			MeshManager.Instance.CreatePlane( "Myplane", ResourceGroupManager.DefaultResourceGroupName,
			                                  new Plane( Vector3.UnitY, 0 ),
			                                  1500, 1500, 25, 25, true, 1, 60, 60, Vector3.UnitZ );

			Entity planeEnt = SceneManager.CreateEntity( "plane", "Myplane" );
			planeEnt.MaterialName = "Examples/Rockwall";
			planeEnt.CastShadows = false;
			SceneManager.RootSceneNode.CreateChildSceneNode( Vector3.Zero ).AttachObject( planeEnt );

			//Load sample meshes an generate tangent vectors.
			for ( int i = 0; i < this.meshArray.Length; i++ )
			{
				string curMeshName = this.meshArray[ i ];

				Mesh mesh = MeshManager.Instance.Load( curMeshName, ResourceGroupManager.DefaultResourceGroupName,
				                                       BufferUsage.DynamicWriteOnly, BufferUsage.StaticWriteOnly );

				//Build tangent vectors, all our meshes use only 1 texture coordset
				//Note we can build into ves_tangent now (sm2+)
				short src, dst;
				if ( !mesh.SuggestTangentVectorBuildParams( out src, out dst ) )
				{
					mesh.BuildTangentVectors( src, dst );
				}
			}

			Entity entity;
			SceneNode childNode;

			//Create the main entity and mark it as the current target object
			entity = SceneManager.CreateEntity( MainEntityName, MainEntityMesh );
			this.targetEntities.Add( entity );
			childNode = SceneManager.RootSceneNode.CreateChildSceneNode();
			childNode.AttachObject( entity );
			this.targetObj = entity;
			childNode.ShowBoundingBox = true;

			//Create reflection entity that will show the exported material.
			string mainExportedMaterial = SceneManager.GetEntity( MainEntityName ).GetSubEntity( 0 ).MaterialName +
			                              "_RTSS_Export";
			var matMainEnt = (Material)MaterialManager.Instance.GetByName( mainExportedMaterial );

			entity = SceneManager.CreateEntity( "ExportedMaterialEntity", MainEntityMesh );
			entity.GetSubEntity( 0 ).Material = matMainEnt;
			childNode = SceneManager.RootSceneNode.CreateChildSceneNode();
			childNode.Position = new Vector3( 0, 200, -200 );
			childNode.AttachObject( entity );

			//Create texture layer blending demonstration entity
			this.layeredBlendingEntity = SceneManager.CreateEntity( "LayeredBlendingMaterialEntity", MainEntityMesh );
			this.layeredBlendingEntity.MaterialName = "RTSS/LayeredBlending";
			this.layeredBlendingEntity.GetSubEntity( 0 ).SetCustomParameter( 2, Vector4.Zero );
			childNode = SceneManager.RootSceneNode.CreateChildSceneNode();
			childNode.Position = new Vector3( 300, 200, -200 );
			childNode.AttachObject( this.layeredBlendingEntity );

			//Grab the render state of the material
			RenderState renderState = ShaderGenerator.Instance.GetRenderState( ShaderGenerator.DefaultSchemeName, "RTSS/LayeredBlending", 0 );

			if ( renderState != null )
			{
				var subRenderStateList = renderState.TemplateSubRenderStateList;

				for ( int i = 0; i < subRenderStateList.Count; i++ )
				{
					SubRenderState curSubRenderState = subRenderStateList[ i ];

					if ( curSubRenderState.Type == FFPTexturing.FFPType )
					{
						this.layerBlendSubRS = curSubRenderState as LayeredBlending;
						break;
					}
				}
			}
			//Create per pixel lighting demo entity
			entity = SceneManager.CreateEntity( "PerPixelEntity", "knot.mesh" );
			entity.MaterialName = "RTSS/PerPixel_SinglePass";
			childNode = SceneManager.RootSceneNode.CreateChildSceneNode();
			childNode.Position = new Vector3( 300, 100, -100 );
			childNode.AttachObject( entity );

			//Create normal map lighting demo entity
			entity = SceneManager.CreateEntity( "NormalMapEntity", "knot.mesh" );
			entity.MaterialName = "RTSS/NormalMapping_SinglePass";
			childNode = SceneManager.RootSceneNode.CreateChildSceneNode();
			childNode.Position = new Vector3( -300, 100, -100 );
			childNode.AttachObject( entity );

			//OpenGL ES 2.0 does not support texture atlases
			if ( !Root.Instance.RenderSystem.Name.Contains( "OpenGL ES 2" ) )
			{
				RenderState mainRenderState =
					ShaderGenerator.Instance.CreateOrRetrieveRenderState( ShaderGenerator.DefaultSchemeName ).Item1;
				mainRenderState.AddTemplateSubRenderState(
					ShaderGenerator.Instance.CreateSubRenderState( TextureAtlasSampler.SGXType ) );

				//Create texture atlas object and node
				ManualObject atlasObject = CreateTextureAtlasObject();
				childNode = SceneManager.RootSceneNode.CreateChildSceneNode();
				childNode.AttachObject( atlasObject );
			}

			CreateDirectionalLight();
			CreatePointLight();
			CreateSpotLight();

			RenderState schemeRenderState = ShaderGenerator.Instance.GetRenderState( ShaderGenerator.DefaultSchemeName );

			//take responsibility for updating the light count manually
			schemeRenderState.LightCountAutoUpdate = false;

			SetupUI();

			Camera.Position = new Vector3( 0, 300, 450 );

			Viewport.MaterialScheme = ShaderGenerator.DefaultSchemeName;

			//Mark system as on
			DetailsPanel.SetParamValue( 11, "On" );

			// a friendly reminder
			var names = new List<string>();
			names.Add( "Help" );
			TrayManager.CreateParamsPanel( TrayLocation.TopLeft, "Help", 100, names ).SetParamValue( 0, "H/F1" );
			UpdateSystemShaders();
		}
Exemplo n.º 4
0
        protected override void OnFrameStarted(object source, FrameEventArgs e)
        {
            frameCount++;

            int tick = Environment.TickCount;

            time += e.TimeSinceLastFrame;

            float moveTime = e.TimeSinceLastFrame;

            if (moveTime > 1)
            {
                moveTime = 1;
            }

            Axiom.SceneManagers.Multiverse.WorldManager.Instance.Time = time;

            if ((tick - lastTick) > 100)
            {
                Console.WriteLine("long frame: {0}", tick - lastTick);
                LogManager.Instance.Write("long frame: {0}", tick - lastTick);
            }

            lastTick = tick;

//			int hpg = gen.HeightPointsGenerated;
//			if ( lastHeightPointsGenerated != hpg )
//			{
//				Console.WriteLine("HeightPointsGenerated: {0}", hpg - lastHeightPointsGenerated);
//				lastHeightPointsGenerated = hpg;
//			}

            float scaleMove = 20 * oneMeter * moveTime;

            // reset acceleration zero
            camAccel = Vector3.Zero;

            // set the scaling of camera motion
            cameraScale = 100 * moveTime;

            bool retry = true;

            //System.Threading.Thread.Sleep(3000);

            //while (retry)
            //{
            //    // TODO: Move this into an event queueing mechanism that is processed every frame
            //    try
            //    {
            //        input.Capture();
            //        retry = false;
            //    }
            //    catch (Exception ex)
            //    {
            //        System.Threading.Thread.Sleep(1000);
            //    }
            //}

            // TODO: Move this into an event queueing mechanism that is processed every frame

            bool realIsActive = window.IsActive;

            try
            {
                // force a reset of axiom's internal input state so that it will call Acquire() on the
                // input device again.
                if (captureFailed)
                {
                    window.IsActive = false;
                    input.Capture();
                    window.IsActive = realIsActive;
                }
                input.Capture();
                captureFailed = false;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                captureFailed = true;
                System.Threading.Thread.Sleep(1000);
            }
            finally
            {
                window.IsActive = realIsActive;
            }

            if (input.IsKeyPressed(KeyCodes.Escape))
            {
                Root.Instance.QueueEndRendering();

                return;
            }

            if (input.IsKeyPressed(KeyCodes.A))
            {
                camAccel.x = -0.5f;
            }

            if (input.IsKeyPressed(KeyCodes.D))
            {
                camAccel.x = 0.5f;
            }

            if (input.IsKeyPressed(KeyCodes.W))
            {
                camAccel.z = -1.0f;
            }

            if (input.IsKeyPressed(KeyCodes.S))
            {
                camAccel.z = 1.0f;
            }

            if (!captureFailed)
            {
                camAccel.y += (float)(input.RelativeMouseZ * 0.1f);
            }

            if (input.IsKeyPressed(KeyCodes.Left))
            {
                camera.Yaw(cameraScale);
            }

            if (input.IsKeyPressed(KeyCodes.Right))
            {
                camera.Yaw(-cameraScale);
            }

            if (input.IsKeyPressed(KeyCodes.Up))
            {
                camera.Pitch(cameraScale);
            }

            if (input.IsKeyPressed(KeyCodes.Down))
            {
                camera.Pitch(-cameraScale);
            }

            // subtract the time since last frame to delay specific key presses
            toggleDelay -= e.TimeSinceLastFrame;

            // toggle rendering mode
            if (input.IsKeyPressed(KeyCodes.R) && toggleDelay < 0)
            {
                if (camera.SceneDetail == SceneDetailLevel.Points)
                {
                    camera.SceneDetail = SceneDetailLevel.Solid;
                }
                else if (camera.SceneDetail == SceneDetailLevel.Solid)
                {
                    camera.SceneDetail = SceneDetailLevel.Wireframe;
                }
                else
                {
                    camera.SceneDetail = SceneDetailLevel.Points;
                }

                Console.WriteLine("Rendering mode changed to '{0}'.", camera.SceneDetail);

                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F) && toggleDelay < 0)
            {
                followTerrain = !followTerrain;
                toggleDelay   = 1;
            }

            if (input.IsKeyPressed(KeyCodes.H) && toggleDelay < 0)
            {
                humanSpeed  = !humanSpeed;
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.T) && toggleDelay < 0)
            {
                // toggle the texture settings
                switch (filtering)
                {
                case TextureFiltering.Bilinear:
                    filtering = TextureFiltering.Trilinear;
                    aniso     = 1;
                    break;

                case TextureFiltering.Trilinear:
                    filtering = TextureFiltering.Anisotropic;
                    aniso     = 8;
                    break;

                case TextureFiltering.Anisotropic:
                    filtering = TextureFiltering.Bilinear;
                    aniso     = 1;
                    break;
                }

                Console.WriteLine("Texture Filtering changed to '{0}'.", filtering);

                // set the new default
                MaterialManager.Instance.SetDefaultTextureFiltering(filtering);
                MaterialManager.Instance.DefaultAnisotropy = aniso;

                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.P))
            {
                string[] temp     = Directory.GetFiles(Environment.CurrentDirectory, "screenshot*.jpg");
                string   fileName = string.Format("screenshot{0}.jpg", temp.Length + 1);

                // show briefly on the screen
                window.DebugText = string.Format("Wrote screenshot '{0}'.", fileName);

                TakeScreenshot(fileName);

                // show for 2 seconds
                debugTextDelay = 2.0f;
            }

            if (input.IsKeyPressed(KeyCodes.B))
            {
                scene.ShowBoundingBoxes = !scene.ShowBoundingBoxes;
            }

            if (input.IsKeyPressed(KeyCodes.O))
            {
                // hide all overlays, includes ones besides the debug overlay
                viewport.OverlaysEnabled = !viewport.OverlaysEnabled;
            }

            if (input.IsKeyPressed(KeyCodes.F1) && toggleDelay < 0)
            {
                Axiom.SceneManagers.Multiverse.WorldManager.Instance.DrawStitches =
                    !Axiom.SceneManagers.Multiverse.WorldManager.Instance.DrawStitches;
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F2) && toggleDelay < 0)
            {
                Axiom.SceneManagers.Multiverse.WorldManager.Instance.DrawTiles =
                    !Axiom.SceneManagers.Multiverse.WorldManager.Instance.DrawTiles;
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F3) && toggleDelay < 0)
            {
                Console.WriteLine("Camera Location: {0}, {1}, {2}", camera.Position.x.ToString("F3"),
                                  camera.Position.y.ToString("F3"), camera.Position.z.ToString("F3"));
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F4) && toggleDelay < 0)
            {
                preview = !preview;

                if (preview)
                {
                    // when in preview mode, move the camera up high and look at the ground
                    camera.MoveRelative(new Vector3(0, 1000 * oneMeter, 0));
                    camera.LookAt(new Vector3(0, 0, 0));

                    followTerrain = false;
                }
                else
                {
                    // when not in preview mode, hug the ground
                    followTerrain = true;
                }
                SetupScene();

                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F5) && toggleDelay < 0)
            {
                if (WorldManager.Instance.OceanWaveHeight >= 500)
                {
                    WorldManager.Instance.OceanWaveHeight -= 500;
                }
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F6) && toggleDelay < 0)
            {
                WorldManager.Instance.OceanWaveHeight += 500;
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F7) && toggleDelay < 0)
            {
                NewRoad();
                toggleDelay = 1;
            }


            if (input.IsKeyPressed(KeyCodes.F8) && toggleDelay < 0)
            {
                WorldManager.Instance.SeaLevel += 500;
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F9) && toggleDelay < 0)
            {
                StreamWriter  s = new StreamWriter("boundaries.xml");
                XmlTextWriter w = new XmlTextWriter(s);
                //w.Formatting = Formatting.Indented;
                //w.Indentation = 2;
                //w.IndentChar = ' ';
                mvScene.ExportBoundaries(w);
                w.Close();
                s.Close();
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F10) && toggleDelay < 0)
            {
                StreamReader  s = new StreamReader("boundaries.xml");
                XmlTextReader r = new XmlTextReader(s);
                mvScene.ImportBoundaries(r);
                r.Close();
                s.Close();
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F11) && toggleDelay < 0)
            {
                StreamWriter s = new StreamWriter("terrain.xml");
                gen.ToXML(s);
                s.Close();
                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.F12) && toggleDelay < 0)
            {
                StreamReader s = new StreamReader("terrain.xml");
                gen.FromXML(s);
                s.Close();

                SetupScene();

                toggleDelay = 1;
            }

            if (input.IsKeyPressed(KeyCodes.I))
            {
                //point camera north
                camera.Direction = Vector3.NegativeUnitZ;
            }
            if (input.IsKeyPressed(KeyCodes.K))
            {
                //point camera south
                camera.Direction = Vector3.UnitZ;
            }
            if (input.IsKeyPressed(KeyCodes.J))
            {
                //point camera west
                camera.Direction = Vector3.NegativeUnitX;
            }
            if (input.IsKeyPressed(KeyCodes.L))
            {
                //point camera east
                camera.Direction = Vector3.UnitX;
            }

            if (!captureFailed)
            {
                if (!input.IsMousePressed(MouseButtons.Left))
                {
                    float cameraYaw   = -input.RelativeMouseX * .13f;
                    float cameraPitch = -input.RelativeMouseY * .13f;

                    camera.Yaw(cameraYaw);
                    camera.Pitch(cameraPitch);
                }
                else
                {
                    cameraVector.x += input.RelativeMouseX * 0.13f;
                }
            }

            if (humanSpeed)
            {             // in game running speed is 7m/sec
                //camVelocity = camAccel * 7 * oneMeter;
                camVelocity = camAccel * 32 * oneMeter;
            }
            else
            {
                camVelocity += (camAccel * scaleMove * camSpeed);
            }

            //         Console.WriteLine("ScameMove: {0}", scaleMove.ToString("F3"));
            //         Console.WriteLine("Camera Accel: {0}, {1}, {2}", camAccel.x.ToString("F3"),
            //camAccel.y.ToString("F3"), camAccel.z.ToString("F3"));
            //         Console.WriteLine("Camera Velocity: {0}, {1}, {2}", camVelocity.x.ToString("F3"),
            //camVelocity.y.ToString("F3"), camVelocity.z.ToString("F3"));

            // move the camera based on the accumulated movement vector
            camera.MoveRelative(camVelocity * moveTime);

            // Now dampen the Velocity - only if user is not accelerating
            if (camAccel == Vector3.Zero)
            {
                float slowDown = 6 * moveTime;
                if (slowDown > 1)
                {
                    slowDown = 1;
                }
                camVelocity *= (1 - slowDown);
            }

            if (followTerrain)
            {
                // adjust new camera position to be a fixed distance above the ground
                Axiom.Core.RaySceneQuery raySceneQuery = scene.CreateRayQuery(new Ray(camera.Position, Vector3.NegativeUnitY));

                raySceneQuery.QueryMask = (ulong)Axiom.SceneManagers.Multiverse.RaySceneQueryType.Height;
                ArrayList results = raySceneQuery.Execute();

                RaySceneQueryResultEntry result = (RaySceneQueryResultEntry)results[0];

                camera.Position = new Vector3(camera.Position.x, result.worldFragment.SingleIntersection.y + (2f * oneMeter), camera.Position.z);
            }

            // update performance stats once per second
            if (statDelay < 0.0f && showDebugOverlay)
            {
                UpdateStats();
                statDelay = 1.0f;
            }
            else
            {
                statDelay -= e.TimeSinceLastFrame;
            }

            // turn off debug text when delay ends
            if (debugTextDelay < 0.0f)
            {
                debugTextDelay   = 0.0f;
                window.DebugText = "";
            }
            else if (debugTextDelay > 0.0f)
            {
                debugTextDelay -= e.TimeSinceLastFrame;
            }
        }
        protected override void CreateScene()
        {
            viewport.BackgroundColor = ColorEx.White;

            scene.AmbientLight = new ColorEx(0.5f, 0.5f, 0.5f);

            Light light = scene.CreateLight("MainLight");
            light.Position = new Vector3(20, 80, 50);
            light.Diffuse = ColorEx.Blue;

            scene.LoadWorldGeometry("landscape.xml");

            // scene.SetFog(FogMode.Exp2, ColorEx.White, .008f, 0, 250);

            // water plane setup
            Plane waterPlane = new Plane(Vector3.UnitY, 1.5f);

            MeshManager.Instance.CreatePlane(
                "WaterPlane",
                waterPlane,
                2800, 2800,
                20, 20,
                true, 1,
                10, 10,
                Vector3.UnitZ);

            Entity waterEntity  = scene.CreateEntity("Water", "WaterPlane");
            waterEntity.MaterialName = "Terrain/WaterPlane";

            waterNode = scene.RootSceneNode.CreateChildSceneNode("WaterNode");
            waterNode.AttachObject(waterEntity);
            waterNode.Translate(new Vector3(1000, 0, 1000));

            raySceneQuery = scene.CreateRayQuery( new Ray(camera.Position, Vector3.NegativeUnitY));
        }