public void Render(IXNAGame _game)
 {
     for (int i = 0; i < spheres.Count; i++)
     {
         sphereMesh.WorldMatrix = Matrix.CreateTranslation(spheres[i].Center);
         sphereMesh.Render(game);
     }
 }
Пример #2
0
        public void Draw(GameTime gameTime, Camera camera)
        {
            if (IsVisible(camera))
            {
                float distance     = (position - camera.CameraPosition).Length();
                float angularSize  = (float)Math.Tan((planetRadius + atmosRadius) / distance);
                float sizeInPixels = angularSize * GraphicsDevice.Viewport.Height / MathHelper.ToRadians(45.0f);

                if (sizeInPixels > 6.0f)
                {
                    Matrix worldMatrix = Matrix.CreateFromYawPitchRoll(rotation.X, 0, 0);
                    worldMatrix             = worldMatrix * Matrix.CreateFromYawPitchRoll(0, 0, rotation.Y);
                    worldMatrix.Translation = position;

                    Vector3 lightDir = Vector3.Forward;

                    if (atmosphereDiffuse != null)
                    {
                        // Draw the cloud layer.
                        atmosphereEffect.Begin();
                        atmosphereEffect.Techniques[0].Passes[0].Begin();

                        atmosWorldMatrix.SetValue(worldMatrix);
                        atmosViewMatrix.SetValue(camera.View);
                        atmosProjectionMatrix.SetValue(camera.Projection);
                        atmosDiffuseTexture.SetValue(atmosphereDiffuse);
                        atmosLightPosition.SetValue(lightDir);
                        atmosLightColor.SetValue(new Vector4(1, 1, 1, 1));

                        atmosphereEffect.CommitChanges();

                        GraphicsDevice.RenderState.CullMode               = CullMode.CullClockwiseFace;
                        GraphicsDevice.RenderState.AlphaBlendEnable       = true;
                        GraphicsDevice.RenderState.DestinationBlend       = Blend.InverseSourceAlpha;
                        GraphicsDevice.RenderState.SourceBlend            = Blend.SourceAlpha;
                        GraphicsDevice.RenderState.DepthBufferEnable      = false;
                        GraphicsDevice.RenderState.DepthBufferWriteEnable = false;

                        atmosphereMesh.Render(GraphicsDevice);

                        GraphicsDevice.RenderState.CullMode               = CullMode.CullCounterClockwiseFace;
                        GraphicsDevice.RenderState.AlphaBlendEnable       = false;
                        GraphicsDevice.RenderState.DepthBufferEnable      = true;
                        GraphicsDevice.RenderState.DepthBufferWriteEnable = true;

                        atmosphereEffect.Techniques[0].Passes[0].End();
                        atmosphereEffect.End();
                    }
                }
            }
        }
Пример #3
0
        public void Draw(GameTime gameTime, Camera camera)
        {
            if (IsVisible(camera))
            {
                float distance     = (position - camera.CameraPosition).Length();
                float angularSize  = (float)Math.Tan(radius / distance);
                float sizeInPixels = angularSize * GraphicsDevice.Viewport.Height / camera.FieldOfView;

                if (sizeInPixels > 6.0f)
                {
                    Matrix worldMatrix = Matrix.CreateFromYawPitchRoll(rotation.X, 0, 0);
                    worldMatrix             = worldMatrix * Matrix.CreateFromYawPitchRoll(0, 0, rotation.Y);
                    worldMatrix.Translation = position;

                    Vector3 lightDir = Vector3.Forward;

                    planetEffect.Begin();
                    planetEffect.Techniques[0].Passes[0].Begin();

                    planetWorldMatrix.SetValue(worldMatrix);
                    planetViewMatrix.SetValue(camera.View);
                    planetProjectionMatrix.SetValue(camera.Projection);
                    planetDiffuseTexture.SetValue(planetDiffuse);
                    planetBumpTexture.SetValue(planetBump);
                    planetSpecTexture.SetValue(planetSpec);
                    planetNightTexture.SetValue(planetNight);

                    planetLightPosition.SetValue(lightDir);
                    planetLightColor.SetValue(new Vector4(1, 1, 1, 1));
                    planetSpecularPow.SetValue(20.0f);
                    planetSpecularIntensity.SetValue(1.0f);
                    planetCameraPos.SetValue(camera.CameraPosition);
                    planetHazeColor.SetValue(hazeColor);

                    planetEffect.CommitChanges();

                    GraphicsDevice.RenderState.CullMode               = CullMode.CullClockwiseFace;
                    GraphicsDevice.RenderState.DepthBufferEnable      = true;
                    GraphicsDevice.RenderState.DepthBufferWriteEnable = true;

                    GraphicsDevice.RenderState.AlphaBlendEnable = false;

                    planet.Render(GraphicsDevice);

                    GraphicsDevice.RenderState.CullMode = CullMode.CullCounterClockwiseFace;

                    planetEffect.Techniques[0].Passes[0].End();
                    planetEffect.End();
                }
            }
        }
Пример #4
0
        public void Draw(GameTime gameTime, Camera camera)
        {
            // Figure out where on screen to draw halo Effect sprite
            Matrix  viewProj   = camera.View * camera.Projection;
            Vector4 projResult = Vector4.Transform(position, viewProj);

            float halfScreenY = ((float)GraphicsDevice.Viewport.Height / 2.0f);
            float halfScreenX = ((float)GraphicsDevice.Viewport.Width / 2.0f);

            Vector2 screenPos = new Vector2(((projResult.X / projResult.W) * halfScreenX) + halfScreenX, halfScreenY - ((projResult.Y / projResult.W) * halfScreenY));

            // First check of projResult.W is to determine
            // if camera is facing the sun or turned away from the sun
            // projResult.W is negative if camera is facing away
            if ((projResult.W > 0.0f) && IsVisible(screenPos))
            {
                Matrix worldMatrix = Matrix.CreateFromYawPitchRoll(rotation.X, 0, 0);
                worldMatrix = worldMatrix * Matrix.CreateFromYawPitchRoll(0, 0, rotation.Y);

                worldMatrix.Translation = position;

                // Draw Halo effect around star
                halo.Begin();
                halo.Draw(haloDiffuse, screenPos,
                          null, haloColor, 0.0f, spriteCenter, 1.0f, SpriteEffects.None, 0.0f);
                halo.End();

                // Draw Star
                starEffect.Begin();
                starEffect.Techniques[0].Passes[0].Begin();

                starWorldMatrix.SetValue(worldMatrix);
                starViewMatrix.SetValue(camera.View);
                starProjectionMatrix.SetValue(camera.Projection);
                starDiffuseTexture.SetValue(starDiffuse);
                starColorData.SetValue(starColor);

                starEffect.CommitChanges();

                GraphicsDevice.RenderState.CullMode               = CullMode.CullClockwiseFace;
                GraphicsDevice.RenderState.DepthBufferEnable      = true;
                GraphicsDevice.RenderState.DepthBufferWriteEnable = true;
                star.Render(GraphicsDevice);

                GraphicsDevice.RenderState.CullMode = CullMode.CullCounterClockwiseFace;

                starEffect.Techniques[0].Passes[0].End();
                starEffect.End();
            }
        }
Пример #5
0
        public void Draw(GameTime gameTime, Camera camera)
        {
            if (IsVisible(camera))
            {
                float distance     = (position - camera.CameraPosition).Length();
                float angularSize  = (float)Math.Tan(radius / distance);
                float sizeInPixels = angularSize * GraphicsDevice.Viewport.Height / camera.FieldOfView;

                if (sizeInPixels > 6.0f)
                {
                    Matrix worldMatrix = Matrix.CreateFromYawPitchRoll(rotation.X, 0, 0);
                    worldMatrix             = worldMatrix * Matrix.CreateFromYawPitchRoll(0, 0, rotation.Y);
                    worldMatrix.Translation = position;

                    //Vector3 lightDir = Vector3.Forward;
                    Vector3 lightDir = new Vector3(-.1f, 0, -1);

                    planetWorldMatrix.SetValue(worldMatrix);
                    planetViewMatrix.SetValue(camera.View);
                    planetProjectionMatrix.SetValue(camera.Projection);
                    planetDiffuseTexture.SetValue(planetDiffuse);
                    planetBumpTexture.SetValue(planetBump);
                    planetSpecTexture.SetValue(planetSpec);
                    planetNightTexture.SetValue(planetNight);

                    planetLightPosition.SetValue(lightDir);
                    planetLightColor.SetValue(new Vector4(.7f, .3f, 0, 1));
                    planetSpecularPow.SetValue(2.0f);
                    planetSpecularIntensity.SetValue(1f);
                    planetCameraPos.SetValue(camera.CameraPosition);
                    planetHazeColor.SetValue(hazeColor);

                    planetEffect.Techniques[0].Passes[0].Apply();

                    GraphicsDevice.RasterizerState   = RasterizerState.CullClockwise;
                    GraphicsDevice.DepthStencilState = DepthStencilState.Default;

                    BlendStateHelper.BeginApply(GraphicsDevice);
                    BlendStateHelper.AlphaBlendEnable = false;
                    BlendStateHelper.EndApply(GraphicsDevice);

                    planet.Render(GraphicsDevice);

                    GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
                }
            }
        }
        public void TestOBJToRAMMeshConverterPerObjectVisual()
        {
            var c = new OBJToRAMMeshConverter(new RAMTextureFactory());


            var importer = new ObjImporter();

            importer.AddMaterialFileStream("Town001.mtl", new FileStream(TestFiles.TownMtl, FileMode.Open));
            importer.ImportObjFile(TestFiles.TownObj);

            var meshes = c.CreateMeshesFromObjects(importer);

            var texturePool           = new TexturePool();
            var meshpartPool          = new MeshPartPool();
            var vertexDeclarationPool = new VertexDeclarationPool();

            var renderer = new SimpleMeshRenderer(texturePool, meshpartPool, vertexDeclarationPool);

            vertexDeclarationPool.SetVertexElements <TangentVertex>(TangentVertex.VertexElements);



            var spheres = new List <ClientPhysicsTestSphere>();
            var engine  = new PhysicsEngine();
            PhysicsDebugRendererXNA debugRenderer = null;

            var builder = new MeshPhysicsActorBuilder(new MeshPhysicsPool());

            TheWizards.Client.ClientPhysicsQuadTreeNode root;

            int numNodes = 20;

            root = new ClientPhysicsQuadTreeNode(
                new BoundingBox(
                    new Vector3(-numNodes * numNodes / 2f, -100, -numNodes * numNodes / 2f),
                    new Vector3(numNodes * numNodes / 2f, 100, numNodes * numNodes / 2f)));

            QuadTree.Split(root, 5);

            var physicsElementFactoryXNA = new MeshPhysicsFactoryXNA(engine, root);
            var physicsElementFactory    = physicsElementFactoryXNA.Factory;

            var physicsElements = new List <MeshStaticPhysicsElement>();

            for (int i = 0; i < 0 * 100 + 1 * meshes.Count; i++)
            {
                var mesh = meshes[i];
                var el   = renderer.AddMesh(mesh);
                el.WorldMatrix = Matrix.CreateTranslation(Vector3.Right * 0 * 2 + Vector3.UnitZ * 0 * 2);

                var pEl = physicsElementFactory.CreateStaticElement(mesh, Matrix.Identity);
                physicsElements.Add(pEl);
            }

            var game = new XNAGame();

            game.IsFixedTimeStep                    = false;
            game.DrawFps                            = true;
            game.SpectaterCamera.FarClip            = 5000;
            game.Graphics1.PreparingDeviceSettings += delegate(object sender, PreparingDeviceSettingsEventArgs e)
            {
                DisplayMode displayMode = GraphicsAdapter.DefaultAdapter.CurrentDisplayMode;
                e.GraphicsDeviceInformation.PresentationParameters.BackBufferFormat = displayMode.Format;
                e.GraphicsDeviceInformation.PresentationParameters.BackBufferWidth  = displayMode.Width;
                e.GraphicsDeviceInformation.PresentationParameters.BackBufferHeight = displayMode.Height;
                game.SpectaterCamera.AspectRatio = displayMode.Width / (float)displayMode.Height;
            };
            game.Graphics1.ToggleFullScreen();

            var sphereMesh = new SphereMesh(0.3f, 20, Color.Green);
            var visualizer = new QuadTreeVisualizerXNA();

            game.AddXNAObject(physicsElementFactoryXNA);

            game.AddXNAObject(texturePool);
            game.AddXNAObject(meshpartPool);
            game.AddXNAObject(vertexDeclarationPool);
            game.AddXNAObject(renderer);


            game.InitializeEvent += delegate
            {
                engine.Initialize();
                debugRenderer = new PhysicsDebugRendererXNA(game, engine.Scene);
                debugRenderer.Initialize(game);
                sphereMesh.Initialize(game);
            };

            bool showPhysics = true;

            game.DrawEvent += delegate
            {
                if (game.Keyboard.IsKeyPressed(Keys.P))
                {
                    showPhysics = !showPhysics;
                }
                if (showPhysics)
                {
                    debugRenderer.Render(game);
                }
                visualizer.RenderNodeGroundBoundig(game, root,
                                                   delegate(ClientPhysicsQuadTreeNode node, out Color col)
                {
                    col = Color.Green;

                    return(node.PhysicsObjects.Count == 0);
                });

                visualizer.RenderNodeGroundBoundig(game, root,
                                                   delegate(ClientPhysicsQuadTreeNode node, out Color col)
                {
                    col = Color.Orange;

                    return(node.PhysicsObjects.Count > 0);
                });

                for (int i = 0; i < physicsElements.Count; i++)
                {
                    var el = physicsElements[i];
                    //game.LineManager3D.AddBox(BoundingBox.CreateFromSphere( el.BoundingSphere), Color.Orange);
                }
                for (int i = 0; i < spheres.Count; i++)
                {
                    sphereMesh.WorldMatrix = Matrix.CreateTranslation(spheres[i].Center);
                    sphereMesh.Render(game);
                }
            };
            game.UpdateEvent += delegate
            {
                engine.Update(game.Elapsed);
                sphereMesh.Update(game);
                if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.F))
                {
                    var iSphere = new ClientPhysicsTestSphere(engine.Scene,
                                                              game.SpectaterCamera.CameraPosition + game.SpectaterCamera.CameraDirection
                                                              , 0.3f);

                    iSphere.InitDynamic();
                    iSphere.Actor.LinearVelocity = game.SpectaterCamera.CameraDirection * 10;

                    spheres.Add(iSphere);
                }



                for (int i = 0; i < spheres.Count; i++)
                {
                    spheres[i].Update(root, game);
                }
            };

            game.Run();
        }
Пример #7
0
        public void TestOBJToRAMMeshConverterPerObjectVisualCool()
        {
            var textureFactory = new RAMTextureFactory();
            var c = new OBJToRAMMeshConverter(textureFactory);


            var importer = new ObjImporter();

            importer.AddMaterialFileStream("Town001.mtl", new FileStream("../GameData/Town/OBJ03/Town001.mtl", FileMode.Open));
            importer.ImportObjFile("../GameData/Town/OBJ03/Town001.obj");

            var meshes = c.CreateMeshesFromObjects(importer);

            var texturePool           = new TexturePool();
            var meshpartPool          = new MeshPartPool();
            var vertexDeclarationPool = new VertexDeclarationPool();

            var renderer = new SimpleMeshRenderer(texturePool, meshpartPool, vertexDeclarationPool);

            vertexDeclarationPool.SetVertexElements <TangentVertex>(TangentVertex.VertexElements);



            var spheres = new List <ClientPhysicsTestSphere>();
            var engine  = new PhysicsEngine();
            PhysicsDebugRendererXNA debugRenderer = null;

            var root = CreatePhysicsQuadtree(20, 5);

            var physicsElementFactoryXNA = new MeshPhysicsFactoryXNA(engine, root);
            var physicsElementFactory    = physicsElementFactoryXNA.Factory;

            var physicsElements = new List <MeshStaticPhysicsElement>();

            for (int i = 0; i < 0 * 100 + 1 * meshes.Count; i++)
            {
                var mesh = meshes[i];
                var el   = renderer.AddMesh(mesh);
                el.WorldMatrix = Matrix.CreateTranslation(Vector3.Right * 0 * 2 + Vector3.UnitZ * 0 * 2);

                var pEl = physicsElementFactory.CreateStaticElement(mesh, Matrix.Identity);
                physicsElements.Add(pEl);
            }
            var gameMeshes = new List <OBJParserTest.TestGameMesh>();

            var game = new XNAGame();

            game.IsFixedTimeStep                    = false;
            game.DrawFps                            = true;
            game.SpectaterCamera.FarClip            = 5000;
            game.Graphics1.PreparingDeviceSettings += delegate(object sender, PreparingDeviceSettingsEventArgs e)
            {
                DisplayMode displayMode = GraphicsAdapter.DefaultAdapter.CurrentDisplayMode;
                e.GraphicsDeviceInformation.PresentationParameters.BackBufferFormat = displayMode.Format;
                e.GraphicsDeviceInformation.PresentationParameters.BackBufferWidth  = displayMode.Width;
                e.GraphicsDeviceInformation.PresentationParameters.BackBufferHeight = displayMode.Height;
                game.SpectaterCamera.AspectRatio = displayMode.Width / (float)displayMode.Height;
            };
            game.Graphics1.ToggleFullScreen();

            var barrelMesh = OBJParserTest.GetBarrelMesh(c);
            var crateMesh  = OBJParserTest.GetCrateMesh(c);

            var sphereMesh = new SphereMesh(0.3f, 20, Color.Green);
            var visualizer = new QuadTreeVisualizerXNA();

            game.AddXNAObject(physicsElementFactoryXNA);

            game.AddXNAObject(texturePool);
            game.AddXNAObject(meshpartPool);
            game.AddXNAObject(vertexDeclarationPool);
            game.AddXNAObject(renderer);


            game.InitializeEvent += delegate
            {
                engine.Initialize();
                debugRenderer = new PhysicsDebugRendererXNA(game, engine.Scene);
                debugRenderer.Initialize(game);
                sphereMesh.Initialize(game);

                for (int i = 0; i < meshes.Count; i++)
                {
                    var mesh = meshes[i];
                    var data = mesh.GetCollisionData();

                    /*if (data.TriangleMesh != null)
                     *  physicsElementFactory.MeshPhysicsPool.PreloadTriangleMesh(engine.Scene, data.TriangleMesh);*/
                }
            };

            bool showPhysics = true;

            game.DrawEvent += delegate
            {
                if (game.Keyboard.IsKeyPressed(Keys.P))
                {
                    showPhysics = !showPhysics;
                }
                if (showPhysics)
                {
                    debugRenderer.Render(game);
                }

                /*visualizer.RenderNodeGroundBoundig(game, root,
                 *  delegate(ClientPhysicsQuadTreeNode node, out Color col)
                 *  {
                 *      col = Color.Green;
                 *
                 *      return node.PhysicsObjects.Count == 0;
                 *  });
                 *
                 * visualizer.RenderNodeGroundBoundig(game, root,
                 * delegate(ClientPhysicsQuadTreeNode node, out Color col)
                 * {
                 *     col = Color.Orange;
                 *
                 *     return node.PhysicsObjects.Count > 0;
                 * });*/

                for (int i = 0; i < physicsElements.Count; i++)
                {
                    var el = physicsElements[i];
                    //game.LineManager3D.AddBox(BoundingBox.CreateFromSphere( el.BoundingSphere), Color.Orange);
                }
                for (int i = 0; i < spheres.Count; i++)
                {
                    sphereMesh.WorldMatrix = Matrix.CreateTranslation(spheres[i].Center);
                    sphereMesh.Render(game);
                }
            };
            game.UpdateEvent += delegate
            {
                engine.Update(game.Elapsed);
                sphereMesh.Update(game);
                if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.F))
                {
                    var pEl = physicsElementFactory.CreateDynamicElement(crateMesh,
                                                                         Matrix.CreateTranslation(
                                                                             game.SpectaterCamera.CameraPosition +
                                                                             game.SpectaterCamera.CameraDirection));
                    pEl.Actor.LinearVelocity = game.SpectaterCamera.CameraDirection * 30;

                    var rEl = renderer.AddMesh(crateMesh);


                    gameMeshes.Add(new OBJParserTest.TestGameMesh(rEl, pEl));
                }
                if (game.Keyboard.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.E))
                {
                    var pEl = physicsElementFactory.CreateDynamicElement(barrelMesh,
                                                                         Matrix.CreateTranslation(
                                                                             game.SpectaterCamera.CameraPosition +
                                                                             game.SpectaterCamera.CameraDirection));
                    pEl.Actor.LinearVelocity = game.SpectaterCamera.CameraDirection * 30;

                    var rEl = renderer.AddMesh(barrelMesh);


                    gameMeshes.Add(new OBJParserTest.TestGameMesh(rEl, pEl));
                }


                for (int i = 0; i < gameMeshes.Count; i++)
                {
                    var m = gameMeshes[i];
                    m.RenderElement.WorldMatrix = m.PhysicsElement.World;
                }
            };

            game.Run();
        }