Esempio n. 1
0
        public PhysicsTest()
        {
            var scene = Game.World.Scene;

            Game.Invoke(() =>
            {
                Object3dInfo point3dinfo = new Object3dInfo(new VertexInfo[] { new VertexInfo()
                                                                               {
                                                                                   Position = Vector3.One,
                                                                                   Normal   = Vector3.UnitZ,
                                                                                   UV       = Vector2.Zero
                                                                               } });
                Object3dInfo point3dinfo2 = Object3dGenerator.CreateCube(Vector3.One * 0.1f, Vector2.One).AsObject3dInfo();
                OpenTK.Graphics.OpenGL4.GL.PointSize(111);
                GenericMaterial whitemat = new GenericMaterial()
                {
                    DiffuseColor = Vector3.One
                };
                Mesh3d points = Mesh3d.Create(point3dinfo2, whitemat);
                //point3dinfo.DrawMode = OpenTK.Graphics.OpenGL4.PrimitiveType.Points;
                //whitemat.CustomShaderProgram = ShaderProgram.Compile("Points.vertex.glsl", "Points.fragment.glsl");
                points.ClearInstances();

                ComputeShader updateShader       = new ComputeShader("PhysicsUpdater.compute.glsl");
                ShaderStorageBuffer pointsBuffer = new ShaderStorageBuffer();
                var parts         = new List <Particle>();
                List <byte> bytes = new List <byte>();
                for (int i = 0; i < 1024 * 2; i++)
                {
                    var part = new Particle()
                    {
                        Position = new Vector3(rand(-20, 20), rand(0, 20), rand(-10, 10)),
                        Velocity = Vector3.Zero
                    };
                    points.AddInstance(new TransformationManager(part.Position));

                    bytes.AddRange(BitConverter.GetBytes(part.Position.X));
                    bytes.AddRange(BitConverter.GetBytes(part.Position.Y));
                    bytes.AddRange(BitConverter.GetBytes(part.Position.Z));
                    bytes.AddRange(BitConverter.GetBytes(part.Position.X));

                    bytes.AddRange(BitConverter.GetBytes(part.Velocity.X));
                    bytes.AddRange(BitConverter.GetBytes(part.Velocity.Y));
                    bytes.AddRange(BitConverter.GetBytes(part.Velocity.Z));
                    bytes.AddRange(BitConverter.GetBytes(part.Velocity.X));
                }
                pointsBuffer.MapData(bytes.ToArray());

                pointsBuffer.Use(9);
                Game.OnBeforeDraw += (z, x) =>
                {
                    updateShader.Use();
                    pointsBuffer.Use(9);
                    updateShader.SetUniform("ParticlesCount", 1024 * 2);
                    updateShader.Dispatch(2, 1, 1);

                    pointsBuffer.Use(9);
                };

                points.UpdateMatrix();
                scene.Add(points);
            });
        }
Esempio n. 2
0
        private void LoadFromString(string[] lines)
        {
            Materials = new List <GenericMaterial>();
            Meshes    = new List <Mesh3d>();
            Lights    = new List <Light>();
            Cameras   = new List <Camera>();
            var             regx            = new Regex("(.+?)[ ]+(.+)");
            var             currentMaterial = new GenericMaterial(Vector3.One);
            Light           tempLight       = null;
            GenericMaterial tempMaterial    = null;
            Mesh3d          tempMesh        = null;
            Camera          tempCamera      = null;
            Action          flush           = () =>
            {
                if (tempLight != null)
                {
                    Lights.Add(tempLight);
                    if (OnObjectFinish != null)
                    {
                        OnObjectFinish.Invoke(this, tempLight);
                    }
                }
                if (tempMaterial != null)
                {
                    Materials.Add(tempMaterial);
                    if (OnObjectFinish != null)
                    {
                        OnObjectFinish.Invoke(this, tempMaterial);
                    }
                }
                if (tempMesh != null)
                {
                    Meshes.Add(tempMesh);
                    if (OnObjectFinish != null)
                    {
                        OnObjectFinish.Invoke(this, tempMesh);
                    }
                }
                if (tempCamera != null)
                {
                    Cameras.Add(tempCamera);
                    if (OnObjectFinish != null)
                    {
                        OnObjectFinish.Invoke(this, tempCamera);
                    }
                }

                tempLight    = null;
                tempMaterial = null;
                tempMesh     = null;
                tempCamera   = null;
            };
            string       vertexbuffer = "";
            PhysicalBody physob       = null;

            foreach (var l in lines)
            {
                if (l.StartsWith("//") || l.Trim().Length == 0)
                {
                    continue;
                }
                var regout = regx.Match(l);
                if (!regout.Success)
                {
                    throw new ArgumentException("Invalid line in scene string: " + l);
                }
                string command = regout.Groups[1].Value.Trim();
                string data    = regout.Groups[2].Value.Trim();
                if (command.Length == 0 || data.Length == 0)
                {
                    throw new ArgumentException("Invalid line in scene string: " + l);
                }

                switch (command)
                {
                // Mesh3d start
                case "mesh":
                {
                    flush();
                    tempMesh = Mesh3d.Empty;
                    tempMesh.AddInstance(new Mesh3dInstance(new TransformationManager(Vector3.Zero), data));
                    //tempMesh.Name = data;
                    break;
                }

                case "usematerial":
                {
                    tempMesh.AddLodLevel(null, Materials.First((a) => a.Name == data), 0, 999999);
                    break;
                }

                case "scaleuv":
                {
                    string[] literals = data.Split(' ');
                    float    x, y;
                    if (!float.TryParse(literals[0], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out x))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out y))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMesh.GetLodLevel(0).Info3d.Manager.ScaleUV(x, y);
                    var obj = tempMesh.GetLodLevel(0).Info3d.Manager;
                    tempMesh.GetLodLevel(0).SetInfo3d(new Object3dInfo(tempMesh.GetLodLevel(0).Info3d.Manager.Vertices));
                    tempMesh.GetLodLevel(0).Info3d.Manager = obj;
                    break;
                }

                case "vbo":
                {
                    vertexbuffer = data;
                    ApplyVboIbo(tempMesh, vertexbuffer);
                    vertexbuffer = "";
                    break;
                }

                case "physics":
                {
                    var datas = data.Split(' ');
                    if (datas[0] == "convexhull")
                    {
                        if (tempMesh == null)
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        var   shape = tempMesh.GetLodLevel(0).Info3d.Manager.GetConvexHull();
                        float mass;
                        if (!float.TryParse(datas[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out mass))
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        physob = Game.World.Physics.CreateBody(mass, tempMesh.GetInstance(0), shape);
                    }
                    if (datas[0] == "boundingbox")
                    {
                        if (tempMesh == null)
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        var   shape = Physics.CreateBoundingBoxShape(tempMesh.GetLodLevel(0).Info3d.Manager);
                        float mass;
                        if (!float.TryParse(datas[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out mass))
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        physob = Game.World.Physics.CreateBody(mass, tempMesh.GetInstance(0), shape);
                    }
                    if (datas[0] == "accurate")
                    {
                        if (tempMesh == null)
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        var   shape = tempMesh.GetLodLevel(0).Info3d.Manager.GetAccurateCollisionShape();
                        float mass;
                        if (!float.TryParse(datas[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out mass))
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        physob = Game.World.Physics.CreateBody(mass, tempMesh.GetInstance(0), shape);
                    }
                    if (datas[0] == "enable")
                    {
                        if (physob == null)
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        physob.Enable();
                    }
                    break;
                }

                case "translate":
                {
                    string[] literals = data.Split(' ');
                    if (literals.Length != 3)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    float x, y, z;
                    if (!float.TryParse(literals[0], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out x))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out y))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[2], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out z))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (tempMesh != null)
                    {
                        tempMesh.GetInstance(0).Transformation.Translate(x, y, z);
                    }
                    if (tempCamera != null)
                    {
                        tempCamera.Transformation.Translate(x, y, z);
                    }
                    if (tempLight != null)
                    {
                        tempLight.Transformation.Translate(x, y, z);
                    }
                    break;
                }

                case "scale":
                {
                    if (tempMesh == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    string[] literals = data.Split(' ');
                    if (literals.Length != 3)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    float x, y, z;
                    if (!float.TryParse(literals[0], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out x))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out y))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[2], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out z))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMesh.GetInstance(0).Transformation.Scale(x, y, z);
                    break;
                }

                case "rotate":
                {
                    string[] literals = data.Split(' ');
                    if (literals.Length < 3 || literals.Length > 4)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    float x, y, z;
                    if (!float.TryParse(literals[0], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out x))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out y))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[2], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out z))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    Quaternion rot = Quaternion.Identity;
                    if (literals.Length == 3)
                    {
                        var rotx = Matrix3.CreateRotationX(MathHelper.DegreesToRadians(x));
                        var roty = Matrix3.CreateRotationY(MathHelper.DegreesToRadians(y));
                        var rotz = Matrix3.CreateRotationZ(MathHelper.DegreesToRadians(z));
                        rot = Quaternion.FromMatrix(rotx * roty * rotz);
                    }
                    if (literals.Length == 4)
                    {
                        float w;
                        if (!float.TryParse(literals[3], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out w))
                        {
                            throw new ArgumentException("Invalid line in scene string: " + l);
                        }
                        rot = new Quaternion(x, y, z, w);
                    }

                    if (tempMesh != null)
                    {
                        tempMesh.GetInstance(0).Transformation.Rotate(rot);
                    }
                    if (tempCamera != null)
                    {
                        tempCamera.Transformation.Rotate(rot);
                    }
                    if (tempLight != null)
                    {
                        tempLight.Transformation.Rotate(rot);
                    }
                    break;
                }

                // Mesh3d end Material start
                case "material":
                {
                    flush();
                    tempMaterial      = new GenericMaterial(Vector3.One);
                    tempMaterial.Name = data;
                    break;
                }

                case "type":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.Type = (GenericMaterial.MaterialType)Enum.Parse(typeof(GenericMaterial.MaterialType), data, true);
                    break;
                }

                case "invertnormalmap":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    // tempMaterial.InvertNormalMap = data == "true" ? true : false;
                    break;
                }

                case "transparency":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    //tempMaterial.SupportTransparency = data == "true" ? true : false;
                    break;
                }

                case "normalmap":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.NormalsTexture = new Texture(Media.Get(data));
                    break;
                }

                case "bumpmap":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.BumpTexture = new Texture(Media.Get(data));
                    break;
                }

                case "roughnessmap":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.RoughnessTexture = new Texture(Media.Get(data));
                    break;
                }

                case "metalnessmap":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    // tempMaterial.MetalnessMap = new Texture(Media.Get(data));
                    break;
                }

                case "roughness":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    float f;
                    if (!float.TryParse(data, System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out f))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.Roughness = f;
                    break;
                }

                case "metalness":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    float f;
                    if (!float.TryParse(data, System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out f))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    //tempMaterial.Metalness = f;
                    break;
                }

                case "color":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    string[] literals = data.Split(' ');
                    if (literals.Length != 3)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    float x, y, z;
                    if (!float.TryParse(literals[0], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out x))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[1], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out y))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    if (!float.TryParse(literals[2], System.Globalization.NumberStyles.Float, System.Globalization.CultureInfo.InvariantCulture, out z))
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.DiffuseColor = new Vector3(x, y, z);
                    break;
                }

                case "texture":
                {
                    if (tempMaterial == null)
                    {
                        throw new ArgumentException("Invalid line in scene string: " + l);
                    }
                    tempMaterial.DiffuseTexture  = new Texture(Media.Get(data));
                    tempMaterial.SpecularTexture = tempMaterial.DiffuseTexture;
                    //tempMaterial.Mode = GenericMaterial.DrawMode.TextureMultipleColor;
                    break;
                }

                // Material end
                default:
                    throw new ArgumentException("Invalid line in scene string: " + l);
                }
            }
            flush();
        }