/// <summary>
/// Reads a triangle from a binary STL file.
/// </summary>
/// <param name="reader">
/// The reader.
/// </param>
private void ReadTriangle(BinaryReader reader)
{
float ni = ReadFloat(reader);
float nj = ReadFloat(reader);
float nk = ReadFloat(reader);
#pragma warning disable 168
var n = new Vector3D(ni, nj, nk);
#pragma warning restore 168
float x1 = ReadFloat(reader);
float y1 = ReadFloat(reader);
float z1 = ReadFloat(reader);
var v1 = new Point3D(x1, y1, z1);
float x2 = ReadFloat(reader);
float y2 = ReadFloat(reader);
float z2 = ReadFloat(reader);
var v2 = new Point3D(x2, y2, z2);
float x3 = ReadFloat(reader);
float y3 = ReadFloat(reader);
float z3 = ReadFloat(reader);
var v3 = new Point3D(x3, y3, z3);
var attrib = Convert.ToString(ReadUInt16(reader), 2).PadLeft(16, '0').ToCharArray();
var hasColor = attrib[0].Equals('1');
if (hasColor)
{
int blue = attrib[15].Equals('1') ? 1 : 0;
blue = attrib[14].Equals('1') ? blue + 2 : blue;
blue = attrib[13].Equals('1') ? blue + 4 : blue;
blue = attrib[12].Equals('1') ? blue + 8 : blue;
blue = attrib[11].Equals('1') ? blue + 16 : blue;
int b = blue * 8;
int green = attrib[10].Equals('1') ? 1 : 0;
green = attrib[9].Equals('1') ? green + 2 : green;
green = attrib[8].Equals('1') ? green + 4 : green;
green = attrib[7].Equals('1') ? green + 8 : green;
green = attrib[6].Equals('1') ? green + 16 : green;
int g = green * 8;
int red = attrib[5].Equals('1') ? 1 : 0;
red = attrib[4].Equals('1') ? red + 2 : red;
red = attrib[3].Equals('1') ? red + 4 : red;
red = attrib[2].Equals('1') ? red + 8 : red;
red = attrib[1].Equals('1') ? red + 16 : red;
int r = red * 8;
#if !NETFX_CORE
var currentColor = Color.FromRgb(Convert.ToByte(r), Convert.ToByte(g), Convert.ToByte(b));
#else
var currentColor = new Color(r / 255f, g / 255f, b / 255f);
#endif
if (!Color.Equals(this.lastColor, currentColor))
{
this.lastColor = currentColor;
this.index++;
}
if (this.Materials.Count < this.index + 1)
{
this.Materials.Add(new PhongMaterialCore()
{
DiffuseColor = currentColor.ToColor4()
});
}
}
else
{
if (this.Materials.Count < this.index + 1)
{
this.Materials.Add(this.DefaultMaterial);
}
}
if (this.Meshes.Count < this.index + 1)
{
this.Meshes.Add(new MeshBuilder(true, true));
}
this.Meshes[this.index].AddTriangle(v1, v2, v3);
// todo: add normal
}
public PBRViewModel(IEffectsManager manager)
{
EffectsManager = manager;
this.Camera = new PerspectiveCamera {
Position = new Point3D(0, 60, 60), LookDirection = new Vector3D(0, -60, -60), UpDirection = new Vector3D(0, 1, 0)
};
var builder = new MeshBuilder();
builder.AddSphere(Vector3.Zero, 2);
SphereModel = builder.ToMesh();
var normalMap = TextureModel.Create(new System.Uri("TextureNoise1_dot3.dds", System.UriKind.RelativeOrAbsolute).ToString());
for (int i = -Row; i < Row; ++i)
{
for (int j = -Col; j < Col; ++j)
{
var m = new PBRMaterial()
{
AlbedoColor = albedoColor.ToColor4(),
RoughnessFactor = 1.0 / (2 * Row) * Math.Abs(i + Row),
MetallicFactor = 1.0 / (2 * Col) * Math.Abs(j + Col),
RenderEnvironmentMap = true,
EnableAutoTangent = true,
NormalMap = normalMap,
RenderShadowMap = true
};
materials.Add(m);
Models.Add(new MeshGeometryModel3D()
{
CullMode = SharpDX.Direct3D11.CullMode.Back,
Geometry = SphereModel,
Material = m,
IsThrowingShadow = true,
Transform = new Media3D.TranslateTransform3D(new Vector3D(i * 6, 0, j * 6))
});
}
}
builder = new MeshBuilder();
builder.AddSphere(Vector3.Zero, 8, 12, 12);
Model = builder.ToMesh();
Material = new PBRMaterial()
{
AlbedoColor = albedoColor.ToColor4(),
RenderEnvironmentMap = true,
AlbedoMap = TextureModel.Create("Engraved_Metal_COLOR.jpg"),
NormalMap = TextureModel.Create("Engraved_Metal_NORM.jpg"),
DisplacementMap = TextureModel.Create("Engraved_Metal_DISP.png"),
RoughnessMetallicMap = TextureModel.Create("Engraved_Metal_RMC.png"),
DisplacementMapScaleMask = new Vector4(0.1f, 0.1f, 0.1f, 0),
EnableAutoTangent = true, EnableTessellation = true, MaxDistanceTessellationFactor = 2, MinDistanceTessellationFactor = 4
};
ModelTransform = new Media3D.MatrixTransform3D(Matrix.Translation(0, 30, 0).ToMatrix3D());
builder = new MeshBuilder();
builder.AddBox(Vector3.Zero, 100, 0.5, 100);
var floorGeo = builder.ToMesh();
for (int i = 0; i < floorGeo.TextureCoordinates.Count; ++i)
{
floorGeo.TextureCoordinates[i] *= 5;
}
FloorModel = floorGeo;
FloorMaterial = new PBRMaterial()
{
AlbedoMap = TextureModel.Create("Wood_Planks_COLOR.jpg"),
NormalMap = TextureModel.Create("Wood_Planks_NORM.jpg"),
DisplacementMap = TextureModel.Create("Wood_Planks_DISP.png"),
RoughnessMetallicMap = TextureModel.Create("Wood_Planks_RMA.png"),
AmbientOcculsionMap = TextureModel.Create("Wood_Planks_RMA.png"),
DisplacementMapScaleMask = new Vector4(1f, 1f, 1f, 0),
RoughnessFactor = 0.8,
MetallicFactor = 0.2,
RenderShadowMap = true,
EnableAutoTangent = true,
};
FloorModelTransform = new Media3D.MatrixTransform3D(Matrix.Translation(0, -5, 0).ToMatrix3D());
}
