private MeshGeometryModel3D CreateBall(HelixToolkit.Wpf.SharpDX.Material mat)
{
MeshGeometryModel3D mgm = new MeshGeometryModel3D();
MeshBuilder mb = new MeshBuilder();
//mb.AddSphere(MapReader.P2V(p), 2);
mb.AddSphere(Vector3.Zero, 0.5);
//mb.AddArrow(Vector3.Zero, new Vector3(0, 0, 2), 0.1);
mgm.Geometry = mb.ToMeshGeometry3D();
mgm.Material = mat;
mViewModel.PlayersGeometry.Add(mgm);
mgm.Attach(mViewModel.modelView.RenderHost);
return(mgm);
}
public static MeshGeometryModel3D MakeMeshGeometryModel3DUnity(DHTriangle triangle, HelixToolkit.Wpf.SharpDX.Material mat)
{
var allIndices = new List <int>(new int[] { 0, 1, 2 });
var g3d = new HelixToolkit.Wpf.SharpDX.MeshGeometry3D();
g3d.Positions = new HelixToolkit.Wpf.SharpDX.Core.Vector3Collection();
g3d.TriangleIndices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
g3d.Normals = new HelixToolkit.Wpf.SharpDX.Core.Vector3Collection();
g3d.Indices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
g3d.Positions.Add(U2V(triangle.vertices0));
g3d.Positions.Add(U2V(triangle.vertices1));
g3d.Positions.Add(U2V(triangle.vertices2));
g3d.Normals.Add(new SharpDX.Vector3(0, 1, 0));
g3d.Normals.Add(new SharpDX.Vector3(0, 1, 0));
g3d.Normals.Add(new SharpDX.Vector3(0, 1, 0));
for (int i = 0; i < allIndices.Count; i++)
{
g3d.Indices.Add(allIndices[i]);
}
var ret = new MeshGeometryModel3D();
ret.Material = mat;
ret.Geometry = g3d;
//ret. = new System.Windows.Controls.TextBlock() { Text = caption };
return(ret);
}
public static MeshGeometryModel3D MakeMeshGeometryModel3D(List <Point3D> allPoints, HelixToolkit.Wpf.SharpDX.Material mat)
{
var allIndices = new List <int>();
for (int i = 0; i < allPoints.Count; i++)
{
allIndices.Add(i);
}
var g3d = new HelixToolkit.Wpf.SharpDX.MeshGeometry3D();
g3d.Positions = new HelixToolkit.Wpf.SharpDX.Core.Vector3Collection();
g3d.TriangleIndices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
g3d.Normals = new HelixToolkit.Wpf.SharpDX.Core.Vector3Collection();
g3d.Indices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
for (int i = 0; i < allPoints.Count; i++)
{
var p3 = allPoints[i];
SharpDX.Vector3 v3 = P2V(p3);
g3d.Positions.Add(v3);
g3d.Normals.Add(new SharpDX.Vector3(0, 1, 0));
}
for (int i = 0; i < allIndices.Count; i++)
{
g3d.Indices.Add(allIndices[i]);
}
var ret = new MeshGeometryModel3D();
ret.Material = mat;
ret.Geometry = g3d;
//ret. = new System.Windows.Controls.TextBlock() { Text = caption };
return(ret);
}
/// <summary>
/// Create a Mesh, with found props
/// </summary>
/// <param name="positions"></param>
/// <param name="textureCoordinates"></param>
/// <param name="triangleIndices"></param>
/// <param name="normals"></param>
/// <param name="tangents"></param>
/// <param name="bitangents"></param>
/// <param name="material"></param>
private void CreateMesh(Vector3Collection positions, Vector2Collection textureCoordinates, IntCollection triangleIndices, out Vector3Collection normals, out Vector3Collection tangents, out Vector3Collection bitangents, Material material)
{
ComputeNormals(positions, triangleIndices, out normals);
if (textureCoordinates == null)
{
textureCoordinates = new Vector2Collection();
foreach (var pos in positions)
{
textureCoordinates.Add(Vector2.One);
}
}
MeshBuilder.ComputeTangents(positions, normals, textureCoordinates, triangleIndices, out tangents, out bitangents);
MeshGeometry3D mesh = new MeshGeometry3D()
{
Positions = positions,
Normals = normals,
TextureCoordinates = textureCoordinates,
Indices = triangleIndices,
Tangents = tangents,
BiTangents = bitangents
};
Object3D ob3d = new Object3D();
ob3d.Geometry = mesh;
ob3d.Material = material;
ob3d.Transform = Matrix.Identity;
ob3d.Name = "Default";
this.obGroup.Add(ob3d);
}
/// <summary>
/// Reads a triangular mesh.
/// </summary>
/// <param name="reader">
/// The reader.
/// </param>
/// <param name="chunkSize">
/// The chunk size.
/// </param>
private void ReadTriangularMesh(BinaryReader reader, int chunkSize)
{
MeshBuilder builder = new MeshBuilder();
int bytesRead = 6;
Vector3Collection positions = null;
IntCollection faces = null;
Vector2Collection textureCoordinates = null;
List <FaceSet> facesets = null;
IntCollection triangleIndices = null;
Vector3Collection normals = null;
MediaMatrix3D matrix = MediaMatrix3D.Identity;
Vector3Collection tangents = null;
Vector3Collection bitangents = null;
while (bytesRead < chunkSize)
{
ChunkID id = this.ReadChunkId(reader);
int size = this.ReadChunkSize(reader);
bytesRead += size;
switch (id)
{
case ChunkID.TRI_VERTEXL:
positions = this.ReadVertexList(reader);
break;
case ChunkID.TRI_FACEL1:
faces = ReadFaceList(reader);
size -= (faces.Count / 3 * 8) + 2;
facesets = this.ReadFaceSets(reader, size - 6);
break;
case ChunkID.TRI_TEXCOORD:
textureCoordinates = ReadTexCoords(reader);
break;
case ChunkID.TRI_LOCAL:
matrix = this.ReadTransformation(reader);
break;
default:
this.ReadData(reader, size - 6);
break;
}
}
if (!matrix.IsIdentity)
{
for (int i = 0; i < positions.Count; i++)
{
positions[i] = Transform(matrix, positions[i]);
}
}
if (faces == null)
{
//no faces defined?? return...
return;
}
if (facesets == null || facesets.Count == 0)
{
triangleIndices = ConvertFaceIndices(faces, faces);
CreateMesh(positions, textureCoordinates, triangleIndices, out normals, out tangents, out bitangents, PhongMaterials.Gray);
//Add default get and setter
}
else
{
foreach (var fm in facesets)
{
triangleIndices = ConvertFaceIndices(fm.Faces, faces);
Material mat = null;
if (this.materials.ContainsKey(fm.Name))
{
mat = this.materials[fm.Name];
}
CreateMesh(positions, textureCoordinates, triangleIndices, out normals, out tangents, out bitangents, mat);
}
}
}
/// <summary>
/// Gets the material from the specified path.
/// </summary>
/// <param name="texturePath">
/// The texture path.
/// </param>
/// <returns>
/// The material.
/// </returns>
public Material GetMaterial(string texturePath)
{
if (this.Material == null)
{
this.Material = this.CreateMaterial(texturePath);
//this.Material.Freeze();
}
return this.Material;
}
/// <summary>
/// Create a Mesh, with found props
/// </summary>
/// <param name="positions"></param>
/// <param name="textureCoordinates"></param>
/// <param name="triangleIndices"></param>
/// <param name="normals"></param>
/// <param name="tangents"></param>
/// <param name="bitangents"></param>
/// <param name="material"></param>
private void CreateMesh(Vector3Collection positions, Vector2Collection textureCoordinates, IntCollection triangleIndices, out Vector3Collection normals, out Vector3Collection tangents, out Vector3Collection bitangents,Material material)
{
ComputeNormals(positions, triangleIndices, out normals);
if (textureCoordinates == null)
{
textureCoordinates = new Vector2Collection();
foreach(var pos in positions)
{
textureCoordinates.Add(Vector2.One);
}
}
MeshBuilder.ComputeTangents(positions, normals, textureCoordinates, triangleIndices, out tangents, out bitangents);
MeshGeometry3D mesh = new MeshGeometry3D()
{
Positions = positions,
Normals = normals,
TextureCoordinates = textureCoordinates,
Indices = triangleIndices,
Tangents = tangents,
BiTangents = bitangents
};
Object3D ob3d = new Object3D();
ob3d.Geometry = mesh;
ob3d.Material = material;
ob3d.Transform = Matrix.Identity;
ob3d.Name = "Default";
this.obGroup.Add(ob3d);
}
