public void SetModel(Mesh3D mesh)
{
// Add the mesh.
myGeometryModel = new GeometryModel3D();
MeshGeometry3D myMeshGeometry3D = new MeshGeometry3D();
Point3DCollection myPositionCollection = new Point3DCollection();
Int32Collection myTriangleIndicesCollection = new Int32Collection();
try
{
for (int i = 0; i < mesh.Vertices.Length; i++)
{
myPositionCollection.Add(new Point3D(mesh.Vertices[i].x, mesh.Vertices[i].y, mesh.Vertices[i].z));
}
myTriangleIndicesCollection = new Int32Collection(mesh.Triangles);
}
catch (Exception ex)
{
}
myMeshGeometry3D.Positions = myPositionCollection;
myMeshGeometry3D.TriangleIndices = myTriangleIndicesCollection;
// Apply the mesh to the geometry model.
myGeometryModel.Geometry = myMeshGeometry3D;
// Define material and apply to the mesh geometries.
Material myMaterial;
//if (this.renderType == RenderAspectEnum.GreenLimeYellow)
// myMaterial = new DiffuseMaterial(new SolidColorBrush(Colors.LimeGreen));
//else
myMaterial = new DiffuseMaterial(new SolidColorBrush(Colors.White));
myGeometryModel.Material = myMaterial;
Transform3DGroup transformGroup = new Transform3DGroup();
transformGroup.Children.Add(new ScaleTransform3D(mesh.Scale, mesh.Scale, mesh.Scale));
transformGroup.Children.Add(new TranslateTransform3D(new Vector3D(-mesh.OffsetX * mesh.Scale, -mesh.OffsetY * mesh.Scale, -mesh.OffsetZ * mesh.Scale)));
myModel3DGroup.Transform = transformGroup;
// Add the geometry model to the model group.
myModel3DGroup.Children.Add(myGeometryModel);
float newScale = mesh.Scale < 0.001 ? mesh.Scale * 10 : (mesh.Scale > 0.1 ? mesh.Scale * 0.1f : mesh.Scale);
myGridLines.Width = 5000 * newScale;
myGridLines.Thickness = myGridLines.Width / 7000;
myGridLines.Length = myGridLines.Width;
myGridLines.MajorDistance = myGridLines.Width / 30;
myGridLines.MinorDistance = myGridLines.MajorDistance / 10;
myGridLines.Center = new Point3D(-3f * mesh.Scale + myGridLines.MajorDistance / 2f, 3f * mesh.Scale + myGridLines.MajorDistance / 2f, -27.5f * mesh.Scale);
}
public void SetModel(Mesh3D mesh)
{
this.mesh = mesh;
// Create buffers
{
GL.GenBuffers(1, out modelVertexBuffer);
GL.BindBuffer(BufferTarget.ArrayBuffer, modelVertexBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, mesh.Vertices.Length * Mesh3D.Vertexh.SizeInBytes, mesh.Vertices.ToArray(), BufferUsageHint.StaticDraw);
GL.GenBuffers(1, out modelIndexBuffer);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, modelIndexBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, mesh.Triangles.Length * sizeof(int), mesh.Triangles.ToArray(), BufferUsageHint.StaticDraw);
GL.VertexPointer(3, VertexPointerType.HalfFloat, 0, new IntPtr(0));
GL.GenBuffers(1, out modelNormalBuffer);
GL.BindBuffer(BufferTarget.ArrayBuffer, modelNormalBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, mesh.vertexNormals.Length * Shared.Extensions.Half.SizeInBytes, mesh.vertexNormals, BufferUsageHint.StaticDraw);
GL.NormalPointer(NormalPointerType.HalfFloat, 0, new IntPtr(0));
}
}
public void RemoveModel()
{
this.mesh = null;
}