void DrawWithAlfaBlending(GraphicsDevice graphics,
RasterizerStateDescription2 stated,
IGeometryData geo)
{
var context = graphics.ImmediateContext;
var mode = stated.CullMode;
if (mode == CullMode.Back || mode == CullMode.None)
{
stated.CullMode = CullMode.Back;
using (var rasterizerState = graphics.CreateRasterizerState(stated)) {
context.Rasterizer.State = rasterizerState;
graphics.ImmediateContext.DrawIndexed(geo.Indices.Length, 0, 0);
}
}
if (mode == CullMode.Front || mode == CullMode.None)
{
stated.CullMode = CullMode.Front;
using (var rasterizerState = graphics.CreateRasterizerState(stated)) {
context.Rasterizer.State = rasterizerState;
graphics.ImmediateContext.DrawIndexed(geo.Indices.Length, 0, 0);
}
}
}
public TilingPlaneEntity(IRigidBody body, IGeometryData geometryData)
{
if (geometryData.Prim.PrimType != CollideType.Plane) {throw new InvalidOperationException("You may not use this class with a CollideType other than CollideType.Plane");}
this.body = body;
this.geometryData = geometryData;
//this.Texture = texture;
}
public static void WriteObj(FileInfo file, IGeometryData geo)
{
var meshes = new List <WriteMesh>();
var mesh = new SimpleMesh();
var map = new Dictionary <Vector3, int>();
var indeces = new List <int>();
for (var index = 0; index < geo.Positions.Length; index++)
{
var v = geo.Positions[index];
if (!map.ContainsKey(v))
{
map.Add(v, map.Count);
}
}
for (var index = 0; index < geo.Indices.Length; index++)
{
var i = geo.Indices[index];
var v = geo.Positions[i];
indeces.Add(map[v]);
}
var points = map.Keys.ToArray();
var pcount = points.Length * 3;
var pp = new double[pcount];
var pindex = 0;
for (var index = 0; index < points.Length; index++)
{
var v = points[index];
pp[pindex++] = v.X;
pp[pindex++] = v.Y;
pp[pindex++] = v.Z;
}
mesh.Initialize(new VectorArray3d(pp), new VectorArray3i(indeces.ToArray()));
meshes.Add(new WriteMesh(mesh, $"d3dlab export"));
StandardMeshWriter.WriteFile(file.FullName, meshes, WriteOptions.Defaults);
}
public static void ToObjFile(this IGeometryData geo, string path)
{
G3Writers.WriteObj(new System.IO.FileInfo(path), geo);
}
