public static PolylineGameObject Create(IEntityManager manager, ElementTag tag,
IEnumerable <Vector3> points, Vector4[] color)
{
var indeces = new List <int>();
for (var i = 0; i < points.Count(); i++)
{
indeces.AddRange(new[] { i, i });
}
var geo = new SimpleGeometryComponent()
{
Positions = points.ToImmutableArray(),
Indices = indeces.ToImmutableArray(),
Colors = color.ToImmutableArray(),
};
var tag1 = manager
.CreateEntity(tag)
.AddComponent(geo)
.AddComponent(SDX.Engine.Components.D3DLineVertexRenderComponent.AsLineList())
.AddComponent(new TransformComponent())
//.AddComponent(new PositionColorsComponent { Colors = color })
.Tag;
return(new PolylineGameObject(tag1));
}
static SimpleGeometryComponent GenerateSphere(float radius, Vector3 center, float stepDegree)
{
//{Minimum:X:-2 Y:-2 Z:-2 Maximum:X:2 Y:2 Z:2}
var com = new SimpleGeometryComponent();
for (var angle = stepDegree; angle < 360f; angle += stepDegree)
{
}
return(com);
}
public static ElementTag BuildLineEntity(this IEntityManager manager, Vector3[] points)
{
var geo = new SimpleGeometryComponent()
{
Positions = points.ToImmutableArray(),
Indices = ImmutableArray.Create <int>(),
Color = new Vector4(0, 1, 0, 1)
};
return(manager
.CreateEntity(new ElementTag("Points" + Guid.NewGuid()))
.AddComponent(geo)
.AddComponent(new SDX.Engine.Components.D3DLineVertexRenderComponent())
.Tag);
}
public static ElementTag Build(IEntityManager manager, List <Vector3> pos, List <int> indexes, List <Vector4> colors)
{
var geo = new SimpleGeometryComponent()
{
Positions = pos.ToImmutableArray(),
Indices = indexes.ToImmutableArray(),
Colors = colors.ToImmutableArray(),
Normals = pos.CalculateNormals(indexes).ToImmutableArray()
};
return(manager
.CreateEntity(new ElementTag("Geometry" + Guid.NewGuid()))
.AddComponent(geo)
.AddComponent(TransformComponent.Identity())
.AddComponent(GetObjGroupsRender())
.Tag);
}
public void Parse(Stream stream, IParseResultVisiter visiter)
{
var r = new ObjSpanReader();
try {
var sw = new Stopwatch();
sw.Start();
r.Read(stream);
sw.Stop();
Trace.WriteLine($"Reader {sw.Elapsed.TotalMilliseconds}");
//r.FullGeometry1.Color = new Vector4(0, 1, 0, 1);
//r.FullGeometry1.Normals = r.FullGeometry1.Positions.CalculateNormals(r.FullGeometry.Indices.ToList());
//var full = r.FullGeometry1;// r.FullGeometry;
//var c = new SimpleGeometryComponent {
// Positions = full.Positions.ToImmutableArray(),
// Indices = full.Indices.ToImmutableArray(),
// Normals = full.Positions.ToList().CalculateNormals(full.Indices.ToList()).ToImmutableArray(),
//};
// visiter.Handle(c);
var onlypoints = new List <Vector3>();
var onlypoints1 = new List <Vector3>();
r.FullGeometry.Fixed();
var com = new ObjGroupsComponent();
foreach (var part in r.FullGeometry.Parts)
{
//com.OrderedGroups.Add(new OrderedObjGroups(part.Name, part.Groups));
if (part.Groups.Any(i => i.IndxGroupInfo != null)) // geo is created only by triangles
{
visiter.Handle(new VirtualGroupGeometryComponent(part));
}
else
{
onlypoints.AddRange(part.Positions);
}
//break;
}
//visiter.Handle(com);
} catch (Exception exc) {
exc.ToString();
}
return;
var readerA = new ObjReader();
var res = readerA.Read(stream);
var meshes = new List <AbstractGeometry3D>();
var colors = new Vector4[4];
colors[0] = new Vector4(1, 0, 0, 1);
colors[1] = new Vector4(0, 1, 0, 1);
colors[2] = new Vector4(0, 0, 1, 1);
colors[3] = new Vector4(1, 1, 0, 1);
for (int i = 0; i < res.Count; i++)
{
Object3D m = res[i];
var mesh = m.Geometry;
mesh.Color = colors.Length > i ? colors[i] : colors[0];
//meshes.Add(mesh);
var c = new SimpleGeometryComponent {
Positions = mesh.Positions.ToImmutableArray(),
Indices = mesh.Indices.ToImmutableArray(),
Normals = mesh.Positions.ToList().CalculateNormals(mesh.Indices.ToList()).ToImmutableArray(),
};
visiter.Handle(c);
}
}
