public static Shape ToShape(StlShape stlShape)
{
var polygons = stlShape.Triangles.Select(item => new Polygon(new []
{
new Vertex(item.Positions[0], item.Normal, Vector2.Zero, Vector4.One),
new Vertex(item.Positions[1], item.Normal, Vector2.Zero, Vector4.One),
new Vertex(item.Positions[2], item.Normal, Vector2.Zero, Vector4.One)
}));
return(new GeneratedShape(polygons));
}
public override Shape Read(MemoryStream stream)
{
using var reader = new BinaryReader(stream);
byte[] header = reader.ReadBytes(80);
uint triangleCount = reader.ReadUInt32();
var triangles = new List <StlTriangle>();
for (int i = 0; i < triangleCount; i++)
{
var normalX = reader.ReadSingle();
var normalY = reader.ReadSingle();
var normalZ = reader.ReadSingle();
var v1X = reader.ReadSingle();
var v1Y = reader.ReadSingle();
var v1Z = reader.ReadSingle();
var v2X = reader.ReadSingle();
var v2Y = reader.ReadSingle();
var v2Z = reader.ReadSingle();
var v3X = reader.ReadSingle();
var v3Y = reader.ReadSingle();
var v3Z = reader.ReadSingle();
var attribute = reader.ReadUInt16();
triangles.Add(new StlTriangle(
new Vector3(normalX, normalY, normalZ),
new Vector3[]
{
new Vector3(v1X, v1Y, v1Z),
new Vector3(v2X, v2Y, v2Z),
new Vector3(v3X, v3Y, v3Z)
},
attribute
));
}
var stlShape = new StlShape(string.Empty, triangles.ToArray());
return(StlHelper.ToShape(stlShape));
}