private byte[] GetTextureCoordinatesBytes(Rhino.Geometry.Collections.MeshTextureCoordinateList texCoords, out Point2f min, out Point2f max)
{
Point2f texCoordsMin = new Point2f()
{
X = float.PositiveInfinity, Y = float.PositiveInfinity
};
Point2f texCoordsMax = new Point2f()
{
X = float.NegativeInfinity, Y = float.NegativeInfinity
};
List <float> coordinates = new List <float>(texCoords.Count * 2);
foreach (Point2f coordinate in texCoords)
{
coordinates.AddRange(new float[] { coordinate.X, coordinate.Y });
texCoordsMin.X = Math.Min(texCoordsMin.X, coordinate.X);
texCoordsMax.X = Math.Max(texCoordsMax.X, coordinate.X);
texCoordsMin.Y = Math.Min(texCoordsMin.Y, coordinate.Y);
texCoordsMax.Y = Math.Max(texCoordsMax.Y, coordinate.Y);
}
IEnumerable <byte> bytesEnumerable = coordinates.SelectMany(value => BitConverter.GetBytes(value));
min = texCoordsMin;
max = texCoordsMax;
return(bytesEnumerable.ToArray());
}
glTFLoader.Schema.Buffer CreateTextureCoordinatesBuffer(Rhino.Geometry.Collections.MeshTextureCoordinateList texCoords, out Point2f min, out Point2f max)
{
byte[] bytes = GetTextureCoordinatesBytes(texCoords, out min, out max);
return(new glTFLoader.Schema.Buffer()
{
Uri = Constants.TextBufferHeader + Convert.ToBase64String(bytes),
ByteLength = bytes.Length,
});
}
