IEnumerable <int> _GetIndices(glTFAccessor accessor, out int count)
{
count = accessor.count;
var view = bufferViews[accessor.bufferView];
switch ((glComponentType)accessor.componentType)
{
case glComponentType.UNSIGNED_BYTE:
{
return(GetAttrib <Byte>(accessor, view).Select(x => (int)(x)));
}
case glComponentType.UNSIGNED_SHORT:
{
return(GetAttrib <UInt16>(accessor, view).Select(x => (int)(x)));
}
case glComponentType.UNSIGNED_INT:
{
return(GetAttrib <UInt32>(accessor, view).Select(x => (int)(x)));
}
}
throw new NotImplementedException("GetIndices: unknown componenttype: " + accessor.componentType);
}
T[] GetAttrib <T>(glTFAccessor accessor, glTFBufferView view) where T : struct
{
return(GetAttrib <T>(accessor.count, accessor.byteOffset, view));
}