void node_volume_scatter( vec4 color, float density, float anisotropy, float weight, out Closure result) { ClosureVolumeScatter volume_scatter_data; volume_scatter_data.weight = weight; volume_scatter_data.scattering = color.rgb * density; volume_scatter_data.anisotropy = anisotropy; result = closure_eval(volume_scatter_data); }