blender/intern/cycles/kernel/shaders/node_scatter_volume.osl

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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
#include "stdosl.h"
shader node_scatter_volume(
color Color = color(0.8, 0.8, 0.8),
float Density = 1.0,
float Anisotropy = 0.0,
output closure color Volume = 0)
{
Volume = (Color * max(Density, 0.0)) * henyey_greenstein(Anisotropy);
}