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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"
#include "oslutil.h"
shader node_wireframe(
string bump_offset = "center",
int use_pixel_size = 0,
float Size = 0.01,
output float Fac = 0.0)
{
Fac = wireframe("triangles", Size, use_pixel_size);
if (bump_offset == "dx") {
point dx = Dx(P);
P -= dx;
Fac += (Fac - wireframe("triangles", Size, use_pixel_size)) / length(dx);
}
else if (bump_offset == "dy") {
point dy = Dy(P);
P -= dy;
Fac += (Fac - wireframe("triangles", Size, use_pixel_size)) / length(dy);
}
}
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