mirror of
https://github.com/lucaspalomodevelop/meshlab.git
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46 lines
2.2 KiB
GLSL
46 lines
2.2 KiB
GLSL
/****************************************************************************
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* MeshLab o o *
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* An extendible mesh processor o o *
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* _ O _ *
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* Copyright(C) 2005, 2009 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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uniform vec3 DiffuseColor;
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uniform vec3 PhongColor;
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uniform float Edge;
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uniform float Phong;
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varying vec3 Normal;
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varying vec3 LightDir;
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uniform float Fuzz;
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void main (void)
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{
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vec3 color = DiffuseColor;
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float f = dot(LightDir,Normal);
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if (f < Edge+Fuzz) {
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float frac=clamp((f-Edge)/Fuzz, 0.0, 1.0);
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color = mix(vec3(0.0), DiffuseColor, frac);
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} else {
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float frac=clamp((f-Phong)/Fuzz, 0.0, 1.0);
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color = mix(DiffuseColor, PhongColor, frac);
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}
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gl_FragColor = vec4(color, 1.0);
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}
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