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https://github.com/lucaspalomodevelop/meshlab.git
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43 lines
2.3 KiB
GLSL
43 lines
2.3 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 sampler2D bump;
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uniform float Kd;
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uniform float Ks;
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uniform float Ke;
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varying vec4 baseColor;
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varying vec3 ViewDirection;
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varying vec3 LightDirection;
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void main(void)
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{
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vec3 bumpPert = normalize( -(0.5,0.5,0.5) + texture2D(bump, gl_TexCoord[0].st).rgb );
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vec3 LightDir = normalize(LightDirection);
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vec3 ViewDir = normalize(ViewDirection);
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vec3 nNormal = normalize(gl_NormalMatrix * bumpPert);
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float diffuse = clamp(dot(LightDir, nNormal), 0.0, 1.0);
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float specular = pow(clamp(dot(reflect(ViewDir, nNormal),-LightDir),0.0, 1.0), Ke);
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gl_FragColor = (Kd * diffuse * baseColor) + (Ks * specular)*baseColor;
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} |