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https://github.com/lucaspalomodevelop/meshlab.git
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50 lines
2.4 KiB
GLSL
50 lines
2.4 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 HatchDirection;
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uniform float Lightness;
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varying vec3 ObjPos;
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varying float V;
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varying float LightIntensity;
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void main()
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{
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ObjPos = vec3(gl_Vertex) * 0.2;
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vec3 pos = vec3(gl_ModelViewMatrix * gl_Vertex);
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vec3 tnorm = normalize(gl_NormalMatrix * gl_Normal);
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//vec3 lightVec = normalize(LightPosition - pos);
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vec3 lightVec = vec3(gl_LightSource[0].position);
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float grey = Lightness*dot (vec4(.333,.333,.333,0),gl_Color);
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LightIntensity = max(grey * dot(lightVec, tnorm), 0.0);
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//LightIntensity = max(dot(lightVec, tnorm), 0.0);
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//V = gl_MultiTexCoord0.t; // try .s for vertical stripes
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V =dot(vec3(gl_Vertex),HatchDirection);
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gl_Position = ftransform();
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// gl_FrontColor=gl_Color;
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}
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