55 lines
1.6 KiB
GLSL
Executable File
55 lines
1.6 KiB
GLSL
Executable File
/**
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* @file pathfindingV.glsl
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*
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* $LicenseInfo:firstyear=2007&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2007, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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uniform mat4 modelview_projection_matrix;
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ATTRIBUTE vec3 position;
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ATTRIBUTE vec4 diffuse_color;
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ATTRIBUTE vec3 normal;
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VARYING vec4 vertex_color;
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uniform float tint;
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uniform float ambiance;
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uniform float alpha_scale;
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void main()
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{
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gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
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vec3 l1 = vec3(-0.75, 1, 1.0)*0.5;
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vec3 l2 = vec3(0.5, -0.6, 0.4)*0.25;
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vec3 l3 = vec3(0.5, -0.8, 0.3)*0.5;
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float lit = max(dot(normal, l1), 0.0);
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lit += max(dot(normal, l2), 0.0);
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lit += max(dot(normal, l3), 0.0);
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lit = clamp(lit, ambiance, 1.0);
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vertex_color = vec4(diffuse_color.rgb * tint * lit, diffuse_color.a*alpha_scale);
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}
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