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23 lines
677 B
GLSL
23 lines
677 B
GLSL
#version 120
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//
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// perlin_modulate.vert
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// vertex shader
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//
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// Created by Andrzej Kapolka on 5/15/13.
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// Copyright 2013 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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// the position in model space
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varying vec3 position;
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void main(void) {
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position = gl_Vertex.xyz;
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vec4 normal = normalize(gl_ModelViewMatrix * vec4(gl_Normal, 0.0));
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gl_FrontColor = gl_Color * (gl_LightModel.ambient + gl_LightSource[0].ambient +
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gl_LightSource[0].diffuse * max(0.0, dot(normal, gl_LightSource[0].position)));
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gl_Position = ftransform();
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}
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