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31 lines
872 B
GLSL
31 lines
872 B
GLSL
#version 120
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//
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// metavoxel_point.vert
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// vertex shader
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//
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// Created by Andrzej Kapolka on 12/12/13.
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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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uniform float pointScale;
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// the interpolated normal
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varying vec4 normal;
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void main(void) {
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// transform and store the normal for interpolation
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normal = vec4(normalize(gl_NormalMatrix * gl_Normal), 0.0);
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// extract the first three components of the vertex for position
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gl_Position = gl_ModelViewProjectionMatrix * vec4(gl_Vertex.xyz, 1.0);
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// the final component is the size in world space
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gl_PointSize = pointScale * gl_Vertex.w / gl_Position.w;
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// copy the color for interpolation
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gl_FrontColor = vec4(gl_Color.rgb, 0.0);
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}
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