35 lines
1.0 KiB
Plaintext
35 lines
1.0 KiB
Plaintext
#version 120
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/*
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Copyright (C) 2010 Kristian Duske
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This file is part of TrenchBroom.
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TrenchBroom 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 3 of the License, or
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(at your option) any later version.
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TrenchBroom 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 for more details.
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You should have received a copy of the GNU General Public License
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along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
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*/
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uniform float MaxDistance;
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uniform float Alpha;
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uniform bool IsOrtho;
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varying float distanceFromCamera;
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varying vec4 color;
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void main() {
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float scale = 1.0;
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if (!IsOrtho) {
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scale = (1.0 - clamp(distanceFromCamera / MaxDistance * 0.2 + 0.25, 0.0, 1.0));// * 0.35 + 0.65);
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}
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gl_FragColor = vec4(color.rgb, color.a * scale * Alpha);
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} |