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45 lines
2.5 KiB
GLSL
45 lines
2.5 KiB
GLSL
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014 - 2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include "fragment.glsl"
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in vec4 vs_positionClipSpace;
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in vec2 vs_positionModelSpace;
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//uniform vec3 directionToSunViewSpace;
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uniform vec3 positionCameraSpace;
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//uniform float lightOverflow;
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Fragment getFragment() {
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float alpha =
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1.0 - sqrt(pow(vs_positionModelSpace.x, 2) + pow(vs_positionModelSpace.y, 2));
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alpha = pow(alpha, 3);
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Fragment frag;
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frag.color = vec4(1.0, 1.0, 1.0, alpha);
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frag.depth = vs_positionClipSpace.w;
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frag.blend = BLEND_MODE_ADDITIVE;
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return frag;
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}
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