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49 lines
2.9 KiB
C++
49 lines
2.9 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2024 *
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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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#ifndef __OPENSPACE_CORE___UNIVERSALHELPERS___H__
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#define __OPENSPACE_CORE___UNIVERSALHELPERS___H__
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//
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// This file is meant to contain generally useful functions that is used a bit all over
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// the place but that do not belong in any other, more specific, file.
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//
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// If you implement a function that can be useful in several other situations, feel free
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// to document it and put it this file
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//
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namespace openspace::helpers {
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/**
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* Remap a parameter t in [0,1] to a subinterval [start, end], by shifting and scaling
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* the value to match the interval. If \p t is smaller than \p start, the return value
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* will be 0 and if bigger than \p end it will be 1. Other values will be linearly
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* interpolated within the range [start, end].
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*/
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double shiftAndScale(double t, double start, double end);
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} // namespace openspace::helpers
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#endif // __OPENSPACE_CORE___UNIVERSALHELPERS___H__
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