itsmattkc
855fe5e93f
Widget now supports creating keyframe and standard values, supports dragging from sliders (not creating an undo command for each drag), and everything is undoable.
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program 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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This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef LERP_H
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#define LERP_H
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template<typename T>
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/**
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* @brief Linearly interpolate a value between a and b using t
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*
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* t should be a number between 0.0 and 1.0. 0.0 will return a, 1.0 will return b, and between will return a value
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* in between a and b at that point linearly.
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*/
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T lerp(T a, T b, double t) {
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return (a * (1.0 - t)) + (b * t);
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}
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template<typename T>
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T lerp(T a, T b, float t) {
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return (a * (1.0f - t)) + (b * t);
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}
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#endif // LERP_H
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