65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
/*
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* InfiniPaint
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* Copyright (C) 2025-2026 Yousef Khadadeh
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*
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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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*
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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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*
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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 <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <chrono>
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#include <algorithm>
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#include <cmath>
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#include <Helpers/BezierEasing.hpp>
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#include <include/core/SkColor.h>
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#include "SharedTypes.hpp"
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template <typename T> T lerp_time(T t, T tEnd, T tStart = 0) {
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return std::clamp<T>((t - tStart) / (tEnd - tStart), 0, 1);
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}
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WorldVec lerp_world_vec_double(const WorldVec& v1, const WorldVec& v2, double t);
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template<typename T, typename TimeType> std::enable_if_t<!std::is_arithmetic_v<T>, T> lerp_vec(const T& v1, const T& v2, TimeType t) {
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T item;
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for(unsigned i = 0; i < v1.size(); i++)
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item[i] = std::lerp(v1[i], v2[i], t);
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return item;
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}
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template<typename T, typename TimeType> std::enable_if_t<std::is_arithmetic_v<T>, T> lerp_vec(T v1, T v2, TimeType t) {
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return std::lerp(v1, v2, t);
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}
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template<typename TimeType> SkColor4f lerp_vec(const SkColor4f& t1, const SkColor4f& t2, TimeType t) {
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return {std::lerp(t1[0], t2[0], t),
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std::lerp(t1[1], t2[1], t),
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std::lerp(t1[2], t2[2], t),
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std::lerp(t1[3], t2[3], t)};
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}
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bool smooth_two_way_animation_time_check_for_change(float& timeToUpdate, float deltaTime, bool isWay1, float animDuration);
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float smooth_two_way_animation_time_get_lerp(float& timeToUpdate, float deltaTime, bool isWay1, float animDuration);
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void smooth_two_way_animation_time(float& timeToUpdate, float deltaTime, bool isWay1, float animDuration);
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class TimePoint {
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public:
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TimePoint();
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void update_time_point();
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void update_time_since();
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float get_time_since() const;
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operator float() const;
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private:
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std::chrono::time_point<std::chrono::steady_clock> tp;
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float timeSince;
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};
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