51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
//
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// Created by Иван Ильин on 27.01.2021.
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//
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#include "Animation.h"
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Animation::Animation(double duration, Animation::LoopOut looped, Animation::InterpolationType intType, bool waitFor)
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: _duration(duration), _looped(looped), _intType(intType), _waitFor(waitFor) {
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}
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bool Animation::updateState() {
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if (_finished || std::abs(_duration) < Consts::EPS) {
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_finished = true;
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return false;
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}
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// linear normalized time:
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_dtime = Time::deltaTime() / _duration;
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_time += _dtime;
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if (_looped == LoopOut::Continue && _time > 0.5) {
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_time = 0.5;
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}
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switch (_intType) {
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case InterpolationType::Bezier:
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_progress = Interpolation::Bezier(Consts::BEZIER[0], Consts::BEZIER[1], _time);
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_dprogress = Interpolation::dBezier(Consts::BEZIER[0], Consts::BEZIER[1], _time, _dtime);
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break;
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case InterpolationType::Bouncing:
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_progress = Interpolation::Bouncing(_time);
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_dprogress = Interpolation::dBouncing(_time, _dtime);
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break;
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case InterpolationType::Linear:
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_progress = Interpolation::Linear(_time);
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_dprogress = Interpolation::dLinear(_time, _dtime);
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break;
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case InterpolationType::Cos:
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_progress = Interpolation::Cos(_time);
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_dprogress = Interpolation::dCos(_time, _dtime);
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break;
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default:
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throw std::logic_error{
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"Animation::updateState: unknown interpolation type " + std::to_string(static_cast<int>(_intType))};
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}
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update();
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return (_time < 1) || _looped == LoopOut::Cycle;
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}
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