518 lines
14 KiB
C++
518 lines
14 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies 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
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "ActionTween.h"
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#include "include-forwards.h"
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#include "Node.h"
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namespace kiwano
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{
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//-------------------------------------------------------
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// Ease Functions
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//-------------------------------------------------------
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inline EaseFunc MakeEaseIn(float rate) { return std::bind(math::EaseIn, std::placeholders::_1, rate); }
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inline EaseFunc MakeEaseOut(float rate) { return std::bind(math::EaseOut, std::placeholders::_1, rate); }
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inline EaseFunc MakeEaseInOut(float rate) { return std::bind(math::EaseInOut, std::placeholders::_1, rate); }
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inline EaseFunc MakeEaseElasticIn(float period) { return std::bind(math::EaseElasticIn, std::placeholders::_1, period); }
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inline EaseFunc MakeEaseElasticOut(float period) { return std::bind(math::EaseElasticOut, std::placeholders::_1, period); }
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inline EaseFunc MakeEaseElasticInOut(float period) { return std::bind(math::EaseElasticInOut, std::placeholders::_1, period); }
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KGE_API EaseFunc Ease::Linear = math::Linear;
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KGE_API EaseFunc Ease::EaseIn = MakeEaseIn(2.f);
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KGE_API EaseFunc Ease::EaseOut = MakeEaseOut(2.f);
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KGE_API EaseFunc Ease::EaseInOut = MakeEaseInOut(2.f);
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KGE_API EaseFunc Ease::ExpoIn = math::EaseExponentialIn;
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KGE_API EaseFunc Ease::ExpoOut = math::EaseExponentialOut;
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KGE_API EaseFunc Ease::ExpoInOut = math::EaseExponentialInOut;
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KGE_API EaseFunc Ease::BounceIn = math::EaseBounceIn;
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KGE_API EaseFunc Ease::BounceOut = math::EaseBounceOut;
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KGE_API EaseFunc Ease::BounceInOut = math::EaseBounceInOut;
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KGE_API EaseFunc Ease::ElasticIn = MakeEaseElasticIn(0.3f);
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KGE_API EaseFunc Ease::ElasticOut = MakeEaseElasticOut(0.3f);
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KGE_API EaseFunc Ease::ElasticInOut = MakeEaseElasticInOut(0.3f);
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KGE_API EaseFunc Ease::SineIn = math::EaseSineIn;
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KGE_API EaseFunc Ease::SineOut = math::EaseSineOut;
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KGE_API EaseFunc Ease::SineInOut = math::EaseSineInOut;
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KGE_API EaseFunc Ease::BackIn = math::EaseBackIn;
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KGE_API EaseFunc Ease::BackOut = math::EaseBackOut;
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KGE_API EaseFunc Ease::BackInOut = math::EaseBackInOut;
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KGE_API EaseFunc Ease::QuadIn = math::EaseQuadIn;
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KGE_API EaseFunc Ease::QuadOut = math::EaseQuadOut;
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KGE_API EaseFunc Ease::QuadInOut = math::EaseQuadInOut;
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KGE_API EaseFunc Ease::CubicIn = math::EaseCubicIn;
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KGE_API EaseFunc Ease::CubicOut = math::EaseCubicOut;
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KGE_API EaseFunc Ease::CubicInOut = math::EaseCubicInOut;
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KGE_API EaseFunc Ease::QuartIn = math::EaseQuartIn;
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KGE_API EaseFunc Ease::QuartOut = math::EaseQuartOut;
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KGE_API EaseFunc Ease::QuartInOut = math::EaseQuartInOut;
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KGE_API EaseFunc Ease::QuintIn = math::EaseQuintIn;
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KGE_API EaseFunc Ease::QuintOut = math::EaseQuintOut;
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KGE_API EaseFunc Ease::QuintInOut = math::EaseQuintInOut;
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//-------------------------------------------------------
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// ActionTween
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//-------------------------------------------------------
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ActionTween::ActionTween()
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: dur_()
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, ease_func_(nullptr)
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{
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}
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ActionTween::ActionTween(Duration duration, EaseFunc func)
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{
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SetDuration(duration);
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SetEaseFunc(func);
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}
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void ActionTween::SetEaseFunc(EaseFunc const& func)
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{
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ease_func_ = func;
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}
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EaseFunc const & ActionTween::GetEaseFunc() const
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{
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return ease_func_;
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}
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Duration ActionTween::GetDuration() const
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{
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return dur_;
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}
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void ActionTween::Update(NodePtr target, Duration dt)
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{
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float percent;
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if (dur_.IsZero())
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{
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percent = 1.f;
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Complete(target);
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}
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else
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{
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Duration elapsed = elapsed_ - delay_;
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float loops_done = elapsed / dur_;
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while (loops_done_ < static_cast<int>(loops_done))
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{
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Complete(target); // loops_done_++
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}
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percent = (status_ == Status::Done) ? 1.f : (loops_done - static_cast<float>(loops_done_));
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}
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if (ease_func_)
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percent = ease_func_(percent);
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UpdateTween(target, percent);
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}
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void ActionTween::SetDuration(Duration duration)
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{
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dur_ = duration;
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}
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//-------------------------------------------------------
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// Move Action
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//-------------------------------------------------------
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ActionMoveBy::ActionMoveBy(Duration duration, Point const& vector, EaseFunc func)
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: ActionTween(duration, func)
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{
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delta_pos_ = vector;
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}
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void ActionMoveBy::Init(NodePtr target)
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{
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if (target)
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{
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prev_pos_ = start_pos_ = target->GetPosition();
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}
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}
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void ActionMoveBy::UpdateTween(NodePtr target, float percent)
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{
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Point diff = target->GetPosition() - prev_pos_;
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start_pos_ = start_pos_ + diff;
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Point new_pos = start_pos_ + (delta_pos_ * percent);
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target->SetPosition(new_pos);
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prev_pos_ = new_pos;
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}
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ActionPtr ActionMoveBy::Clone() const
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{
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return new (std::nothrow) ActionMoveBy(dur_, delta_pos_, ease_func_);
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}
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ActionPtr ActionMoveBy::Reverse() const
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{
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return new (std::nothrow) ActionMoveBy(dur_, -delta_pos_, ease_func_);
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}
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ActionMoveTo::ActionMoveTo(Duration duration, Point const& pos, EaseFunc func)
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: ActionMoveBy(duration, Point(), func)
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{
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end_pos_ = pos;
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}
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ActionPtr ActionMoveTo::Clone() const
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{
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return new (std::nothrow) ActionMoveTo(dur_, end_pos_, ease_func_);
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}
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void ActionMoveTo::Init(NodePtr target)
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{
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ActionMoveBy::Init(target);
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delta_pos_ = end_pos_ - start_pos_;
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}
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//-------------------------------------------------------
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// Jump Action
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//-------------------------------------------------------
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ActionJumpBy::ActionJumpBy(Duration duration, Point const& vec, float height, int jumps, EaseFunc func)
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: ActionTween(duration, func)
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, delta_pos_(vec)
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, height_(height)
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, jumps_(jumps)
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{
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}
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ActionPtr ActionJumpBy::Clone() const
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{
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return new (std::nothrow) ActionJumpBy(dur_, delta_pos_, height_, jumps_, ease_func_);
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}
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ActionPtr ActionJumpBy::Reverse() const
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{
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return new (std::nothrow) ActionJumpBy(dur_, -delta_pos_, height_, jumps_, ease_func_);
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}
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void ActionJumpBy::Init(NodePtr target)
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{
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if (target)
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{
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prev_pos_ = start_pos_ = target->GetPosition();
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}
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}
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void ActionJumpBy::UpdateTween(NodePtr target, float percent)
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{
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float frac = fmod(percent * jumps_, 1.f);
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float x = delta_pos_.x * percent;
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float y = height_ * 4 * frac * (1 - frac);
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y += delta_pos_.y * percent;
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Point diff = target->GetPosition() - prev_pos_;
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start_pos_ = diff + start_pos_;
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Point new_pos = start_pos_ + Point(x, y);
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target->SetPosition(new_pos);
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prev_pos_ = new_pos;
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}
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ActionJumpTo::ActionJumpTo(Duration duration, Point const& pos, float height, int jumps, EaseFunc func)
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: ActionJumpBy(duration, Point(), height, jumps, func)
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, end_pos_(pos)
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{
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}
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ActionPtr ActionJumpTo::Clone() const
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{
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return new (std::nothrow) ActionJumpTo(dur_, end_pos_, height_, jumps_, ease_func_);
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}
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void ActionJumpTo::Init(NodePtr target)
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{
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ActionJumpBy::Init(target);
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delta_pos_ = end_pos_ - start_pos_;
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}
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//-------------------------------------------------------
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// Scale Action
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//-------------------------------------------------------
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ActionScaleBy::ActionScaleBy(Duration duration, float scale, EaseFunc func)
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: ActionScaleBy(duration, scale, scale, func)
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{
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}
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ActionScaleBy::ActionScaleBy(Duration duration, float scale_x, float scale_y, EaseFunc func)
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: ActionTween(duration, func)
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, delta_x_(scale_x)
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, delta_y_(scale_y)
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, start_scale_x_(0.f)
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, start_scale_y_(0.f)
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{
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}
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void ActionScaleBy::Init(NodePtr target)
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{
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if (target)
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{
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start_scale_x_ = target->GetScaleX();
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start_scale_y_ = target->GetScaleY();
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}
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}
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void ActionScaleBy::UpdateTween(NodePtr target, float percent)
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{
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target->SetScale(start_scale_x_ + delta_x_ * percent, start_scale_y_ + delta_y_ * percent);
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}
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ActionPtr ActionScaleBy::Clone() const
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{
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return new (std::nothrow) ActionScaleBy(dur_, delta_x_, delta_y_, ease_func_);
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}
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ActionPtr ActionScaleBy::Reverse() const
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{
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return new (std::nothrow) ActionScaleBy(dur_, -delta_x_, -delta_y_, ease_func_);
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}
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ActionScaleTo::ActionScaleTo(Duration duration, float scale, EaseFunc func)
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: ActionScaleBy(duration, 0, 0, func)
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{
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end_scale_x_ = scale;
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end_scale_y_ = scale;
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}
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ActionScaleTo::ActionScaleTo(Duration duration, float scale_x, float scale_y, EaseFunc func)
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: ActionScaleBy(duration, 0, 0, func)
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{
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end_scale_x_ = scale_x;
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end_scale_y_ = scale_y;
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}
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ActionPtr ActionScaleTo::Clone() const
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{
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return new (std::nothrow) ActionScaleTo(dur_, end_scale_x_, end_scale_y_, ease_func_);
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}
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void ActionScaleTo::Init(NodePtr target)
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{
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ActionScaleBy::Init(target);
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delta_x_ = end_scale_x_ - start_scale_x_;
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delta_y_ = end_scale_y_ - start_scale_y_;
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}
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//-------------------------------------------------------
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// Opacity Action
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//-------------------------------------------------------
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ActionFadeTo::ActionFadeTo(Duration duration, float opacity, EaseFunc func)
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: ActionTween(duration, func)
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, delta_val_(0.f)
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, start_val_(0.f)
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, end_val_(opacity)
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{
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}
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void ActionFadeTo::Init(NodePtr target)
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{
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if (target)
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{
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start_val_ = target->GetOpacity();
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delta_val_ = end_val_ - start_val_;
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}
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}
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void ActionFadeTo::UpdateTween(NodePtr target, float percent)
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{
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target->SetOpacity(start_val_ + delta_val_ * percent);
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}
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ActionPtr ActionFadeTo::Clone() const
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{
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return new (std::nothrow) ActionFadeTo(dur_, end_val_, ease_func_);
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}
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ActionFadeIn::ActionFadeIn(Duration duration, EaseFunc func)
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: ActionFadeTo(duration, 1, func)
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{
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}
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ActionFadeOut::ActionFadeOut(Duration duration, EaseFunc func)
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: ActionFadeTo(duration, 0, func)
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{
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}
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//-------------------------------------------------------
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// Rotate Action
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//-------------------------------------------------------
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ActionRotateBy::ActionRotateBy(Duration duration, float rotation, EaseFunc func)
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: ActionTween(duration, func)
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, start_val_()
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, delta_val_(rotation)
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{
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}
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void ActionRotateBy::Init(NodePtr target)
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{
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if (target)
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{
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start_val_ = target->GetRotation();
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}
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}
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void ActionRotateBy::UpdateTween(NodePtr target, float percent)
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{
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float rotation = start_val_ + delta_val_ * percent;
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if (rotation > 360.f)
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rotation -= 360.f;
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target->SetRotation(rotation);
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}
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ActionPtr ActionRotateBy::Clone() const
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{
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return new (std::nothrow) ActionRotateBy(dur_, delta_val_, ease_func_);
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}
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ActionPtr ActionRotateBy::Reverse() const
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{
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return new (std::nothrow) ActionRotateBy(dur_, -delta_val_, ease_func_);
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}
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ActionRotateTo::ActionRotateTo(Duration duration, float rotation, EaseFunc func)
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: ActionRotateBy(duration, 0, func)
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{
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end_val_ = rotation;
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}
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ActionPtr ActionRotateTo::Clone() const
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{
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return new (std::nothrow) ActionRotateTo(dur_, end_val_, ease_func_);
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}
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void ActionRotateTo::Init(NodePtr target)
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{
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ActionRotateBy::Init(target);
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delta_val_ = end_val_ - start_val_;
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}
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//-------------------------------------------------------
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// ActionPath
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//-------------------------------------------------------
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ActionPath::ActionPath(Duration duration, GeometryPtr geo, bool rotating, float start, float end, EaseFunc func)
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: ActionTween(duration, func)
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, start_(start)
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, end_(end)
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, geo_(geo)
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, rotating_(rotating)
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{
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}
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ActionPtr ActionPath::Clone() const
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{
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return new ActionPath(dur_, geo_, rotating_, start_, end_, ease_func_);
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}
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ActionPtr ActionPath::Reverse() const
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{
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return new ActionPath(dur_, geo_, rotating_, end_, start_, ease_func_);
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}
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void ActionPath::Init(NodePtr target)
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{
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start_pos_ = target->GetPosition();
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}
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void ActionPath::UpdateTween(NodePtr target, float percent)
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{
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float length = geo_->GetLength() * std::min(std::max((end_ - start_) * percent + start_, 0.f), 1.f);
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Point point, tangent;
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if (geo_->ComputePointAt(length, &point, &tangent))
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{
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target->SetPosition(start_pos_ + point);
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if (rotating_)
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{
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float ac = math::Acos(tangent.x);
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float rotation = (tangent.y < 0.f) ? 360.f - ac : ac;
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target->SetRotation(rotation);
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}
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}
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}
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//-------------------------------------------------------
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// ActionCustom
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//-------------------------------------------------------
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ActionCustom::ActionCustom(Duration duration, TweenFunc tween_func, EaseFunc func)
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: ActionTween(duration, func)
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, tween_func_(tween_func)
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{
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}
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ActionPtr ActionCustom::Clone() const
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{
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return new ActionCustom(dur_, tween_func_);
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}
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void ActionCustom::Init(NodePtr target)
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{
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if (!tween_func_)
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this->Done();
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}
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void ActionCustom::UpdateTween(NodePtr target, float percent)
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{
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if (tween_func_)
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tween_func_(target, percent);
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}
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//-------------------------------------------------------
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// ActionDelay
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//-------------------------------------------------------
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ActionDelay::ActionDelay(Duration delay)
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{
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SetDelay(delay);
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}
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ActionPtr ActionDelay::Clone() const
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{
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return new ActionDelay(delay_);
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}
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ActionPtr ActionDelay::Reverse() const
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{
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return new ActionDelay(delay_);
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}
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}
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