397 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			397 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright (c) 2016-2018 Easy2D - 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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| 
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| #include "Transition.h"
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| #include "Node.h"
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| #include "Scene.h"
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| #include "window.h"
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| #include "render.h"
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| #include "logs.h"
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| 
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| namespace easy2d
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| {
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| 	//-------------------------------------------------------
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| 	// Transition
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| 	//-------------------------------------------------------
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| 
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| 	Transition::Transition(Duration const& duration)
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| 		: done_(false)
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| 		, duration_(duration)
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| 		, delta_()
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| 		, process_(0)
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| 		, window_size_()
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| 		, out_scene_(nullptr)
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| 		, in_scene_(nullptr)
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| 		, out_layer_(nullptr)
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| 		, in_layer_(nullptr)
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| 		, out_layer_prop_()
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| 		, in_layer_prop_()
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| 	{
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| 	}
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| 
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| 	Transition::~Transition()
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| 	{
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| 	}
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| 
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| 	bool Transition::IsDone()
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| 	{
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| 		return done_;
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| 	}
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| 
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| 	void Transition::Init(spScene const& prev, spScene const& next)
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| 	{
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| 		process_ = 0;
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| 		delta_ = Duration{};
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| 
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| 		out_scene_ = prev;
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| 		in_scene_ = next;
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| 
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| 		if (in_scene_)
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| 		{
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| 			ThrowIfFailed(
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| 				Graphics::Instance()->CreateLayer(in_layer_)
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| 			);
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| 		}
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| 
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| 		if (out_scene_)
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| 		{
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| 			ThrowIfFailed(
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| 				Graphics::Instance()->CreateLayer(out_layer_)
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| 			);
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| 		}
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| 
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| 		window_size_ = Window::Instance()->GetSize();
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| 		out_layer_prop_ = in_layer_prop_ = LayerProperties{ Rect(Point(), window_size_),1.f };
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| 	}
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| 
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| 	void Transition::Update(Duration const& dt)
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| 	{
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| 		if (duration_.IsZero())
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| 		{
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| 			process_ = 1;
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| 		}
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| 		else
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| 		{
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| 			delta_ += dt;
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| 			process_ = std::min(delta_ / duration_, 1.f);
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| 		}
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| 
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| 		if (process_ >= 1)
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| 		{
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| 			this->Stop();
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| 		}
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| 	}
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| 
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| 	void Transition::Render()
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| 	{
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| 		auto graphics = Graphics::Instance();
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| 
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| 		if (out_scene_)
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| 		{
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| 			graphics->PushClip(
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| 				out_scene_->GetTransformMatrix(),
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| 				window_size_
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| 			);
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| 			graphics->PushLayer(out_layer_, out_layer_prop_);
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| 
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| 			out_scene_->Render();
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| 
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| 			graphics->PopLayer();
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| 			graphics->PopClip();
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| 		}
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| 
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| 		if (in_scene_)
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| 		{
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| 			graphics->PushClip(
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| 				in_scene_->GetTransformMatrix(),
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| 				window_size_
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| 			);
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| 			graphics->PushLayer(in_layer_, in_layer_prop_);
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| 
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| 			in_scene_->Render();
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| 
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| 			graphics->PopLayer();
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| 			graphics->PopClip();
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| 		}
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| 	}
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| 
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| 	void Transition::Stop()
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| 	{
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| 		done_ = true;
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| 		Reset();
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| 	}
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| 
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| 	//-------------------------------------------------------
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| 	// BoxTransition
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| 	//-------------------------------------------------------
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| 
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| 	BoxTransition::BoxTransition(Duration const& duration)
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| 		: Transition(duration)
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| 	{
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| 	}
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| 
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| 	void BoxTransition::Init(spScene const& prev, spScene const& next)
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| 	{
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| 		Transition::Init(prev, next);
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| 
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| 		in_layer_prop_.opacity = 0;
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| 	}
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| 
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| 	void BoxTransition::Update(Duration const& dt)
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| 	{
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| 		Transition::Update(dt);
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| 
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| 		if (process_ < .5f)
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| 		{
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| 			out_layer_prop_.area = Rect(
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| 				window_size_.x * process_,
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| 				window_size_.y * process_,
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| 				window_size_.x * (1 - process_ * 2),
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| 				window_size_.y * (1 - process_ * 2)
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| 			);
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| 		}
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| 		else
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| 		{
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| 			out_layer_prop_.opacity = 0;
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| 			in_layer_prop_.opacity = 1;
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| 			in_layer_prop_.area = Rect(
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| 				window_size_.x * (1 - process_),
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| 				window_size_.y * (1 - process_),
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| 				window_size_.x * (2 * process_ - 1),
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| 				window_size_.y * (2 * process_ - 1)
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| 			);
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| 		}
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| 	}
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| 
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| 	//-------------------------------------------------------
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| 	// EmergeTransition
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| 	//-------------------------------------------------------
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| 
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| 	EmergeTransition::EmergeTransition(Duration const& duration)
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| 		: Transition(duration)
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| 	{
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| 	}
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| 
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| 	void EmergeTransition::Init(spScene const& prev, spScene const& next)
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| 	{
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| 		Transition::Init(prev, next);
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| 
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| 		out_layer_prop_.opacity = 1;
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| 		in_layer_prop_.opacity = 0;
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| 	}
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| 
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| 	void EmergeTransition::Update(Duration const& dt)
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| 	{
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| 		Transition::Update(dt);
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| 
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| 		out_layer_prop_.opacity = 1 - process_;
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| 		in_layer_prop_.opacity = process_;
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| 	}
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| 
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| 	//-------------------------------------------------------
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| 	// FadeTransition
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| 	//-------------------------------------------------------
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| 
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| 	FadeTransition::FadeTransition(Duration const& duration)
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| 		: Transition(duration)
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| 	{
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| 	}
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| 
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| 	void FadeTransition::Init(spScene const& prev, spScene const& next)
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| 	{
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| 		Transition::Init(prev, next);
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| 
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| 		out_layer_prop_.opacity = 1;
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| 		in_layer_prop_.opacity = 0;
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| 	}
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| 
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| 	void FadeTransition::Update(Duration const& dt)
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| 	{
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| 		Transition::Update(dt);
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| 
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| 		if (process_ < 0.5)
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| 		{
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| 			out_layer_prop_.opacity = 1 - process_ * 2;
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| 			in_layer_prop_.opacity = 0;
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| 		}
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| 		else
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| 		{
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| 			out_layer_prop_.opacity = 0;
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| 			in_layer_prop_.opacity = (process_ - 0.5f) * 2;
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| 		}
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| 	}
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| 
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| 	//-------------------------------------------------------
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| 	// MoveTransition
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| 	//-------------------------------------------------------
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| 
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| 	MoveTransition::MoveTransition(Duration const& duration, Direction direction)
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| 		: Transition(duration)
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| 		, direction_(direction)
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| 	{
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| 	}
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| 
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| 	void MoveTransition::Init(spScene const& prev, spScene const& next)
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| 	{
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| 		Transition::Init(prev, next);
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| 
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| 		switch (direction_)
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| 		{
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| 		case Direction::Up:
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| 			pos_delta_ = Point(0, -window_size_.y);
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| 			start_pos_ = Point(0, window_size_.y);
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| 			break;
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| 		case Direction::Down:
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| 			pos_delta_ = Point(0, window_size_.y);
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| 			start_pos_ = Point(0, -window_size_.y);
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| 			break;
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| 		case Direction::Left:
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| 			pos_delta_ = Point(-window_size_.x, 0);
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| 			start_pos_ = Point(window_size_.x, 0);
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| 			break;
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| 		case Direction::Right:
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| 			pos_delta_ = Point(window_size_.x, 0);
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| 			start_pos_ = Point(-window_size_.x, 0);
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| 			break;
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| 		}
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| 
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| 		if (out_scene_)
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| 		{
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| 			out_scene_->SetTransform(Transform{});
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| 		}
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| 
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| 		if (in_scene_)
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| 		{
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| 			auto transform = Transform{};
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| 			transform.position = start_pos_;
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| 			in_scene_->SetTransform(transform);
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| 		}
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| 	}
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| 
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| 	void MoveTransition::Update(Duration const& dt)
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| 	{
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| 		Transition::Update(dt);
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| 
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| 		if (out_scene_)
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| 		{
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| 			auto transform = Transform{};
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| 			transform.position = pos_delta_ * process_;
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| 			out_scene_->SetTransform(transform);
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| 		}
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| 
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| 		if (in_scene_)
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| 		{
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| 			auto transform = Transform{};
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| 			transform.position = start_pos_ + pos_delta_ * process_;
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| 			in_scene_->SetTransform(transform);
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| 		}
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| 	}
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| 
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| 	void MoveTransition::Reset()
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| 	{
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| 		if (out_scene_)
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| 		{
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| 			out_scene_->SetTransform(Transform{});
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| 		}
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| 
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| 		if (in_scene_)
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| 		{
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| 			in_scene_->SetTransform(Transform{});
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| 		}
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| 	}
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| 
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| 	//-------------------------------------------------------
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| 	// RotationTransition
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| 	//-------------------------------------------------------
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| 
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| 	RotationTransition::RotationTransition(Duration const& duration, float rotation)
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| 		: Transition(duration)
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| 		, rotation_(rotation)
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| 	{
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| 	}
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| 
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| 	void RotationTransition::Init(spScene const& prev, spScene const& next)
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| 	{
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| 		Transition::Init(prev, next);
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| 
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| 		auto transform = Transform{};
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| 		transform.position = Point{ window_size_.x / 2, window_size_.y / 2 };
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| 
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| 		if (out_scene_)
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| 		{
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| 			out_scene_->SetTransform(transform);
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| 			out_scene_->SetPivot(0.5f, 0.5f);
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| 		}
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| 
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| 		if (in_scene_)
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| 		{
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| 			in_scene_->SetTransform(transform);
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| 			in_scene_->SetPivot(0.5f, 0.5f);
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| 		}
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| 
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| 		in_layer_prop_.opacity = 0;
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| 	}
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| 
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| 	void RotationTransition::Update(Duration const& dt)
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| 	{
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| 		Transition::Update(dt);
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| 
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| 		if (process_ < .5f)
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| 		{
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| 			if (out_scene_)
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| 			{
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| 				auto transform = out_scene_->GetTransform();
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| 				transform.scale = Point{ (.5f - process_) * 2, (.5f - process_) * 2 };
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| 				transform.rotation = rotation_ * (.5f - process_) * 2;
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| 				out_scene_->SetTransform(transform);
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| 			}
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| 		}
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| 		else
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| 		{
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| 			if (in_scene_)
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| 			{
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| 				out_layer_prop_.opacity = 0;
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| 				in_layer_prop_.opacity = 1;
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| 
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| 				auto transform = in_scene_->GetTransform();
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| 				transform.scale = Point{ (process_ - .5f) * 2, (process_ - .5f) * 2 };
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| 				transform.rotation = rotation_ * (process_ - .5f) * 2;
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| 
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| 				in_scene_->SetTransform(transform);
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| 			}
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| 		}
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| 	}
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| 
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| 	void RotationTransition::Reset()
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| 	{
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| 		if (out_scene_)
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| 		{
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| 			out_scene_->SetTransform(Transform{});
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| 			out_scene_->SetPivot(0.f, 0.f);
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| 		}
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| 
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| 		if (in_scene_)
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| 		{
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| 			in_scene_->SetTransform(Transform{});
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| 			in_scene_->SetPivot(0.f, 0.f);
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| 		}
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| 	}
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| }
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