488 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			488 lines
		
	
	
		
			10 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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| #pragma once
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| #include "Action.hpp"
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| #include "logs.h"
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| #include "../math/ease.hpp"
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| 
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| namespace easy2d
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| {
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| 	// 缓动函数枚举
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| 	// See https://easings.net for more information
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| 	enum class EaseFunc
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| 	{
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| 		Linear,			// 线性
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| 		EaseIn,			// 由慢变快
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| 		EaseOut,		// 由快变慢
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| 		EaseInOut,		// 由慢变快, 再由快变慢
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| 		ExpoIn,			// 由慢变极快
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| 		ExpoOut,		// 由极快变慢
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| 		ExpoInOut,		// 由慢至极快, 再由极快边慢
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| 		ElasticIn,		// 自起点赋予弹性
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| 		ElasticOut,		// 自终点赋予弹性
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| 		ElasticInOut,	// 再起点和终点赋予弹性
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| 		BounceIn,		// 自起点赋予反弹力
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| 		BounceOut,		// 自终点赋予反弹力
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| 		BounceInOut,	// 在起点和终点赋予反弹力
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| 		BackIn,
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| 		BackOut,
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| 		BackInOut,
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| 		QuadIn,
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| 		QuadOut,
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| 		QuadInOut,
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| 		CubicIn,
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| 		CubicOut,
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| 		CubicInOut,
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| 		QuartIn,
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| 		QuartOut,
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| 		QuartInOut,
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| 		QuintIn,
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| 		QuintOut,
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| 		QuintInOut,
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| 		SineIn,
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| 		SineOut,
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| 		SineInOut,
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| 	};
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| 
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| 	// 缓动函数
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| 	using EaseFunction = std::function<float(float)>;
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| 
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| 	inline EaseFunction MakeEaseIn(float rate) { return std::bind(math::EaseIn, std::placeholders::_1, rate); }
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| 	inline EaseFunction MakeEaseOut(float rate) { return std::bind(math::EaseOut, std::placeholders::_1, rate); }
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| 	inline EaseFunction MakeEaseInOut(float rate) { return std::bind(math::EaseInOut, std::placeholders::_1, rate); }
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| 	inline EaseFunction MakeEaseElasticIn(float period) { return std::bind(math::EaseElasticIn, std::placeholders::_1, period); }
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| 	inline EaseFunction MakeEaseElasticOut(float period) { return std::bind(math::EaseElasticOut, std::placeholders::_1, period); }
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| 	inline EaseFunction MakeEaseElasticInOut(float period) { return std::bind(math::EaseElasticInOut, std::placeholders::_1, period); }
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| 
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| 
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| 	// 补间动画
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| 	class Tween
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| 		: public Action
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| 	{
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| 	public:
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| 		Tween();
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| 
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| 		explicit Tween(
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| 			Duration const& duration,
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| 			EaseFunc func
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| 		);
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| 
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| 		// 设置缓动函数
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| 		void SetEaseFunction(
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| 			EaseFunc func
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| 		);
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| 
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| 		// 自定义缓动函数
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| 		void SetEaseFunction(
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| 			EaseFunction func
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| 		);
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| 
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| 		virtual void Reset() override;
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| 
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| 		Duration const& GetDuration() const;
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| 
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| 		void SetDuration(Duration const& duration);
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void Update(Node* target, Duration const& dt) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) = 0;
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| 
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| 	protected:
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| 		Duration     duration_;
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| 		Duration     elapsed_;
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| 		EaseFunc     ease_type_;
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| 		EaseFunction ease_func_;
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| 	};
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| 
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| 
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| 	// 相对位移动作
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| 	class MoveBy
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| 		: public Tween
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| 	{
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| 	public:
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| 		explicit MoveBy(
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| 			Duration const& duration,			/* 持续时长 */
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| 			Point const& vector,				/* 移动距离 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override;
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) override;
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| 
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| 	protected:
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| 		Point	start_pos_;
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| 		Point	prev_pos_;
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| 		Point	delta_pos_;
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| 	};
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| 
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| 
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| 	// 位移动作
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| 	class MoveTo
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| 		: public MoveBy
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| 	{
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| 	public:
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| 		explicit MoveTo(
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| 			Duration const& duration,			/* 持续时长 */
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| 			Point const& pos,					/* 目的坐标 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override
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| 		{
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| 			logs::Errorln("Reverse() not supported in MoveTo");
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| 			return nullptr;
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| 		}
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 	protected:
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| 		Point end_pos_;
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| 	};
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| 
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| 
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| 	// 相对跳跃动作
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| 	class JumpBy
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| 		: public Tween
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| 	{
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| 	public:
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| 		explicit JumpBy(
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| 			Duration const& duration,			/* 持续时长 */
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| 			Point const& vec,					/* 跳跃距离 */
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| 			float height,						/* 跳跃高度 */
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| 			int jumps = 1,						/* 跳跃次数 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override;
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) override;
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| 
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| 	protected:
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| 		Point	start_pos_;
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| 		Point	delta_pos_;
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| 		float	height_;
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| 		int		jumps_;
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| 		Point	prev_pos_;
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| 	};
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| 
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| 
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| 	// 跳跃动作
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| 	class JumpTo
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| 		: public JumpBy
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| 	{
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| 	public:
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| 		explicit JumpTo(
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| 			Duration const& duration,			/* 持续时长 */
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| 			Point const& pos,					/* 目的坐标 */
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| 			float height,						/* 跳跃高度 */
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| 			int jumps = 1,						/* 跳跃次数 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override
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| 		{
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| 			logs::Errorln("Reverse() not supported in JumpTo");
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| 			return nullptr;
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| 		}
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 	protected:
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| 		Point end_pos_;
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| 	};
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| 
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| 
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| 	// 相对缩放动作
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| 	class ScaleBy
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| 		: public Tween
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| 	{
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| 	public:
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| 		explicit ScaleBy(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float scale,						/* 相对变化值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		explicit ScaleBy(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float scale_x,						/* 横向缩放相对变化值 */
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| 			float scale_y,						/* 纵向缩放相对变化值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override;
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) override;
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| 
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| 	protected:
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| 		float	start_scale_x_;
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| 		float	start_scale_y_;
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| 		float	delta_x_;
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| 		float	delta_y_;
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| 	};
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| 
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| 
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| 	// 缩放动作
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| 	class ScaleTo
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| 		: public ScaleBy
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| 	{
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| 	public:
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| 		explicit ScaleTo(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float scale,						/* 目标值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		explicit ScaleTo(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float scale_x,						/* 横向缩放目标值 */
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| 			float scale_y,						/* 纵向缩放目标值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override
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| 		{
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| 			logs::Errorln("Reverse() not supported in ScaleTo");
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| 			return nullptr;
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| 		}
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 	protected:
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| 		float	end_scale_x_;
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| 		float	end_scale_y_;
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| 	};
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| 
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| 
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| 	// 透明度相对渐变动作
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| 	class OpacityBy
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| 		: public Tween
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| 	{
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| 	public:
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| 		explicit OpacityBy(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float opacity,						/* 相对变化值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override;
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) override;
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| 
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| 	protected:
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| 		float start_val_;
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| 		float delta_val_;
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| 	};
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| 
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| 
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| 	// 透明度渐变动作
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| 	class OpacityTo
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| 		: public OpacityBy
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| 	{
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| 	public:
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| 		explicit OpacityTo(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float opacity,						/* 目标值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override
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| 		{
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| 			logs::Errorln("Reverse() not supported in OpacityTo");
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| 			return nullptr;
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| 		}
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 	protected:
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| 		float end_val_;
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| 	};
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| 
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| 
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| 	// 淡入动作
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| 	class FadeIn
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| 		: public OpacityTo
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| 	{
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| 	public:
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| 		// 创建淡入动作
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| 		explicit FadeIn(
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| 			Duration const& duration,			/* 持续时长 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 	};
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| 
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| 
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| 	// 淡出动作
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| 	class FadeOut
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| 		: public OpacityTo
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| 	{
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| 	public:
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| 		// 创建淡出动作
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| 		explicit FadeOut(
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| 			Duration const& duration,			/* 持续时长 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 	};
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| 
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| 
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| 	// 相对旋转动作
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| 	class RotateBy
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| 		: public Tween
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| 	{
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| 	public:
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| 		explicit RotateBy(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float rotation,						/* 相对变化值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override;
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) override;
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| 
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| 	protected:
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| 		float start_val_;
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| 		float delta_val_;
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| 	};
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| 
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| 
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| 	// 旋转动作
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| 	class RotateTo
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| 		: public RotateBy
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| 	{
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| 	public:
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| 		explicit RotateTo(
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| 			Duration const& duration,			/* 持续时长 */
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| 			float rotation,						/* 目标值 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override
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| 		{
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| 			logs::Errorln("Reverse() not supported in RotateTo");
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| 			return nullptr;
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| 		}
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 	protected:
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| 		float end_val_;
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| 	};
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| 
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| 
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| 	// 路径动作
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| 	class PathAction
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| 		: public Tween
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| 	{
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| 	public:
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| 		explicit PathAction(
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| 			Duration const& duration,			/* 持续时长 */
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| 			SpGeometry const& geo,				/* 几何图形 */
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| 			bool rotating = false,				/* 沿路径切线方向旋转 */
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| 			float start = 0.f,					/* 起点 */
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| 			float end = 1.f,					/* 终点 */
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| 			EaseFunc func = EaseFunc::Linear	/* 速度变化 */
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| 		);
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| 
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| 		// 获取该动作的拷贝对象
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| 		virtual SpAction Clone() const override;
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| 
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| 		// 获取该动作的倒转
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| 		virtual SpAction Reverse() const override;
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| 
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| 	protected:
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| 		virtual void Init(Node* target) override;
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| 
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| 		virtual void UpdateStep(Node* target, float step) override;
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| 
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| 	protected:
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| 		bool		rotating_;
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| 		float		start_;
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| 		float		end_;
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| 		Point		start_pos_;
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| 		SpGeometry	geo_;
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| 	};
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| }
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