feat:二维向量类，Animation类

TdGame/TdGame/TdGame.vcxproj

@@ -136,6 +136,7 @@
     <ClCompile Include="main.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="animation.h" />
     <ClInclude Include="config_manager.h" />
     <ClInclude Include="enemy_type.h" />
     <ClInclude Include="game_manager.h" />
@@ -145,6 +146,7 @@
     <ClInclude Include="route.h" />
     <ClInclude Include="tile.h" />
     <ClInclude Include="timer.h" />
+    <ClInclude Include="vector2.h" />
     <ClInclude Include="wave.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

TdGame/TdGame/TdGame.vcxproj.filters

@@ -62,5 +62,11 @@
     <ClInclude Include="timer.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="animation.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="vector2.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

TdGame/TdGame/animation.h

@@ -0,0 +1,109 @@
+#pragma once
+#ifndef  _ANIMATION_H_
+#define _ANIMATION_H_
+
+#include "timer.h"
+
+#include <SDL.h>
+#include <vector>
+#include <functional>
+
+
+class Animation
+{
+public:
+	//<2F><>ʾһ<CABE><D2BB><EFBFBD><EFBFBD><EFBFBD>Դ洢<D4B4>͵<EFBFBD><CDB5><EFBFBD><EFBFBD>޲<EFBFBD><DEB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޷<EFBFBD><DEB7><EFBFBD>ֵ<EFBFBD>Ŀɵ<C4BF><C9B5>ö<EFBFBD><C3B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD>
+	typedef std::function<void()> PlayCallBack;
+public:
+	Animation()
+	{
+		timer.set_one_shot(false);
+		timer.set_on_timeout
+		(
+			//[&]<5D><>ʾ lambda <20><><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><C3B2><EFBFBD><EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> lambda <20><><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>ʹ<EFBFBD>ò<EFBFBD><C3B2>޸<EFBFBD><DEB8><EFBFBD>Щ<EFBFBD><D0A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			[&]()
+			{
+				idx_frame++;
+				if (idx_frame >= rect_src_list.size())
+				{
+					idx_frame = is_loop ? 0 : rect_src_list.size() - 1;
+					if (!is_loop && on_finished)
+						on_finished();
+				}
+			}
+		);
+	}
+	~Animation() = default;
+	
+	void reset()
+	{
+		timer.restart();
+
+		idx_frame = 0;
+	}
+
+	void set_frame_data(SDL_Texture* texture, int num_x, int num_y, const std::vector<int>& idx_list)
+	{
+		int width_tex, height_tex;
+
+		this->texture = texture;
+		SDL_QueryTexture(texture, nullptr, nullptr, &width_tex, &height_tex);
+		width_frame = width_tex / num_x, height_frame = height_tex / num_y;
+
+		rect_src_list.resize(idx_list.size());
+		for (size_t i = 0; i < idx_list.size(); i++)
+		{
+			int idx = idx_list[i];
+			SDL_Rect& rect_src = rect_src_list[i];
+
+			rect_src.x = (idx % num_x) * width_frame;
+			rect_src.y = (idx / num_x) * height_frame;
+			rect_src.w = width_frame; rect_src.h = height_frame;
+		};
+	}
+
+	void set_loop(bool is_loop)
+	{
+		this->is_loop = is_loop;
+	}
+
+	void set_interval(double interval)
+	{
+		timer.set_wait_time(interval);
+	}
+	
+	void set_on_finished(PlayCallBack on_finished)
+	{
+		this->on_finished = on_finished;
+	}
+
+	void on_update(double delta)
+	{
+		timer.on_update(delta);
+	}
+	//<2F><>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱦλ<C8BE>ã<EFBFBD><C3A3>Ƕȣ<C7B6><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
+	void on_render(SDL_Renderer* renderer, const SDL_Point& pos_dst, double angle = 0)const
+	{
+		static SDL_Rect rect_dst;
+		
+		rect_dst.x = pos_dst.x; rect_dst.y = pos_dst.y;
+		rect_dst.w = width_frame; rect_dst.h = height_frame;
+		
+		//<2F><>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD>Σ<EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD><CEA3>Ƕȣ<C7B6><C8A3><EFBFBD>ת<EFBFBD><D7AA><EFBFBD>ĵ<EFBFBD>(Ĭ<><C4AC>1/2)<29><><EFBFBD><EFBFBD>ת
+		SDL_RenderCopyEx(renderer, texture, &rect_src_list[idx_frame], &rect_dst, 0, nullptr, SDL_RendererFlip::SDL_FLIP_NONE);
+	}
+private:
+	Timer timer;
+	//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>
+	bool is_loop = true;
+	//<2F><>¼<EFBFBD><C2BC>ǰ<EFBFBD><C7B0><EFBFBD>ŵڼ<C5B5>֡
+	size_t idx_frame = 0;
+	PlayCallBack on_finished;
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	SDL_Texture* texture = nullptr;
+	std::vector<SDL_Rect> rect_src_list;
+	int width_frame = 0, height_frame = 0;
+};
+
+
+#endif // ! _ANIMATION_H_

TdGame/TdGame/timer.h

@@ -50,6 +50,7 @@ public:
 		{
 			bool can_shot = (!one_shot || (one_shot && !shotted));
 			shotted = true;
+			//<2F><><EFBFBD><EFBFBD><EFBFBD>ܴ<EFBFBD><DCB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD>
 			if (can_shot && on_timeout)
 				on_timeout;
 
@@ -59,16 +60,16 @@ public:
 private:
 	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
 	double pass_time = 0;
-	//<2F>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ǰ<EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD>
 	double wait_time = 0;
 	//<2F><>ע<EFBFBD><D7A2>ʱ<EFBFBD><CAB1><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ͣ
 	bool paused = false;
 
-	//<2F><><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><C7B5>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٴδ<D9B4><CEB4><EFBFBD>
+	//<2F><><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><C7B5>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٴδ<EFBFBD><EFBFBD><EFBFBD>
 	bool shotted = false;
 	//<2F>Ƿ<EFBFBD><C7B7>ǵ<EFBFBD><C7B5>δ<EFBFBD><CEB4><EFBFBD>
 	bool one_shot = false;
-
+	//<2F>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE>ʱӦ<CAB1>ô<EFBFBD><C3B4><EFBFBD>ʲô
 	std::function<void()> on_timeout;
 };
 

TdGame/TdGame/vector2.h

@@ -0,0 +1,88 @@
+#pragma once
+#ifndef _VECTOR2_H_
+#define _VECTOR2_H_
+
+#include <cmath>
+
+class Vector2
+{
+public:
+	double x = 0;
+	double y = 0;
+
+public:
+	Vector2() = default;
+	~Vector2() = default;
+
+	Vector2(double x, double y)
+		:x(x), y(y) {}
+
+	Vector2 operator+(const Vector2& vec) const
+	{
+		return Vector2(x + vec.x, y + vec.y);
+	}
+
+	void operator+=(const Vector2& vec)
+	{
+		x += vec.x; y += vec.y;
+	}
+
+	Vector2 operator-(const Vector2& vec) const
+	{
+		return Vector2(x - vec.x, y - vec.y);
+	}
+
+	void operator-=(const Vector2& vec)
+	{
+		x -= vec.x;	y -= vec.y;
+	}
+
+	Vector2 operator*(const Vector2& vec)const
+	{
+		return Vector2(x * vec.x , y* vec.y);
+	}
+	
+	void operator*=(double val)
+	{
+		x *= val, y *= val;
+	}
+
+	bool operator==(const Vector2& vec)const
+	{
+		return x == vec.x && y == vec.y;
+	}
+
+	bool operator>(const Vector2& vec)const
+	{
+		return length() > vec.length();
+	}
+
+	bool operator<(const Vector2& vec)const
+	{
+		return length() < vec.length();
+	}
+
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	double length() const
+	{
+		return sqrt(x * x + y * y);
+	}
+
+	//<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
+	Vector2 normalize() const
+	{
+		double len = length();
+
+		if (len == 0)
+			return Vector2(0, 0);
+		
+		return Vector2(x / len, y / len);
+	}
+
+	bool approx_zero() const
+	{
+		return length() < 0.00001;	
+	}
+};
+
+#endif