Input类 参考

输入管理类（单例） 更多...

#include <Input.h>

Public 成员函数
bool	isKeyDown (const KeyCode code)
	按键刚按下（仅一帧为 true）
bool	isKeyPressed (const KeyCode code)
	按键被持续按住
bool	isKeyReleased (const KeyCode code)
	按键刚松开
bool	isMouseButtonDown (const MouseButton code)
	鼠标按键刚按下
bool	isMouseButtonPressed (const MouseButton code)
	鼠标按键持续按住
bool	isMouseButtonReleased (const MouseButton code)
	鼠标按键刚松开
Vector2	getMousePosition ()
	鼠标当前位置
void	update ()
	帧末更新，把当前帧状态移入上一帧
void	handleEvent (const SDL_Event &event)
	处理 SDL 输入事件

静态 Public 成员函数
static Input &	GetInstance ()
static bool	IsKeyDown (const KeyCode code)
static bool	IsKeyPressed (const KeyCode code)
static bool	IsKeyReleased (const KeyCode code)
static bool	IsMouseButtonDown (const MouseButton code)
static bool	IsMouseButtonPressed (const MouseButton code)
static bool	IsMouseButtonReleased (const MouseButton code)
static void	HandleEvent (const SDL_Event &event)
static void	Update ()
static Vector2	GetMousePosition ()

详细描述

输入管理类（单例）

提供键盘鼠标的三态检测（Down / Pressed / Released）和鼠标位置查询。 所有 API 均为静态方法。

命名提醒： IsKeyDown = 刚按下（瞬间） IsKeyPressed = 持续按住（每帧 true 直至松开） IsKeyReleased= 松开（瞬间）

成员函数说明

GetInstance()

Input & GetInstance ( )

static

GetMousePosition()

Vector2 GetMousePosition ( )

inlinestatic

getMousePosition()

Vector2 getMousePosition

(

)

鼠标当前位置

HandleEvent()

void HandleEvent ( const SDL_Event & event )

inlinestatic

handleEvent()

void handleEvent

(

const SDL_Event &

event

)

处理 SDL 输入事件

IsKeyDown()

bool IsKeyDown ( const KeyCode code )

inlinestatic

isKeyDown()

bool isKeyDown

(

const KeyCode

code

)

按键刚按下（仅一帧为 true）

IsKeyPressed()

bool IsKeyPressed ( const KeyCode code )

inlinestatic

isKeyPressed()

bool isKeyPressed

(

const KeyCode

code

)

按键被持续按住

IsKeyReleased()

bool IsKeyReleased ( const KeyCode code )

inlinestatic

isKeyReleased()

bool isKeyReleased

(

const KeyCode

code

)

按键刚松开

IsMouseButtonDown()

bool IsMouseButtonDown ( const MouseButton code )

inlinestatic

isMouseButtonDown()

bool isMouseButtonDown

(

const MouseButton

code

)

鼠标按键刚按下

IsMouseButtonPressed()

bool IsMouseButtonPressed ( const MouseButton code )

inlinestatic

isMouseButtonPressed()

bool isMouseButtonPressed

(

const MouseButton

code

)

鼠标按键持续按住

IsMouseButtonReleased()

bool IsMouseButtonReleased ( const MouseButton code )

inlinestatic

isMouseButtonReleased()

bool isMouseButtonReleased

(

const MouseButton

code

)

鼠标按键刚松开

Update()

void Update ( )

inlinestatic

update()

void update

(

)

帧末更新，把当前帧状态移入上一帧

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该类的文档由以下文件生成:

• ShitEngine/Input/Input.h