官方文档
InputSystem可以和旧版输入系统一起使用
设置:Project Settings->Player->Other Settings->Configuration->Active Input Handling
参数可选:Input Manager(old),Input System Package(New),Both
Mouse.current
mouse.position.ReadValue() 类似Input.mousePosition
mouse.leftButton.isPressed 鼠标左键保持按下
mouse.leftButton.wasPressedThisFrame 鼠标左键按下
mouse.leftButton.wasReleasedThisFrame 鼠标左键抬起
mouse.rightButton.isPressed 鼠标右键保持按下
mouse.middleButton.isPressed 鼠标中键保持按下
mouse.scroll.y.ReadValue() 鼠标滚轮滚动值
mouse.delta.ReadValue() 鼠标移动增量 类似 Mouse X 和Mouse Y的组合