Indicates if a mouse device is detected.
Note: This API is part of the legacy Input
class, and not recommended for new projects. The documentation is provided here to support legacy projects that use the old Input Manager and Input class. For new projects you should use the newer and Input System Package. (read more).
On Windows, Android and Metro platforms, this function does actual mouse presence detection, so may return true or false.
On Linux, Mac, WebGL, this function will always return true.
On iOS and console platforms, this function will always return false.