What it does
MouseExists reads from an Input-Raw object without changing it. It takes no arguments, and answers an integer.
Syntax
MouseExists() → integerParameters
No parameters.
Every form returns
integer
Example · generated
DO Print(MouseExists()) Sync()LOOPMouseExists is called and its answer is printed every frame. The DO … LOOP is not decoration: a classic BASIC program ends the moment it runs out of lines, and Sync() is what draws the frame.