Saturday, May 6, 2023

✏ _MOUSEBUTTON and GETMOUSE

For both functions, "1" would be returned to indicate that a mouse button is pressed.

Now, both functions return "-1" (i.e. the system constant TRUE) to indicate that a mouse button is pressed.

Unchanged: a "0" (i.e. the system constant FALSE) is returned to indicate that a mouse button is NOT pressed.

In any previously created BAM programs, you will need to change things like "IF _MOUSEBUTTON = 1" to one of:

  • "IF _MOUSEBUTTON = TRUE"
  • "IF _MOUSEBUTTON = -1"
  • "IF _MOUSEBUTTON"

📚 FUNCTION (and SUB): variable arguments, by default, are "passed by reference"

Preamble A primer on "call-by-reference" vs "call-by-value" BAM HOWTO (BTW:  "call-by-reference" aka "pas...