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48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
{{QBDLDATE:05-20-2022}}
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{{QBDLTIME:23:08:52}}
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{{DISPLAYTITLE:_LASTAXIS}}
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The [[_LASTAXIS]] function returns the number of axis a specified number INPUT device on your computer has.
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{{PageSyntax}}
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: {{Parameter|axisCount%}} = [[_LASTAXIS]]({{Parameter|deviceNumber}})
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{{PageDescription}}
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* Returns the number of axis that can be read on a specified device number within the number of [[_DEVICES]] found.
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* A valid number can be sent to the [[_AXIS]] function to find any relative axis movements.
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* The devices are listed in a numerical order determined by the OS and can be read by the [[DEVICE$]] function.
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* '''The [[_DEVICES]] function must be read before using _LASTAXIS or an [[ERROR Codes|"Illegal Function Call" error]] will occur.'''
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* Devices include keyboard(1), mouse(2), joysticks, game pads and multiple stick game controllers.
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{{PageExamples}}
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''Example:'' Checking for the system's input devices and number of axis.
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{{CodeStart}}
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devices = {{Cl|_DEVICES}} 'MUST be read in order for other 2 device functions to work!
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PRINT "Number of input devices found ="; devices
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FOR i = 1 TO devices
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PRINT {{Cl|_DEVICE$}}(i)
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IF {{Cl|INSTR}}({{Cl|_DEVICE$}}(i), "[AXIS]") THEN PRINT "Axis:"; {{Cl|_LASTAXIS}}(i)
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NEXT
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{{CodeEnd}}
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{{OutputStart}}Number of input devices found = 2
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[KEYBOARD][BUTTON]
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[MOUSE][BUTTON][AXIS][WHEEL]
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Axis: 2
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{{OutputEnd}}
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:Note: The [[STRIG]]/[[STICK]] commands won't read from the keyboard or mouse device the above example lists.
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{{PageSeeAlso}}
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* [[_LASTBUTTON]], [[_LASTWHEEL]]
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* [[_AXIS]], [[_BUTTON]], [[_WHEEL]]
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* [[_DEVICE$]], [[_DEVICES]]
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* [[_MOUSEBUTTON]]
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* [[STRIG]], [[STICK]]
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* [[ON STRIG(n)]], [[STRIG(n)]]
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{{PageNavigation}}
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