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111 lines
4 KiB
Markdown
111 lines
4 KiB
Markdown
The **STICK** function returns the directional axis coordinate move of game port (&H201) joystick or USB controller devices.
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## Syntax
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> coordinate_move% = STICK(direction%)
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## QB64 Syntax
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> coordinate_move% = STICK(*direction%*[, *axis_number%*])
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## Description
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* **QB64** allows any number of coordinate pairs for more than two game device controllers. STICK will not read a mouse axis.
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* *axis_number* can be used as the next axis parameter for controllers with multiple axis using the SAME *directional* parameters.
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* The *axis_number* 1 can be omitted for the main stick column and row parameter reads.
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* Point of view "hats" also have 2 axis. Slide, turn or twist controls have one. The device determines the order of the axis.
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* Returns coordinate values from 1 to 254. QBasic only returned values from 1 to 200.
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* STICK(0) is required to get values from the other STICK functions. Always read it first!
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```text
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**STICK(0) returns the column coordinate of device 1. Enables reads of the other STICK values.**
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**STICK(1) returns row coordinate of device 1.**
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STICK(2) returns column coordinate of device 2. (second joystick if used)
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STICK(3) returns row coordinate of device 2 if used. (QBasic maximum was 2 controllers)
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**STICK(4) returns column coordinate of device 3. (other joysticks if used in QB64 only!)**
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**STICK(5) returns row coordinate of device 3 if used.**
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```
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* **QB64** allows more joysticks by extending the numbers in pairs like device 3 above. EX: STICK(6): STICK(7) 'device 4
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* **QB64** allows a dual stick to be read using the same first parameters and 2 as the second parameter. EX: STICK(0, 2)
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* **There will not be an error if you try to read too many device axis or buttons!**
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## Example(s)
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Displays the input from 3 joysticks, all with dual sticks and 3 buttons.
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```vb
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DO: _LIMIT 10
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LOCATE 1, 1
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PRINT "JOY1: STICK"; STICK(0); STICK(1); STICK(0, 2); STICK(1, 2);_
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"STRIG"; STRIG(0); STRIG(1); STRIG(4); STRIG(5); STRIG(8); STRIG(9)
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PRINT "JOY2: STICK"; STICK(2); STICK(3); STICK(2, 2); STICK(3, 2);_
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"STRIG"; STRIG(2); STRIG(3); STRIG(6); STRIG(7); STRIG(10); STRIG(11)
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PRINT "JOY3: STICK"; STICK(4); STICK(5); STICK(4, 2); STICK(5, 2);_
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"STRIG"; STRIG(0, 3); STRIG(1, 3); STRIG(4, 3); STRIG(5, 3); STRIG(8, 3); STRIG(9, 3)
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LOOP UNTIL INKEY$ > ""
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```
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> *Explanation:* Notice the extra **QB64 only** parameters used to cater for the 2nd stick and the buttons of the 3rd joystick.
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Displays the Sidewinder Precision Pro Stick, Slider, Z Axis, and Hat Point of View.
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```vb
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SCREEN 12
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d = _DEVICES
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PRINT "Number of input devices found ="; d
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FOR i = 1 TO d
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PRINT _DEVICE$(i)
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buttons = _LASTBUTTON(i)
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PRINT "Buttons:"; buttons
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NEXT
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DO: _LIMIT 50
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LOCATE 10, 1
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PRINT " X Main Y Slider Z-axis POV"
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PRINT STICK(0, 1), STICK(1, 1), STICK(0, 2), STICK(1, 2), STICK(0, 3); STICK(1, 3); " "
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PRINT " Buttons"
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FOR i = 0 TO 4 * buttons - 1 STEP 4
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PRINT STRIG(i); STRIG(i + 1); CHR$(219);
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NEXT
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PRINT
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LOOP UNTIL INKEY$ <> ""
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```
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> *Explanation:* Each axis on the first controller found is either STICK(0, n) or STICK(1, n) with n increasing when necessary.
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```text
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Number of input devices found = 3
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[KEYBOARD][BUTTON]]
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Buttons: 512
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[MOUSE][BUTTON][AXIS][WHEEL]
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Buttons: 3
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[CONTROLLER][NAME][Microsoft Sidewinder Precision Pro (USB)](NAME][Microsoft-Sidewinder-Precision-Pro-(USB))[BUTTON][AXIS]
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Buttons: 9
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X Main Y Slider Z-axis POV
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127 127 254 127 127 127
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Buttons
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-0 -1 █ 0 0 █ 0 0 █ 0 0 █ 0 0 █ 0 0 █ 0 0 █ 0 0 █ 0 0 █
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```
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> *Note:* A Sidewinder Precision Pro requires that pins 2 and 7(blue and purple) be connected together for digital USB recognition.
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## See Also
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* [STRIG](STRIG) (function)
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* [ON STRIG(n)](ON-STRIG(n))
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* [_DEVICES](_DEVICES), [_DEVICE$](_DEVICE$), [_LASTBUTTON](_LASTBUTTON)
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* [Single and Dual Stick Controllers](http://en.wikipedia.org/wiki/Analog_stick)
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