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en:keypressed [2016/08/12 12:24] admin |
en:keypressed [2020/02/28 10:46] |
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- | ===== KeyPressed (Function) ====== | ||
- | ==== Format ==== | ||
- | |||
- | **keypressed** ( [[expressions|expression]] ) | ||
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- | return // | ||
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- | ==== Description ==== | ||
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- | The KeyPressed function returns a true or false value if a key is currently pressed, or returns the number of keys that are currently being pressed. | ||
- | |||
- | See the [[Key|key]] function for a list of common key codes or see [[http:// | ||
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- | ==== Example ==== | ||
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- | < | ||
- | ar_down=16777237 | ||
- | ar_up=16777235 | ||
- | ar_left=16777234 | ||
- | ar_right=16777236 | ||
- | |||
- | fastgraphics | ||
- | x = 150 | ||
- | y = 150 | ||
- | color blue | ||
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- | print "use arrows to move the ball, space to exit" | ||
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- | while not keypressed(32) | ||
- | if keypressed(ar_down) then y = y + 1 | ||
- | if keypressed(ar_up) then y = y - 1 | ||
- | if keypressed(ar_right) then x = x + 1 | ||
- | if keypressed(ar_left) then x = x - 1 | ||
- | # keep x and y in bounds 0-300 | ||
- | x = (x + 300) % 300 | ||
- | y = (y + 300) % 300 | ||
- | # draw ball | ||
- | clg | ||
- | | ||
- | | ||
- | end while | ||
- | </ | ||
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- | ==== See Also ==== | ||
- | {{page> | ||
- | |||
- | ==== History ==== | ||
- | |1.99.99.26|New To Version| |