Returns true if the key it’s checking is pressed and false if not.
keyIsDown() is helpful when checking for multiple different key presses. For example, keyIsDown() can be used to check if both LEFT_ARROW and UP_ARROW are pressed:
if (keyIsDown(LEFT_ARROW) && keyIsDown(UP_ARROW)) {
// Move diagonally.
}
keyIsDown() can check for key presses using keyCode values, as in keyIsDown(37) or keyIsDown(LEFT_ARROW). Key codes can be found on websites such as keycode.info.
Examples
Syntax
keyIsDown(code)
Parameters
code
Number:
key to check.
Returns
Boolean: whether the key is down or not.
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Related References
key
A String system variable that contains the value of the last key typed.
keyCode
A Number system variable that contains the code of the last key typed.
keyIsDown
Returns true if the key it’s checking is pressed and false if not.
keyIsPressed
A Boolean system variable that's true if any key is currently pressed and false if not.