Detecting down and up states of all keys.

[BartekB]

Is there an efficient way of detecting any key when it is pressed down or released? I tried to use the Control X extension, however there is a bit of a problem with it:
When two or more keys are pressed down at once, only one is written down when you use the "Any key" event.
In addition, when you hold down Q, then W, then E. Releasing W will result in E being released and pressed again. The W will not be mentioned that it was released.

If you were able to loop through each individual key that is currently pressed, it would fix this problem. But I don't think that is possible with the current events, actions and expressions of Control X.

It would also be quite annoying writing down the keys as separate events, an estimate of 100 events :/

Is there any other extension that helps me get around the Control X's problem?

[nivram]

I think there is a keyboard extension that can do that.

Marv

[mobichan]

You could try to bind keys to flags. So if you press your "Up" key, flag 0 is turned ON. When your "UP" key is not pressed, Flag 0 is turned OFF. That way, you are just reading if Flags are ON/OFF and not testing for specific keys. This also means you will have some sort of code to define the keys that control the flags. And I would store the bound keys in alterable strings (Global Strings might be simplest).

[nivram]

Reg. That is really a good idea. I see no disadvantage in this method.

Marv

[Volnaiskra]

You could try to bind keys to flags. So if you press your "Up" key, flag 0 is turned ON. When your "UP" key is not pressed, Flag 0 is turned OFF. That way, you are just reading if Flags are ON/OFF and not testing for specific keys. This also means you will have some sort of code to define the keys that control the flags. And I would store the bound keys in alterable strings (Global Strings might be simplest).

This should work well with ControlX's "value" system, which returns these values for the various keypresses. Polling for keys using values in ControlX is also very CPU efficient - my testing showed it to be about 10 times faster than using strings, as in the regular keyboard object.