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Key

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[[Category:functions]] [[Category:functions]]
 +[[Category:programinteraction]]
==Definition== ==Definition==

Revision as of 00:26, 26 June 2007


Contents

Definition

INT Key( <INT scancode> )

Checks if a certain key is being pressed.

Parameters

INT scancode - The scancode of the key to be checked.

Returns

INT : true/false: Whether the key is being pressed.

Notes

Take a look at the scancodes for a complete list.

Example 

Program input_test;
Begin

    While( !key(_esc) )

        delete_text();

        if( key(_left) && !key(_right) )  
            write(0,160,120,4, "LEFT");
        end;
     
        if( key(_right) && !key(_left) ) 
            write(0,160,120,4, "RIGHT"); 
        end;

        frame;

    End;

    exit();

End

Used in example: delete_text(), write(), exit()

This will output the words LEFT or RIGHT according to the keys you press, or it will quit the program once ESCAPE is pressed.

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