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inputbutton_to_axis_digital.h

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/*
        $Id: inputbutton_to_axis_digital.h,v 1.1 2001/03/06 15:09:11 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------
*/


#ifndef header_inputbutton_to_axis_digital
#define header_inputbutton_to_axis_digital

#include "../Input/inputbutton.h"
#include "../Input/inputaxis.h"

class CL_InputButtonToAxis_Digital : public CL_InputAxis
//: Converts two CL_InputButton's into one digital CL_InputAxis. 
{
        CL_InputButton *left;
        CL_InputButton *right;

public:
        CL_InputButtonToAxis_Digital(
                CL_InputButton *_left,
                CL_InputButton *_right)
        {
                left = _left;
                right = _right;
        }
        //: Constructs a button to axis converter using the two buttons 'left' 
        //: and 'right'.

        virtual float get_pos()
        {
                if (left->is_pressed()) return -1;
                if (right->is_pressed()) return 1;
                return 0;
        }
        //: Returns the axis position.
};

#endif

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