/usr/include/claw/tween/single_tweener.hpp is in libclaw-tween-dev 1.7.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
/**
* \file claw/tween/single_tweener.hpp
* \brief A single_tweener makes a value to evolve through time from a initial
* value to an end value according to a given function.
* \author Julien Jorge
*/
#ifndef __CLAW_TWEEN_SINGLE_TWEENER_HPP__
#define __CLAW_TWEEN_SINGLE_TWEENER_HPP__
#include <claw/tween/base_tweener.hpp>
#include <claw/tween/easing/easing_none.hpp>
#include <boost/function.hpp>
namespace claw
{
namespace tween
{
/**
* \brief A single_tweener makes a value to evolve through time from a
* initial value to an end value according to a given function.
* \author Julien Jorge
* \sa \ref tweeners
*/
class single_tweener:
public base_tweener
{
public:
/** \brief The type of the function called when the single_tweener is
updated. */
typedef boost::function<void (double)> update_function;
/** \brief The type of the function used to compute the new value. */
typedef boost::function<double (double)> easing_function;
public:
single_tweener();
single_tweener
( double init, double end, double duration, update_function callback,
easing_function e );
single_tweener
( double& val, double end, double duration, easing_function e );
double get_init() const;
void set_init( double v );
double get_end() const;
void set_end( double v );
double get_duration() const;
void set_duration( double v );
void set_callback( update_function f );
void set_easing( easing_function f );
double get_value() const;
private:
single_tweener* do_clone() const;
bool do_is_finished() const;
double do_update( double dt );
private:
/** \brief The initial value. */
double m_init;
/** \brief The final value. */
double m_end;
/** \brief The current date in the timeline of the single_tweener. */
double m_date;
/** \brief The total duration of the single_tweener. */
double m_duration;
/** \brief The function called when the single_tweener is updated. */
update_function m_callback;
/** \brief The function used to compute the new value. */
easing_function m_easing;
}; // class single_tweener
} // namespace tween
} // namespace claw
#endif // __CLAW_TWEEN_SINGLE_TWEENER_HPP__
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