tweener.cpp
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/*
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
*/
#include <claw/tween/tweener.hpp>
#include <claw/tween/base_tweener.hpp>
/*----------------------------------------------------------------------------*/
claw::tween::tweener::tweener()
: m_impl(NULL)
{
} // tweener::tweener()
/*----------------------------------------------------------------------------*/
claw::tween::tweener::tweener( const tweener& that )
: m_impl( that.m_impl == NULL ? NULL : that.m_impl->clone() )
{
} // tweener::tweener()
/*----------------------------------------------------------------------------*/
claw::tween::tweener::tweener( const base_tweener& that )
: m_impl( that.clone() )
{
} // tweener::tweener()
/*----------------------------------------------------------------------------*/
claw::tween::tweener::~tweener()
{
delete m_impl;
} // tweener::~tweener()
/*----------------------------------------------------------------------------*/
claw::tween::tweener& claw::tween::tweener::operator=( const tweener& that )
{
tweener tmp(that);
swap(tmp);
return *this;
} // tweener::operator=()
/*----------------------------------------------------------------------------*/
void claw::tween::tweener::swap( tweener& that ) throw()
{
std::swap(m_impl, that.m_impl);
} // tweener::swap()
/*----------------------------------------------------------------------------*/
bool claw::tween::tweener::is_finished() const
{
if ( m_impl == NULL )
return true;
else
return m_impl->is_finished();
} // tweener::is_finished()
/*----------------------------------------------------------------------------*/
double claw::tween::tweener::update( double dt )
{
if ( m_impl == NULL )
return dt;
else
return m_impl->update(dt);
} // tweener::update()
/*----------------------------------------------------------------------------*/
void claw::tween::tweener::on_finished( finish_callback f )
{
if ( m_impl != NULL )
m_impl->on_finished(f);
} // tweener::on_finished()
/*----------------------------------------------------------------------------*/
template<>
void std::swap( claw::tween::tweener& a, claw::tween::tweener& b )
{
a.swap(b);
} // std::swap()
base_tweener.hpp
Common interface for all tweeners.
claw::clone
Function object that clones a pointer.
Definition functional.hpp:276
claw::tween::base_tweener
Common interface for all tweeners.
Definition base_tweener.hpp:45
claw::tween::tweener
A tweener makes a value to evolve through time from a initial value to an end value according to a gi...
Definition tweener.hpp:49
claw::tween::tweener::tweener
tweener()
Default constructor.
Definition tweener.cpp:37
claw::tween::tweener::is_finished
bool is_finished() const
Tell if the tweener has reached his total duration.
Definition tweener.cpp:100
claw::tween::tweener::swap
void swap(tweener &that)
Swap this instance with a given instance.
Definition tweener.cpp:91
claw::tween::tweener::update
double update(double dt)
Update the tweener of a given amount of time.
Definition tweener.cpp:113
claw::tween::tweener::~tweener
~tweener()
Destructor.
Definition tweener.cpp:69
claw::tween::tweener::on_finished
void on_finished(finish_callback f)
Execute the callbacks notifying about the finish of the tweener.
Definition tweener.cpp:125
claw::tween::tweener::finish_callback
boost::function< void()> finish_callback
The type of the function called to notify the end of the tweener.
Definition tweener.hpp:55
claw::tween::tweener::operator=
tweener & operator=(const tweener &that)
Assignment operator.
Definition tweener.cpp:79
std::swap
void swap(claw::graphic::gif &a, claw::graphic::gif &b)
Swap the content of two gifs.
Definition gif.cpp:235
tweener.hpp
A tweener makes a value to evolve through time from a initial value to an end value according to a gi...