Claw 1.7.3
base_tweener.hpp
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1/*
2 CLAW - a C++ Library Absolutely Wonderful
3
4 CLAW is a free library without any particular aim but being useful to
5 anyone.
6
7 Copyright (C) 2005-2011 Julien Jorge
8
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 2.1 of the License, or (at your option) any later version.
13
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 contact: julien.jorge@gamned.org
23*/
29#ifndef __CLAW_TWEEN_BASE_TWEENER_HPP__
30#define __CLAW_TWEEN_BASE_TWEENER_HPP__
31
32#include <list>
33#include <boost/function.hpp>
34
35namespace claw
36{
37 namespace tween
38 {
45 {
46 public:
51 typedef boost::function<void ()> finish_callback;
52
53 public:
54 virtual ~base_tweener();
55
56 base_tweener* clone() const;
57
58 bool is_finished() const;
59 double update( double dt );
60
62
63 private:
64 void notify_finished() const;
65
69 virtual base_tweener* do_clone() const = 0;
70
74 virtual bool do_is_finished() const = 0;
75
81 virtual double do_update( double dt ) = 0;
82
83 private:
85 std::list<finish_callback> m_on_finished;
86
87 }; // class base_tweener
88
89 } // namespace tween
90} // namespace claw
91
92#endif // __CLAW_TWEEN_BASE_TWEENER_HPP__
Common interface for all tweeners.
double update(double dt)
Update the base_tweener of a given amount of time.
base_tweener * clone() const
Create a copy of this allocated with new.
virtual ~base_tweener()
Destructor.
void on_finished(finish_callback f)
Execute the callbacks notifying about the finish of the tweener.
boost::function< void()> finish_callback
The type of the function called to notify the end of the tweener.
bool is_finished() const
Tell if the tweener has reached his total duration.
This is the main namespace.
Definition algorithm.hpp:34