supertux
screen_fade.hpp
1 // SuperTux
2 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
3 //
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
16 
17 #ifndef HEADER_SUPERTUX_SUPERTUX_SCREEN_FADE_HPP
18 #define HEADER_SUPERTUX_SUPERTUX_SCREEN_FADE_HPP
19 
20 class DrawingContext;
21 
28 {
29 public:
30  enum class FadeType
31  {
32  NONE,
33  FADE,
34  CIRCLE
35  };
36 
37  virtual ~ScreenFade() {}
38 
40  virtual bool done() const = 0;
41 
45  virtual void draw(DrawingContext& context) = 0;
46 
49  virtual void update(float dt_sec) = 0;
50 };
51 
52 #endif
53 
54 /* EOF */
virtual void draw(DrawingContext &context)=0
gets called once per frame.
virtual void update(float dt_sec)=0
gets called for once (per logical) frame.
virtual bool done() const =0
returns true if the effect is completed
This class provides functions for drawing things on screen.
Definition: drawing_context.hpp:42
Screen to be displayed simultaneously with another Screen.
Definition: screen_fade.hpp:27