4 // Copyright (C) 2005 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24 Flame::Flame(const lisp::Lisp& reader)
25 : angle(0), radius(100), speed(2), source(0)
27 reader.get("x", start_position.x);
28 reader.get("y", start_position.y);
29 reader.get("radius", radius);
30 reader.get("speed", speed);
31 bbox.set_pos(Vector(start_position.x + cos(angle) * radius,
32 start_position.y + sin(angle) * radius));
33 bbox.set_size(32, 32);
34 sprite = sprite_manager->create("images/creatures/flame.sprite");
44 Flame::write(lisp::Writer& writer)
46 writer.start_list("flame");
48 writer.write_float("x", start_position.x);
49 writer.write_float("y", start_position.y);
50 writer.write_float("radius", radius);
51 writer.write_float("speed", speed);
53 writer.end_list("flame");
57 Flame::active_update(float elapsed_time)
59 angle = fmodf(angle + elapsed_time * speed, 2*M_PI);
60 Vector newpos(start_position.x + cos(angle) * radius,
61 start_position.y + sin(angle) * radius);
62 movement = newpos - get_pos();
64 if (sound_manager->is_sound_enabled())
65 source->set_position(get_pos());
71 if (!sound_manager->is_sound_enabled())
75 source = sound_manager->create_sound_source("sounds/flame.wav");
77 std::cerr << "Couldn't start flame sound.\n";
80 source->set_position(get_pos());
81 source->set_looping(true);
82 source->set_gain(2.0);
83 source->set_reference_distance(32);
99 IMPLEMENT_FACTORY(Flame, "flame")