4 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
5 // Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License
9 // as published by the Free Software Foundation; either version 2
10 // of the License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include "sprite_particle.hpp"
29 SpriteParticle::SpriteParticle(std::string sprite_name, std::string action, Vector position, AnchorPoint anchor, Vector velocity, Vector acceleration, int drawing_layer)
30 : position(position), velocity(velocity), acceleration(acceleration), drawing_layer(drawing_layer)
32 sprite = sprite_manager->create(sprite_name);
33 if (!sprite) throw std::runtime_error("Could not load sprite "+sprite_name);
34 sprite->set_action(action, 1);
35 sprite->set_animation_loops(1); //TODO: this is necessary because set_action will not set "loops" when "action" is the default action
37 this->position -= get_anchor_pos(sprite->get_current_hitbox(), anchor);
40 SpriteParticle::~SpriteParticle()
46 SpriteParticle::hit(Player& )
51 SpriteParticle::update(float elapsed_time)
53 // die when animation is complete
54 if (sprite->animation_done()) {
59 // calculate new position and velocity
60 position.x += velocity.x * elapsed_time;
61 position.y += velocity.y * elapsed_time;
62 velocity.x += acceleration.x * elapsed_time;
63 velocity.y += acceleration.y * elapsed_time;
65 // die when too far offscreen
66 Vector camera = Sector::current()->camera->get_translation();
67 if ((position.x < camera.x - 128) || (position.x > SCREEN_WIDTH + camera.x + 128) ||
68 (position.y < camera.y - 128) || (position.y > SCREEN_HEIGHT + camera.y + 128)) {
75 SpriteParticle::draw(DrawingContext& context)
77 sprite->draw(context, position, drawing_layer);