+#endif
+
+/* Flying Platform */
+
+#if 0
+Sprite *img_flying_platform;
+
+FlyingPlatform::FlyingPlatform(LispReader& reader)
+{
+ reader.read_int_vector("x", pos_x);
+ reader.read_int_vector("y", pos_y);
+
+ velocity = 2.0;
+ reader.read_float("velocity", velocity);
+
+ base.x = pos_x[0];
+ base.y = pos_y[0];
+ base.width = 96;
+ base.height = 40;
+
+ point = 0;
+ move = false;
+
+ float x = pos_x[point+1] - pos_x[point];
+ float y = pos_y[point+1] - pos_y[point];
+ vel_x = x*velocity / sqrt(x*x + y*y);
+ vel_y = -(velocity - vel_x);
+
+ frame = 0;
+}
+
+FlyingPlatform::FlyingPlatform(int x, int y)
+{
+base.x = x;
+base.y = y;
+point = 0;
+move = false;
+}
+
+void
+FlyingPlatform::write(LispWriter& writer)
+{
+ writer.start_list("flying-trampoline");
+
+ writer.write_int_vector("x", pos_x);
+ writer.write_int_vector("y", pos_y);
+ writer.write_float("velocity", velocity);
+
+ writer.end_list("flying-trampoline");
+}
+
+void
+FlyingPlatform::draw(DrawingContext& context)
+{
+ img_flying_platform->draw(context, base, LAYER_OBJECTS);
+}
+
+void
+FlyingPlatform::action(float frame_ratio)
+{
+ // TODO: Remove if we're too far off the screen
+
+if(!move)
+ return;
+
+if((unsigned)point+1 != pos_x.size())
+ {
+ if(((pos_x[point+1] > pos_x[point] && base.x >= pos_x[point+1]) ||
+ (pos_x[point+1] < pos_x[point] && base.x <= pos_x[point+1]) ||
+ pos_x[point] == pos_x[point+1]) &&
+ ((pos_y[point+1] > pos_y[point] && base.y >= pos_y[point+1]) ||
+ (pos_y[point+1] < pos_y[point] && base.y <= pos_y[point+1]) ||
+ pos_y[point] == pos_y[point+1]))
+ {
+ point++;
+
+ float x = pos_x[point+1] - pos_x[point];
+ float y = pos_y[point+1] - pos_y[point];
+ vel_x = x*velocity / sqrt(x*x + y*y);
+ vel_y = -(velocity - vel_x);
+ }
+ }
+else // last point
+ {
+ // point = 0;
+ // reverse vector
+ return;
+ }
+/*
+if(pos_x[point+1] > base.x)
+ base.x += velocity * frame_ratio;
+else if(pos_x[point+1] < base.x)
+ base.x -= velocity * frame_ratio;
+
+if(pos_y[point+1] > base.y)
+ base.y += velocity * frame_ratio;
+else if(pos_y[point+1] < base.y)
+ base.y -= velocity * frame_ratio;
+*/
+
+base.x += vel_x * frame_ratio;
+base.y += vel_y * frame_ratio;
+}
+
+void
+FlyingPlatform::collision(const MovingObject&, int)
+{
+ // comes later
+}
+
+void
+FlyingPlatform::collision(void *p_c_object, int c_object, CollisionType type)
+{
+(void) p_c_object;
+(void) type;
+
+// Player* pplayer_c = NULL;
+ switch (c_object)
+ {
+ case CO_PLAYER:
+// pplayer_c = (Player*) p_c_object;
+ move = true;
+
+ break;
+
+ default:
+ break;
+
+ }
+}
+#endif
+
+Sprite *img_smoke_cloud = 0;
+
+SmokeCloud::SmokeCloud(const Vector& pos)
+ : position(pos)
+{
+ timer.start(.3);
+}
+
+void
+SmokeCloud::action(float elapsed_time)
+{
+ position.y -= 120 * elapsed_time;
+
+ if(timer.check())
+ remove_me();
+}
+
+void
+SmokeCloud::draw(DrawingContext& context)
+{
+ img_smoke_cloud->draw(context, position, LAYER_OBJECTS+1);
+}
+
+Particles::Particles(const Vector& epicenter, int min_angle, int max_angle,
+ const Vector& initial_velocity, const Vector& acceleration, int number,
+ Color color_, int size_, float life_time, int drawing_layer_)
+ : accel(acceleration), color(color_), size(size_), drawing_layer(drawing_layer_)
+{
+ if(life_time == 0) {
+ live_forever = true;
+ } else {
+ live_forever = false;
+ timer.start(life_time);
+ }
+
+ // create particles
+ for(int p = 0; p < number; p++)
+ {
+ Particle* particle = new Particle;
+ particle->pos = epicenter;
+
+ float angle = ((rand() % (max_angle-min_angle))+min_angle)
+ * (M_PI / 180); // convert to radius
+ particle->vel.x = /*fabs*/(sin(angle)) * initial_velocity.x;
+// if(angle >= M_PI && angle < M_PI*2)
+// particle->vel.x *= -1; // work around to fix signal
+ particle->vel.y = /*fabs*/(cos(angle)) * initial_velocity.y;
+// if(angle >= M_PI_2 && angle < 3*M_PI_2)
+// particle->vel.y *= -1;
+
+ particles.push_back(particle);
+ }
+}
+
+Particles::~Particles()
+{
+ // free particles
+ for(std::vector<Particle*>::iterator i = particles.begin();
+ i < particles.end(); i++)
+ delete (*i);
+}
+
+void
+Particles::action(float elapsed_time)
+{
+ Vector camera = Sector::current()->camera->get_translation();
+
+ // update particles
+ for(std::vector<Particle*>::iterator i = particles.begin();
+ i != particles.end(); ) {
+ (*i)->pos.x += (*i)->vel.x * elapsed_time;
+ (*i)->pos.y += (*i)->vel.y * elapsed_time;
+
+ (*i)->vel.x += accel.x * elapsed_time;
+ (*i)->vel.y += accel.y * elapsed_time;
+
+ if((*i)->pos.x < camera.x || (*i)->pos.x > screen->w + camera.x ||
+ (*i)->pos.y < camera.y || (*i)->pos.y > screen->h + camera.y) {
+ delete (*i);
+ i = particles.erase(i);
+ } else {
+ ++i;
+ }
+ }
+
+ if((timer.check() && !live_forever) || particles.size() == 0)
+ remove_me();
+}