draw_tile(context, shape.id, position + Vector(0, offset), LAYER_TILES+1);
}
-FloatingText::FloatingText(const Vector& pos, std::string& text_)
+FloatingText::FloatingText(const Vector& pos, const std::string& text_)
: position(pos), text(text_)
{
timer.start(1000);
else
alpha = 255;
- context.draw_text(gold_text, text, position, LEFT_ALLIGN, LAYER_OBJECTS, NONE_EFFECT, alpha);
+ context.push_transform();
+ context.set_alpha(alpha);
+
+ context.draw_text(gold_text, text, position, LEFT_ALLIGN, LAYER_OBJECTS+1);
+
+ context.pop_transform();
}
/* Trampoline */
img_smoke_cloud->draw(context, position, LAYER_OBJECTS+1);
}
-Particles::Particles(const Vector& epicenter, const Vector& velocity, const Vector& acceleration, int number, Color color_, int size_, int life_time)
- : color(color_), size(size_), vel(velocity), accel(acceleration)
+Particles::Particles(const Vector& epicenter, int min_angle, int max_angle, const Vector& initial_velocity, const Vector& acceleration, int number, Color color_, int size_, int life_time, int drawing_layer_)
+ : accel(acceleration), color(color_), size(size_), drawing_layer(drawing_layer_)
{
if(life_time == 0)
{
{
Particle* particle = new Particle;
particle->pos = epicenter;
- particle->angle = (rand() % 360) * (M_PI / 180); // in radius
+
+ 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++)
+ for(std::vector<Particle*>::iterator i = particles.begin();
+ i < particles.end(); i++)
delete (*i);
}
void
Particles::action(float elapsed_time)
{
- vel.x += accel.x * elapsed_time;
- vel.y += accel.y * elapsed_time;
-
- int camera_x = (int)Sector::current()->camera->get_translation().x;
- int camera_y = (int)Sector::current()->camera->get_translation().y;
+ Vector camera = Sector::current()->camera->get_translation();
// update particles
for(std::vector<Particle*>::iterator i = particles.begin(); i < particles.end(); i++)
{
- (*i)->pos.x += sin((*i)->angle) * vel.x * elapsed_time;
- (*i)->pos.y += cos((*i)->angle) * vel.y * elapsed_time;
+ (*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)
+ 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);
particles.erase(i);
// draw particles
for(std::vector<Particle*>::iterator i = particles.begin(); i < particles.end(); i++)
{
- context.draw_filled_rect((*i)->pos, Vector(size,size), color, LAYER_OBJECTS+10);
+ context.draw_filled_rect((*i)->pos, Vector(size,size), color, drawing_layer);
}
}