Exemplo n.º 1
0
void GobPlanet::calculate ()
{
	STACKTRACE;
	SpaceObject::calculate();
	SpaceObject *o;
	Query a;
	a.begin(this, OBJECT_LAYERS, gravity_range);
	for (;a.currento;a.next()) {
		o = a.currento;
		if (o->mass > 0) {
			bool roswell = false;
			for (int i = 0; i < gobgame->gobplayers; i++) {
				if (o->ship == gobgame->gobplayer[i]->ship && gobgame->gobplayer[i]->upgrade_list[UpgradeIndex::roswelldevice]->num)
					roswell = true;
			}
			if (roswell) continue;
			double r = distance(o);
			if (r < gravity_mindist) r = gravity_mindist;
			double sr = 1;
			//gravity_power rounded up here
			if (gravity_power < 0) {
				r /= 40 * 5;
				for (int i = 0; i < -gravity_power; i += 1) sr *= r;
				o->accelerate(this, trajectory_angle(o) + PI, frame_time * gravity_force / sr, MAX_SPEED);
			} else {
				r = 1 - r/gravity_range;
				for (int i = 0; i < gravity_power; i += 1) sr *= r;
				o->accelerate(this, trajectory_angle(o) + PI, frame_time * gravity_force * sr, MAX_SPEED);
			}
		}
	}
}
Exemplo n.º 2
0
void Sun::calculate()
{
	STACKTRACE;

	SpaceObject::calculate();
	SpaceObject *o;
	Query a;
	a.begin(this, OBJECT_LAYERS, gravity_range);
	for (;a.currento;a.next()) {
		o = a.currento;
		if (o->mass > 0) {
			double r = distance(o);
			if (r < gravity_mindist) r = gravity_mindist;
			double sr = 1;
			//gravity_power truncated here
			if (gravity_power > 0) {
				r /= 40 * 4;
				for (int i = 0; i < gravity_power; i += 1) sr *= r;
				o->accelerate(this, trajectory_angle(o) + PI, frame_time * gravity_force / sr, MAX_SPEED);
			} else {
				r = 1 - r/gravity_range;
				for (int i = 0; i < -gravity_power; i += 1) sr *= r;
				o->accelerate(this, trajectory_angle(o) + PI, frame_time * gravity_force * sr, MAX_SPEED);
			}
		}
	}
	/*for (;a.currento;a.next()) {
		o = a.currento;
		if (o->mass > 0) {
			double r = distance(o);
			if (r < gravity_mindist) r = gravity_mindist;
			r = 1 - r / gravity_range;
			o->accelerate(this, trajectory_angle(o) + PI, frame_time * gravity_force * r / 40000., GLOBAL_MAXSPEED);
			}
		}*/
	//	return;

}