group_t* emitterEmit(emitter_t* emitter, double deltaT){
part_t* part = NULL;
group_t* group = NULL;
if(!emitter) return group;
// init
vect_t speed;
double speedAngle;
double random = (double) rand() / RAND_MAX;
// check random value
if(random < deltaT * emitter->flow){
part = partNew();
partSetPos(part, emitter->pos);
group = groupNew();
groupSetPos(group, emitter->pos);
// calculate speed
speedAngle = emitter->alpha * (1.0 - 2.0 * rand() / RAND_MAX);
speed.x = emitter->speed * cos(emitter->angle + speedAngle);
speed.y = emitter->speed * sin(emitter->angle + speedAngle);
groupSetSpeed(group, speed);
groupSetType(group, GROUP_TYPE_HARMLESS);
groupAdd(group, part);
}
return group;
}
TaskSettings::TaskSettings(QWidget *p) : QDialog(p) {
setupUi(this);
connect(btnAdd, SIGNAL(clicked()), this, SLOT(groupAdd()));
connect(btnRemove, SIGNAL(clicked()), this, SLOT(groupRemove()));
connect(btnUp, SIGNAL(clicked()), this, SLOT(groupMoveUp()));
connect(btnDown, SIGNAL(clicked()), this, SLOT(groupMoveDown()));
connect(lstGroups, SIGNAL(currentRowChanged(int)), this, SLOT(groupRowChanged(int)));
connect(lineGroup, SIGNAL(textChanged(QString)), this, SLOT(groupLineChanged(QString)));
}