本文整理汇总了C++中Body2DSW::get_island_step方法的典型用法代码示例。如果您正苦于以下问题：C++ Body2DSW::get_island_step方法的具体用法？C++ Body2DSW::get_island_step怎么用？C++ Body2DSW::get_island_step使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Body2DSW的用法示例。
在下文中一共展示了Body2DSW::get_island_step方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
void Step2DSW::_populate_island(Body2DSW* p_body,Body2DSW** p_island,Constraint2DSW **p_constraint_island) {
p_body->set_island_step(_step);
p_body->set_island_next(*p_island);
*p_island=p_body;
for(Map<Constraint2DSW*,int>::Element *E=p_body->get_constraint_map().front();E;E=E->next()) {
Constraint2DSW *c=(Constraint2DSW*)E->key();
if (c->get_island_step()==_step)
continue; //already processed
c->set_island_step(_step);
c->set_island_next(*p_constraint_island);
*p_constraint_island=c;
for(int i=0;i<c->get_body_count();i++) {
if (i==E->get())
continue;
Body2DSW *b = c->get_body_ptr()[i];
if (b->get_island_step()==_step || b->get_mode()==Physics2DServer::BODY_MODE_STATIC)
continue; //no go
_populate_island(c->get_body_ptr()[i],p_island,p_constraint_island);
}
}
}示例2:
void Step2DSW::step(Space2DSW* p_space,float p_delta,int p_iterations) {
p_space->lock(); // can't access space during this
p_space->setup(); //update inertias, etc
const SelfList<Body2DSW>::List * body_list = &p_space->get_active_body_list();
/* INTEGRATE FORCES */
uint64_t profile_begtime = OS::get_singleton()->get_ticks_usec();
uint64_t profile_endtime=0;
int active_count=0;
const SelfList<Body2DSW>*b = body_list->first();
while(b) {
b->self()->integrate_forces(p_delta);
b=b->next();
active_count++;
}
p_space->set_active_objects(active_count);
{ //profile
profile_endtime=OS::get_singleton()->get_ticks_usec();
p_space->set_elapsed_time(Space2DSW::ELAPSED_TIME_INTEGRATE_FORCES,profile_endtime-profile_begtime);
profile_begtime=profile_endtime;
}
/* GENERATE CONSTRAINT ISLANDS */
Body2DSW *island_list=NULL;
Constraint2DSW *constraint_island_list=NULL;
b = body_list->first();
int island_count=0;
while(b) {
Body2DSW *body = b->self();
if (body->get_island_step()!=_step) {
Body2DSW *island=NULL;
Constraint2DSW *constraint_island=NULL;
_populate_island(body,&island,&constraint_island);
island->set_island_list_next(island_list);
island_list=island;
if (constraint_island) {
constraint_island->set_island_list_next(constraint_island_list);
constraint_island_list=constraint_island;
island_count++;
}
}
b=b->next();
}
p_space->set_island_count(island_count);
const SelfList<Area2DSW>::List &aml = p_space->get_moved_area_list();
while(aml.first()) {
for(const Set<Constraint2DSW*>::Element *E=aml.first()->self()->get_constraints().front();E;E=E->next()) {
Constraint2DSW*c=E->get();
if (c->get_island_step()==_step)
continue;
c->set_island_step(_step);
c->set_island_next(NULL);
c->set_island_list_next(constraint_island_list);
constraint_island_list=c;
}
p_space->area_remove_from_moved_list((SelfList<Area2DSW>*)aml.first()); //faster to remove here
}
// print_line("island count: "+itos(island_count)+" active count: "+itos(active_count));
{ //profile
profile_endtime=OS::get_singleton()->get_ticks_usec();
p_space->set_elapsed_time(Space2DSW::ELAPSED_TIME_GENERATE_ISLANDS,profile_endtime-profile_begtime);
profile_begtime=profile_endtime;
}
/* SETUP CONSTRAINT ISLANDS */
{
Constraint2DSW *ci=constraint_island_list;
Constraint2DSW *prev_ci=NULL;
while(ci) {
if (_setup_island(ci,p_delta)==true) {
//.........这里部分代码省略.........