more accurate portal movement

This commit is contained in:
Zeno Rogue 2021-10-07 12:43:45 +02:00
parent 8d0059a760
commit 0966d5e36c
2 changed files with 26 additions and 9 deletions

View File

@ -2904,13 +2904,8 @@ EX void shift_view(hyperpoint H) {
if(callhandlers(false, hooks_shift_view, H)) return;
static bool recursive = false;
if(!recursive && intra::in) {
H /= 10;
recursive = true;
for(int i=0; i<10; i++) {
shift_view(H);
intra::check_portal_movement();
}
recursive = false;
dynamicval<bool> r(recursive, true);
intra::shift_view_portal(H);
return;
}
auto oView = View;

View File

@ -329,7 +329,25 @@ EX int full_wall_offset(cell *c) {
return wo;
}
EX void check_portal_movement() {
EX void shift_view_portal(hyperpoint H) {
shift_view(H);
if(!through_portal()) return;
shift_view(-H);
ld minv = 0, maxv = 1;
for(int i=0; i<30; i++) {
ld t = (minv + maxv) / 2;
shift_view(H * t);
bool b = through_portal();
if(b) maxv = t; else minv = t;
shift_view(H * -t);
}
println(hlog, "maxv = ", maxv);
shift_view(H * maxv);
check_portal_movement();
shift_view(H * (1 - maxv));
}
EX const connection_data* through_portal() {
transmatrix iView = view_inverse(View);
ld dist = hdist0(iView * C0);
int nei = -1;
@ -339,8 +357,12 @@ EX void check_portal_movement() {
}
auto cw1 = cellwalker(centerover, nei);
return at_or_null(connections, cw1);
}
EX void check_portal_movement() {
auto p = through_portal();
ld c = camera_speed;
auto p = at_or_null(connections, cw1);
if(p) {
ld eps = 1e-3;
c /= p->id1.scale;