mirrors/hyperrogue
1
0
Fork 0
mirror of https://github.com/zenorogue/hyperrogue.git synced 2025-01-22 23:17:04 +00:00
Code Issues Releases Wiki Activity

ads-game:: better protection from invalid in ds

Browse Source
This commit is contained in:
Zeno Rogue 2022-09-29 15:04:54 +02:00
parent 171b198cd8
commit c4a4b21296
1 changed files with 11 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
rogueviz/ads/ds-game.cpp
View File

@ -447,6 +447,13 @@ transmatrix tpt(ld x, ld y) {
return cspin(0, 2, x * ds_scale) * cspin(1, 2, y * ds_scale);
}
// sometimes the result may be incorrect due to numerical precision -- don't show that then in this case
bool invalid(cross_result& res) {
ld val = sqhypot_d(3, res.h);
if(abs(val-1) > 1e-3 || isnan(val) || abs(res.h[3]) > 1e-3 || isnan(res.h[3])) return true;
return false;
}
void view_ds_game() {
displayed.clear();
@ -468,9 +475,7 @@ void view_ds_game() {
transmatrix at = current.T * lorentz(2, 3, rock.at.shift - current.shift) * rock.at.T;
rock.pt_main = ds_cross0(at);
// sometimes the result may be incorrect due to numerical precision -- don't show that then in this case
ld val = sqhypot_d(3, rock.pt_main.h);
if(abs(val-1) > 1e-3 || isnan(val) || abs(rock.pt_main.h[3]) > 1e-3 || isnan(rock.pt_main.h[3])) continue;
if(invalid(rock.pt_main)) continue;
if(rock.pt_main.shift < rock.life_start) continue;
if(rock.pt_main.shift > rock.life_end) continue;
@ -480,11 +485,14 @@ void view_ds_game() {
auto& sh = *rock.shape;
bool bad = false;
for(int i=0; i<isize(sh); i+=2) {
transmatrix at2 = at1 * tpt(sh[i], sh[i+1]);
auto cr1 = ds_cross0(at2);
if(invalid(cr1)) { bad = true; continue; }
rock.pts.push_back(cr1);
}
if(bad) continue;
}
vector<hyperpoint> circle_flat;