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rogueviz::ads:: do not show numerically unstable convergent/divergent stars in dsgame

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Zeno Rogue
2025-04-08 00:33:23 +02:00
parent 8a92ea95f3
commit f47837df99
2 changed files with 8 additions and 4 deletions
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10
rogueviz/ads/ds-game.cpp
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@@ -113,7 +113,7 @@ struct rock_generator {
ld step = rand_range(0.17, 0.23);
for(int i=0; i<45; i++) {
cshift += step;
add(spin(alpha + i * TAU / 30) * div_matrix());
add(spin(alpha + i * TAU / 30) * div_matrix())->subtype = 1;
}
cshift += rand_range(.3, .7);
}
@@ -125,7 +125,7 @@ struct rock_generator {
ld step = rand_range(0.17, 0.23);
for(int i=0; i<45; i++) {
cshift += step;
add(spin(alpha + i * TAU / 30) * conv_matrix());
add(spin(alpha + i * TAU / 30) * conv_matrix())->subtype = 2;
}
cshift += rand_range(.3, .7);
}
@@ -214,6 +214,8 @@ rock_generator rockgen, rsrcgen;
auto future_shown = 5 * TAU;
auto future_shown_condiv = 2 * TAU;
/** start with a fixed good-looking sequence */
bool demo;
@@ -526,8 +528,8 @@ void view_ds_game() {
poly_outline = 0xFF;
if(rock.type == oMainRock) rock.at.shift = current.shift;
if(rock.at.shift < current.shift - future_shown) continue;
if(rock.at.shift > current.shift + future_shown) continue;
if(current.shift < rock.at.shift - (rock.subtype == 1 ? future_shown_condiv : future_shown)) continue;
if(current.shift > rock.at.shift + (rock.subtype == 2 ? future_shown_condiv : future_shown)) continue;
if(1) {
dynamicval<eGeometry> g(geometry, gSpace435);