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fixed calc_relative_matrix in field quotient geometry

This commit is contained in:
Zeno Rogue 2018-07-05 07:32:27 +02:00
parent 223732bbfb
commit f7ae00fd39
1 changed files with 11 additions and 1 deletions
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12
shmup.cpp
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@ -3425,7 +3425,17 @@ transmatrix calc_relative_matrix(cell *c2, cell *c1, int direction_hint) {
int sp = h2->spin(d);
return gm * heptmove[sp] * spin(2*M_PI*d/S7) * where;
}
if(h1->distance < h2->distance) {
if(geometry == gFieldQuotient) {
int bestdist = 1000, bestd = 0;
for(int d=0; d<S7; d++) {
int dist = celldistance(h2->move[d]->c7, c1);
if(dist < bestdist) bestdist = dist, bestd = d;
}
int sp = h2->spin(bestd);
where = heptmove[sp] * spin(2*M_PI*bestd/S7) * where;
h2 = h2->move[bestd];
}
else if(h1->distance < h2->distance) {
int sp = h2->spin(0);
h2 = h2->move[0];
where = heptmove[sp] * where;