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precision argument for parallel_transport, and reducing it when used many times

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Zeno Rogue 2019-10-06 11:56:19 +02:00
parent 54487eb6f3
commit cd04b3f8e8
2 changed files with 8 additions and 8 deletions
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4
hyperpoint.cpp
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@ -996,13 +996,13 @@ EX bool asign(ld y1, ld y2) { return signum(y1) != signum(y2); }
EX ld xcross(ld x1, ld y1, ld x2, ld y2) { return x1 + (x2 - x1) * y1 / (y1 - y2); }
EX transmatrix parallel_transport(const transmatrix Position, const transmatrix& ori, const hyperpoint direction) {
EX transmatrix parallel_transport(const transmatrix Position, const transmatrix& ori, const hyperpoint direction, int precision IS(100)) {
if(nonisotropic) return nisot::parallel_transport(Position, direction);
else if(prod) {
hyperpoint h = product::direct_exp(ori * direction);
return Position * rgpushxto0(h);
}
else return Position * rgpushxto0(direct_exp(direction, 100));
else return Position * rgpushxto0(direct_exp(direction, precision));
}
EX void apply_parallel_transport(transmatrix& Position, const transmatrix orientation, const hyperpoint direction) {

12
shmup.cpp
View File

@ -1107,7 +1107,7 @@ void movePlayer(monster *m, int delta) {
int i0 = i;
for(int a=0; a<3; a++) v[a] = (i0 % 3) - 1, i0 /= 3;
v = v * .1 / hypot_d(3, v);
transmatrix T1 = (i == 13) ? nat : parallel_transport(nat, m->ori, v);
transmatrix T1 = (i == 13) ? nat : parallel_transport(nat, m->ori, v, 2);
cell *c3 = c2;
while(true) {
cell *c4 = findbaseAround(tC0(T1), c3, 1);
@ -1634,10 +1634,10 @@ void moveBullet(monster *m, int delta) {
m->dead = true;
if(inertia_based) {
nat = parallel_transport(nat, m->ori, m->inertia * delta);
nat = parallel_transport(nat, m->ori, m->inertia * delta, 10);
}
else
nat = parallel_transport(nat, m->ori, fronttangent(delta * SCALE * m->vel / speedfactor()));
nat = parallel_transport(nat, m->ori, fronttangent(delta * SCALE * m->vel / speedfactor()), 10);
cell *c2 = m->findbase(nat, 1);
if(m->parent && isPlayer(m->parent) && markOrb(itOrbLava) && c2 != m->base && !isPlayerOn(m->base))
@ -2111,14 +2111,14 @@ void moveMonster(monster *m, int delta) {
if(inertia_based) {
if(igo) return;
nat = parallel_transport(nat, m->ori, m->inertia * delta);
nat = parallel_transport(nat, m->ori, m->inertia * delta, 10);
}
else if(WDIM == 3 && igo) {
ld fspin = rand() % 1000;
nat = parallel_transport(nat0, m->ori, cspin(1,2,fspin) * spin(igospan[igo]) * xtangent(step));
nat = parallel_transport(nat0, m->ori, cspin(1,2,fspin) * spin(igospan[igo]) * xtangent(step), 10);
}
else {
nat = parallel_transport(nat0, m->ori, spin(igospan[igo]) * xtangent(step));
nat = parallel_transport(nat0, m->ori, spin(igospan[igo]) * xtangent(step), 10);
}
if(m->type != moRagingBull && !peace::on)