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Code Issues Releases Wiki Activity

fake geometry in 2D

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Zeno Rogue
2020-05-31 03:30:14 +02:00
parent 8c796e64c4
commit 4a830f469b
3 changed files with 75 additions and 30 deletions
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48
fake.cpp
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@@ -73,20 +73,17 @@ EX namespace fake {
});
if(WDIM == 2) {
hyperpoint a1, a2, b1, b2;
in_underlying([c, d, &a1, &a2, &b1, &b2] {
a1 = get_corner_position(c, d);
a2 = get_corner_position(c, (d+1) % c->type);
auto c1 = c->move(d);
auto d1 = c->c.spin(d);
b1 = get_corner_position(c1, d1);
b2 = get_corner_position(c1, (d1+1) % c1->type);
ld dist;
in_underlying([c, d, &dist] {
dist = currentmap->spacedist(c, d);
});
cgi.adjcheck = hdist0(mid(befake(a1), befake(a2))) + hdist0(mid(befake(b1), befake(b2)));
auto& u = *underlying_cgip;
if(dist == u.tessf) cgi.adjcheck = cgi.tessf;
else if(dist == u.crossf) cgi.adjcheck = cgi.crossf;
else if(dist == u.hexhexdist) cgi.adjcheck = cgi.hexhexdist;
else cgi.adjcheck = dist * scale;
}
return S1 * xpush(cgi.adjcheck) * S2;
@@ -159,7 +156,7 @@ EX namespace fake {
// for(int i=0; i<S6; i++) queuepoly(ggmatrix(cwt.at), shWall3D[i], 0xFF0000FF);
if(pmodel == mdDisk && WDIM == 2) {
if(pmodel == mdDisk && WDIM == 2 && false) {
draw_recursive(centerover, cview(), -1, -1, nullptr, 0);
return;
}
@@ -181,7 +178,7 @@ EX namespace fake {
drawcell(c, V);
if(in_wallopt() && isWall3(c) && isize(dq::drawqueue_c) > 1000) continue;
for(int i=0; i<S7; i++) if(c->move(i)) {
for(int i=0; i<c->type; i++) if(c->move(i)) {
enqueue(c->move(i), V * adj(c, i));
}
}
@@ -290,8 +287,10 @@ EX ld around;
/** @brief the value of 'around' which makes the tiling Euclidean */
EX ld compute_euclidean() {
if(WDIM == 2) return 4 / (S7-2.) + 2;
int middle = get_middle();
return M_PI / asin(cos(M_PI/middle) / sin(M_PI/underlying_cgip->face));
}
@@ -302,11 +301,12 @@ EX void compute_scale() {
if(around < 0) around = good;
if(abs(good - around) < 1e-6) good = around;
int s3 = WDIM == 2 ? S3 : underlying_cgip->loop;
multiple = false;
for(int k=1; k<10; k++)
if(abs(around - underlying_cgip->loop) < 1e-6)
multiple = true;
int mcount = int(around / s3 + .5);
multiple = abs(around - mcount * s3) < 1e-6;
if(around == good) {
ginf[gFake].g = WDIM == 3 ? giEuclid3 : giEuclid2;
@@ -322,7 +322,11 @@ EX void compute_scale() {
ld around_ideal = 1/(1/2. - 1./get_middle());
if(euclid) scale = 1;
if(WDIM == 2) {
ginf[gFake].tiling_name = lalign(0, "{", S7, ",", around, "}");
return;
}
else if(euclid) scale = 1;
else if(abs(around_ideal - around) < 1e-6) {
hyperpoint h0 = underlying_cgip->cellshape[0];
auto s = kleinize(h0);
@@ -385,13 +389,17 @@ EX void change_around() {
ld range = sightranges[geometry];
if(!fake::in()) {
if(around == cgi.loop) return; /* do nothing */
if(around == (WDIM == 2 ? S3 : cgi.loop)) return; /* do nothing */
set_gfake(around);
}
else {
compute_scale();
ray::reset_raycaster();
/* to compute scale */
if(WDIM == 2)
cgi.prepare_basics();
}
println(hlog, "scale = ", t, " -> ", scale, " range = ", range);