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fixed the binary tiling to use correct straight lines on the vertical edges; also grid lines now work correctly

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Zeno Rogue
2022-12-15 09:58:47 +01:00
parent f9552eb74e
commit 62ffefc0cc
3 changed files with 39 additions and 39 deletions
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celldrawer.cpp
+16 -14
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@@ -905,20 +905,22 @@ void celldrawer::draw_grid() {
}
#endif
#if CAP_BT
else if(bt::in() && WDIM == 2 && geometry != gTernary) {
ld yx = log(2) / 2;
ld yy = yx;
ld xx = 1 / sqrt(2)/2;
queueline(V * bt::get_horopoint(-yy, xx), V * bt::get_horopoint(yy, 2*xx), gridcolor(c, c->move(bt::bd_right)), prec);
auto horizontal = [&] (ld y, ld x1, ld x2, int steps, int dir) {
if(vid.linequality > 0) steps <<= vid.linequality;
if(vid.linequality < 0) steps >>= -vid.linequality;
for(int i=0; i<=steps; i++) curvepoint(bt::get_horopoint(y, x1 + (x2-x1) * i / steps));
queuecurve(V, gridcolor(c, c->move(dir)), 0, PPR::LINE);
};
horizontal(yy, 2*xx, xx, 4, bt::bd_up_right);
horizontal(yy, xx, -xx, 8, bt::bd_up);
horizontal(yy, -xx, -2*xx, 4, bt::bd_up_left);
else if(bt::in() && WDIM == 2) {
for(int t=0; t<c->type; t++) {
auto h0 = bt::get_corner_horo_coordinates(c, t);
auto h1 = bt::get_corner_horo_coordinates(c, t+1);
int steps = 12 * abs(h0[1] - h1[1]);
if(!steps) {
gridline(V, bt::get_horopoint(h0), bt::get_horopoint(h1), gridcolor(c, c->move(t)), prec);
}
else {
if(vid.linequality > 0) steps <<= vid.linequality;
if(vid.linequality < 0) steps >>= -vid.linequality;
auto step = (h1 - h0) / steps;
for(int i=0; i<=steps; i++) curvepoint(bt::get_horopoint(h0 + i * step));
queuecurve(V, gridcolor(c, c->move(t)), 0, PPR::LINE);
}
}
}
#endif
else if(isWarped(c) && has_nice_dual()) {