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Code Issues Releases Wiki Activity

ultra-ideal vertices should work now

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Zeno Rogue
2022-04-26 16:19:02 +02:00
parent 403f38521e
commit 31a554f077
6 changed files with 145 additions and 54 deletions
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polygons.cpp
+74 -11
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@@ -15,21 +15,80 @@ static constexpr ld NEWSHAPE = (-13.5);
#endif
static constexpr ld WOLF = (-15.5);
void geometry_information::hpc_connect_ideal(hyperpoint a, hyperpoint b) {
ld left = -atan2(a);
ld right = -atan2(b);
if(right > left + 180*degree) right -= 360*degree;
if(right < left - 180*degree) right += 360*degree;
/* call hpc.push_back directly to avoid adding points */
ld qty = ceil(abs(right-left) / ideal_each);
for(int i=0; i<=qty; i++) hpc.push_back(xspinpush0(lerp(left, right, i/qty), ideal_limit));
}
void geometry_information::hpcpush(hyperpoint h) {
if(sphere) h = mid(h,h);
if(GDIM == 3 || (last->flags & POLY_TRIANGLES)) {
hpc.push_back(h);
return;
}
ld error_threshold = euclid ? 1000 : 1e10;
ld threshold = (GDIM == 3 || last->flags & POLY_TRIANGLES) ? error_threshold : (sphere ? (ISMOBWEB || NONSTDVAR ? .04 : .001) : 0.1) * pow(.25, vid.linequality);
if(/*vid.usingGL && */!first) {
ld i = intval(hpc.back(), h);
if(i > threshold && i < error_threshold) {
hyperpoint md = mid(hpc.back(), h);
hpcpush(md);
hpcpush(h);
return;
ld threshold = (sphere ? (ISMOBWEB || NONSTDVAR ? .04 : .001) : 0.1) * pow(.25, vid.linequality);
if(first) {
starting_ideal = starting_point = last_point = last_ideal = h;
first = false;
int c = safe_classify_ideals(h);
if(c == 0) {
starting_ideal = safe_approximation_of_ideal(h);
hpc.push_back(starting_ideal);
}
else if(c > 0) {
hpc.push_back(normalize(h));
}
}
else {
int c1 = safe_classify_ideals(last_point);
int c2 = safe_classify_ideals(h);
if(c1 > 0 && c2 > 0) {
h = normalize(h);
ld i = intval(last_point, h);
if(i > threshold && i < error_threshold) {
hyperpoint md = mid(hpc.back(), h);
hpcpush(md);
hpcpush(h);
return;
}
else {
hpc.push_back(h);
last_point = last_ideal = h;
}
}
else if(c1 > 0 && c2 <= 0) {
for(ld t = threshold; t < ideal_limit; t += threshold) hpc.push_back(last_ideal = towards_inf(last_point, h, t));
last_point = h;
}
else if(c1 <= 0 && c2 > 0) {
hyperpoint next_ideal = towards_inf(h, last_point, ideal_limit);
hpc_connect_ideal(last_ideal, next_ideal);
ld t = threshold; while(t < ideal_limit) t += threshold; t -= threshold;
for(; t > threshold/2; t -= threshold) hpc.push_back(towards_inf(h, last_point, t));
last_point = last_ideal = h;
}
else if(c1 <= 0 && c2 <= 0) {
hyperpoint p = closest_to_zero(last_point, h);
indenter ind(2);
int cp = safe_classify_ideals(p);
if(cp > 0) {
hpcpush(normalize(p));
hpcpush(h);
return;
}
else {
last_ideal = last_point = h;
}
}
}
first = false;
hpc.push_back(h);
}
void geometry_information::chasmifyPoly(double fac, double fac2, int k) {
@@ -119,6 +178,10 @@ hyperpoint geometry_information::turtlevertex(int u, double x, double y, double
void geometry_information::finishshape() {
if(!last) return;
if(!first && safe_classify_ideals(starting_point) <= 0 && sqhypot_d(LDIM, starting_point - last_point) < 1e-9)
hpc_connect_ideal(last_ideal, starting_ideal);
last->e = isize(hpc);
double area = 0;
for(int i=last->s; i<last->e-1; i++)