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elliptic; bugfix

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Zeno Rogue 2017-12-27 19:55:00 +01:00
parent b5377610ba
commit 863f2f9696
2 changed files with 28 additions and 15 deletions
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4
config.cpp
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@ -456,10 +456,10 @@ void loadOldConfig(FILE *f) {
aa = rug::renderonce; bb = rug::rendernogl; cc = nontruncated; dd = chaosmode; aa = rug::renderonce; bb = rug::rendernogl; cc = nontruncated; dd = chaosmode;
int ee = vid.steamscore; int ee = vid.steamscore;
double rs = 1/rug::model_distance; double rs = 2/rug::model_distance;
err=fscanf(f, "%d%d%d%d%lf%d%d", &aa, &bb, &rug::texturesize, &cc, &rs, &ee, &dd); err=fscanf(f, "%d%d%d%d%lf%d%d", &aa, &bb, &rug::texturesize, &cc, &rs, &ee, &dd);
rug::renderonce = aa; rug::rendernogl = bb; nontruncated = cc; chaosmode = dd; vid.steamscore = ee; rug::renderonce = aa; rug::rendernogl = bb; nontruncated = cc; chaosmode = dd; vid.steamscore = ee;
rug::model_distance = 1/rs; rug::model_distance = 2/rs;
aa=conformal::autobandhistory; aa=conformal::autobandhistory;
double ps = polygonal::STAR, lv = conformal::lvspeed; double ps = polygonal::STAR, lv = conformal::lvspeed;

39
rug.cpp
View File

@ -44,6 +44,8 @@ ld fov = 90;
eGeometry gwhere = gEuclid; eGeometry gwhere = gEuclid;
#define USING_NATIVE_GEOMETRY dynamicval<eGeometry> gw(geometry, gwhere == gElliptic ? gSphere : gwhere)
// hypersian rug datatypes and globals // hypersian rug datatypes and globals
//------------------------------------- //-------------------------------------
@ -179,7 +181,7 @@ void push_point(hyperpoint& h, int coord, ld val) {
else if(!val) return; else if(!val) return;
else { else {
// if(zero3(h)) { h[0] = 1e-9; h[1] = 1e-10; h[2] = 1e-11; } // if(zero3(h)) { h[0] = 1e-9; h[1] = 1e-10; h[2] = 1e-11; }
dynamicval<eGeometry> gw(geometry, gwhere); USING_NATIVE_GEOMETRY;
transmatrix M = orthonormalize(hpxyz(coord==0,coord==1,coord==2), h); transmatrix M = orthonormalize(hpxyz(coord==0,coord==1,coord==2), h);
transmatrix Mi = inverse(M); transmatrix Mi = inverse(M);
hyperpoint f = azeq_to_hyperboloid(Mi * h); hyperpoint f = azeq_to_hyperboloid(Mi * h);
@ -226,7 +228,7 @@ rugpoint *addRugpoint(hyperpoint h, double dist) {
// sinh(scale) = modelscale // sinh(scale) = modelscale
scale = asinh(modelscale); scale = asinh(modelscale);
} }
else if(gwhere == gSphere) { else /* sphere/elliptic*/ {
if(modelscale >= 1) if(modelscale >= 1)
// do as good as we can... // do as good as we can...
scale = M_PI / 2 - 1e-3, good_shape = false; scale = M_PI / 2 - 1e-3, good_shape = false;
@ -248,7 +250,7 @@ rugpoint *addRugpoint(hyperpoint h, double dist) {
hyperpoint hpoint; hyperpoint hpoint;
bool orig_euclid = euclid; bool orig_euclid = euclid;
dynamicval<eGeometry> gw(geometry, gwhere); USING_NATIVE_GEOMETRY;
if(orig_euclid) { if(orig_euclid) {
d *= modelscale; d *= modelscale;
@ -271,7 +273,10 @@ rugpoint *addRugpoint(hyperpoint h, double dist) {
} }
else m->flat = // hpxyz(h[0], h[1], sin(atan2(h[0], h[1]) * 3 + hyprand) * (h[2]-1) / 1000); else m->flat = // hpxyz(h[0], h[1], sin(atan2(h[0], h[1]) * 3 + hyprand) * (h[2]-1) / 1000);
hpxyz(h[0], h[1], (h[2]- (euclid ? 0 : 1)) * (rand() % 1000 - rand() % 1000) / 1000); hpxyz(h[0], h[1], (h[2] - .99) * (rand() % 1000 - rand() % 1000) / 1000);
if(rug_perspective)
push_point(m->flat, 2, -model_distance);
// if(rug_perspective && gwhere == gEuclid) m->flat[2] -= 3; // if(rug_perspective && gwhere == gEuclid) m->flat[2] -= 3;
m->inqueue = false; m->inqueue = false;
@ -465,6 +470,9 @@ void buildTorusRug() {
for(auto p: points) if(!p->glue) qvalid++; for(auto p: points) if(!p->glue) qvalid++;
printf("qvalid = %d\n", qvalid); printf("qvalid = %d\n", qvalid);
if(rug_perspective)
push_all_points(2, -model_distance);
return; return;
} }
@ -475,7 +483,7 @@ void verify() {
auto m2 = e.target; auto m2 = e.target;
ld l = e.len; ld l = e.len;
dynamicval<eGeometry> gw(geometry, gwhere); USING_NATIVE_GEOMETRY;
transmatrix M = orthonormalize(m->flat, m2->flat); transmatrix M = orthonormalize(m->flat, m2->flat);
transmatrix Mi = inverse(M); transmatrix Mi = inverse(M);
hyperpoint h1 = azeq_to_hyperboloid(Mi * m->flat); hyperpoint h1 = azeq_to_hyperboloid(Mi * m->flat);
@ -569,7 +577,7 @@ bool force(rugpoint& m1, rugpoint& m2, double rd, double d1=1, double d2=1) {
// double rd = hdist(m1.h, m2.h) * xd; // double rd = hdist(m1.h, m2.h) * xd;
// if(rd > rdz +1e-6 || rd< rdz-1e-6) printf("%lf %lf\n", rd, rdz); // if(rd > rdz +1e-6 || rd< rdz-1e-6) printf("%lf %lf\n", rd, rdz);
using namespace hyperpoint_vec; using namespace hyperpoint_vec;
dynamicval<eGeometry> gw(geometry, gwhere); USING_NATIVE_GEOMETRY;
transmatrix M = orthonormalize(m1.flat, m2.flat); transmatrix M = orthonormalize(m1.flat, m2.flat);
transmatrix Mi = inverse(M); transmatrix Mi = inverse(M);
hyperpoint f1 = azeq_to_hyperboloid(Mi * m1.flat); hyperpoint f1 = azeq_to_hyperboloid(Mi * m1.flat);
@ -702,7 +710,12 @@ void subdivide() {
rugpoint *mm = addRugpoint(mid(m->h, m2->h), (m->dist+m2->dist)/2); rugpoint *mm = addRugpoint(mid(m->h, m2->h), (m->dist+m2->dist)/2);
halves[{m, m2}] = mm; halves[{m, m2}] = mm;
using namespace hyperpoint_vec; using namespace hyperpoint_vec;
mm->flat = (m->flat + m2->flat) / 2; USING_NATIVE_GEOMETRY;
transmatrix M = orthonormalize(m->flat, m2->flat);
transmatrix Mi = inverse(M);
hyperpoint h1 = azeq_to_hyperboloid(Mi * m->flat);
hyperpoint h2 = azeq_to_hyperboloid(Mi * m2->flat);
mm->flat = M * hyperboloid_to_azeq(mid(h1, h2));
mm->valid = true; qvalid++; mm->valid = true; qvalid++;
mm->inqueue = false; enqueue(mm); mm->inqueue = false; enqueue(mm);
} }
@ -779,11 +792,13 @@ int eyemod;
void getco(rugpoint *m, hyperpoint& h, int &spherepoints) { void getco(rugpoint *m, hyperpoint& h, int &spherepoints) {
using namespace hyperpoint_vec; using namespace hyperpoint_vec;
h = m->getglue()->flat; h = m->getglue()->flat;
if(rug_perspective && gwhere == gSphere) { if(rug_perspective && gwhere >= gSphere) {
if(h[2] > 0) { if(h[2] > 0) {
ld rad = hypot3(h); ld rad = hypot3(h);
// turn M_PI to -M_PI // turn M_PI to -M_PI
ld rad_to = M_PI + M_PI - rad; // the only difference between sphere and elliptic is here:
// in elliptic, we subtract PI from the distance
ld rad_to = (gwhere == gSphere ? M_PI + M_PI : M_PI) - rad;
ld r = -rad_to / rad; ld r = -rad_to / rad;
h *= r; h *= r;
spherepoints++; spherepoints++;
@ -982,11 +997,11 @@ void drawRugScene() {
glColor4f(1.f, 1.f, 1.f, 1.f); glColor4f(1.f, 1.f, 1.f, 1.f);
if(rug_perspective && gwhere == gSphere) { if(rug_perspective && gwhere >= gSphere) {
glEnable(GL_FOG); glEnable(GL_FOG);
glFogi(GL_FOG_MODE, GL_LINEAR); glFogi(GL_FOG_MODE, GL_LINEAR);
glFogf(GL_FOG_START, 0); glFogf(GL_FOG_START, 0);
glFogf(GL_FOG_END, 10); glFogf(GL_FOG_END, gwhere == gSphere ? 10 : 4);
} }
if(vid.eye > .001 || vid.eye < -.001) { if(vid.eye > .001 || vid.eye < -.001) {
@ -1067,8 +1082,6 @@ void init() {
buildRug(); buildRug();
while(good_shape && subdivide_further()) subdivide(); while(good_shape && subdivide_further()) subdivide();
if(rug_perspective)
push_all_points(2, -model_distance);
currentrot = Id; currentrot = Id;
} }