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https://github.com/zenorogue/hyperrogue.git
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hemisphere in spherical now produces the hyperboloid model
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@ -1030,7 +1030,7 @@ EX vector<modelinfo> mdinf = {
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{X3("azimuthal equi-area"), mf::azimuthal | mf::equiarea | mf::euc_boring, DEFAULTS},
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{X3("ball model"), mf::conformal | mf::azimuthal | mf::space, DEFAULTS},
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{"Minkowski hyperboloid", "plane", "sphere", mf::conformal | mf::space | mf::euc_boring, DEFAULTS},
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{"hemisphere", "sphere", "sphere", mf::conformal | mf::space, DEFAULTS},
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{"hemisphere", "sphere", "Minkowski hyperboloid", mf::conformal | mf::space, DEFAULTS},
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{X3("band equidistant"), mf::band | mf::equidistant | mf::euc_boring, DEFAULTS},
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{X3("band equi-area"), mf::band | mf::equiarea | mf::euc_boring, DEFAULTS},
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{X3("sinusoidal"), mf::pseudoband | mf::equiarea | mf::euc_boring, DEFAULTS},
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34
drawing.cpp
34
drawing.cpp
@ -304,7 +304,7 @@ EX bool two_sided_model() {
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#endif
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if(GDIM == 3) return false;
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if(in_vr_sphere) return true;
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if(pmodel == mdHyperboloid) return !euclid && !in_vr;
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if(models::is_hyperboloid(pmodel)) return !euclid && !in_vr;
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// if(pmodel == mdHemisphere) return true;
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if(pmodel == mdDisk) return sphere || (hyperbolic && pconf.alpha < 0 && pconf.alpha > -1);
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if(pmodel == mdRetroLittrow) return sphere;
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@ -348,11 +348,21 @@ EX int get_side(const hyperpoint& H) {
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return (models::sin_ball * H[2] > -models::cos_ball * H[1]) ? -1 : 1;
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if(pmodel == mdHyperboloid && sphere)
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return (models::sin_ball * H[2] > models::cos_ball * H[1]) ? -1 : 1;
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if(pmodel == mdHemisphere) {
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if(pmodel == mdHyperboloidFlat && sphere)
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return H[2] >= 0 ? 1 : -1;
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if(pmodel == mdHemisphere && hyperbolic) {
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hyperpoint res;
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applymodel(shiftless(H), res);
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return res[2] < 0 ? -1 : 1;
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}
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if(pmodel == mdHemisphere && sphere) {
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auto H1 = H;
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int s = H1[2] > 0 ? 1 : -1;
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if(hemi_side && s != hemi_side) return -spherespecial;
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H1[0] /= H1[2]; H1[1] /= H1[2];
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H1[2] = s * sqrt(1 + H1[0]*H1[0] + H1[1] * H1[1]);
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return (models::sin_ball * H1[2] > models::cos_ball * H1[1]) ? 1 : -1;
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}
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if(pmodel == mdSpiral && pconf.spiral_cone < 360) {
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return cone_side(shiftless(H));
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}
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@ -2283,6 +2293,8 @@ EX void set_vr_sphere() {
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#endif
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}
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EX int hemi_side = 0;
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EX void draw_main() {
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DEBBI(DF_GRAPH, ("draw_main"));
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@ -2296,6 +2308,24 @@ EX void draw_main() {
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return;
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}
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if(pmodel == mdHemisphere && sphere && hemi_side == 0 && !vrhr::rendering()) {
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hemi_side = models::sin_ball > 0 ? 1 : -1;
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draw_main();
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if(pconf.show_hyperboloid_flat) {
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dynamicval<eModel> dv (pmodel, mdHyperboloidFlat);
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dynamicval<int> ds (spherespecial, 1);
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for(auto& ptd: ptds)
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if(!among(ptd->prio, PPR::MOBILE_ARROW, PPR::OUTCIRCLE, PPR::CIRCLE))
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ptd->draw();
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}
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hemi_side *= -1;
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draw_main();
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hemi_side = 0;
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return;
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}
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set_vr_sphere();
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if(sphere && GDIM == 3 && pmodel == mdPerspective && !stretch::in() && !ray::in_use) {
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62
hypgraph.cpp
62
hypgraph.cpp
@ -778,11 +778,23 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
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case gcSphere: {
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if(vrhr::rendering()) { vr_sphere(ret, H, md); return; }
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ld z = sqhypot_d(3, H);
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int s = H[2] > 0 ? 1 : -1;
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ret = H;
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ret /= ret[2];
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ret[2] = sqrt(1 + ret[0]*ret[0] + ret[1]*ret[1]) * s;
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ret *= z;
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ld& topz = pconf.top_z;
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if(abs(ret[2]) > topz || (hemi_side && s != hemi_side)) {
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ld scale = sqrt(topz*topz-1) / hypot_d(2, ret);
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ret *= scale;
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ret[2] = topz * s;
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}
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if(pconf.depth_scaling != 1) {
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ld v = intval(H, Hypc);
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ret *= pow(v, (dir * pconf.depth_scaling-1) / 2);
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}
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ret /= 3;
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break;
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}
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}
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@ -823,27 +835,35 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
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}
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#endif
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ret = H;
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if(sphere && pmodel == mdHyperboloidFlat) {
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int s = H[2] > 0 ? 1 : -1;
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ret /= ret[2];
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ret[2] = sqrt(1 + ret[0]*ret[0] + ret[1]*ret[1]) * s;
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}
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if(pconf.depth_scaling != 1) {
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ld v = intval(H, Hypc);
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H *= pow(v, (pconf.depth_scaling-1) / 2);
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ld v = intval(ret, Hypc);
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ret *= pow(v, (pconf.depth_scaling-1) / 2);
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}
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if(pmodel == mdHyperboloid) {
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ld& topz = pconf.top_z;
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if(H[2] > topz) {
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ld scale = sqrt(topz*topz-1) / hypot_d(2, H);
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H *= scale;
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H[2] = topz;
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if(ret[2] > topz) {
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ld scale = sqrt(topz*topz-1) / hypot_d(2, ret);
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ret *= scale;
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ret[2] = topz;
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}
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}
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else {
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H = space_to_perspective(H, pconf.alpha);
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H[2] = 1 - pconf.alpha;
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ret = space_to_perspective(ret, pconf.alpha);
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ret[2] = 1 - pconf.alpha;
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if(sphere) ret[2] = -ret[2];
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}
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ret[0] = H[0] / 3;
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ret[1] = (1 - H[2]) / 3;
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ret[2] = H[1] / 3;
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ret[0] = ret[0] / 3;
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tie(ret[1], ret[2]) = make_pair(((sphere?0:1) - ret[2]) / 3, ret[1] / 3);
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models::apply_ball(ret[2], ret[1]);
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break;
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@ -2276,7 +2296,7 @@ EX color_t modelcolor = 0;
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EX void draw_model_elements() {
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#if CAP_VR
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if(vrhr::active() && pmodel == mdHyperboloid) return;
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if(vrhr::active() && is_hyperboloid(pmodel)) return;
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#endif
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dynamicval<ld> lw(vid.linewidth, vid.linewidth * vid.multiplier_ring);
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@ -2339,9 +2359,10 @@ EX void draw_model_elements() {
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return;
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}
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case mdHyperboloid: {
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case mdHyperboloid:
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case mdHemisphere: {
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if(!pconf.show_hyperboloid_flat) return;
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if(hyperbolic) {
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if(models::is_hyperboloid(pmodel)) {
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#if CAP_QUEUE
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curvepoint(point3(0,0,1));
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curvepoint(point3(0,0,-pconf.alpha));
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@ -2550,7 +2571,7 @@ EX void draw_boundary(int w) {
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queuecurve(shiftless(Id), lc, fc, p);
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queuereset(pmodel, p);
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}
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if(euclid || sphere) {
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if(euclid) {
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queuereset(mdPixel, p);
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for(int i=0; i<=360; i++) {
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curvepoint(point3(current_display->radius * cos(i * degree), current_display->radius * sin(i * degree), 0));
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@ -2558,13 +2579,15 @@ EX void draw_boundary(int w) {
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queuecurve(shiftless(Id), lc, fc, p);
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queuereset(pmodel, p);
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}
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if(sphere) goto as_hyperboloid;
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return;
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}
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case mdHyperboloid: {
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if(hyperbolic) {
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as_hyperboloid:
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ld& tz = pconf.top_z;
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ld mz = acosh(tz);
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ld mz = sphere ? atan(sqrt(tz*tz-1)) : acosh(tz);
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ld cb = models::cos_ball;
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ld sb = models::sin_ball;
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@ -2609,6 +2632,13 @@ EX void draw_boundary(int w) {
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curvepoint(xspinpush0(t * degree, mz));
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queuecurve(shiftless(Id), lc, fc, p);
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if(sphere) {
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for(ld t=0; t<=360; t ++)
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curvepoint(xspinpush0(t * degree, M_PI-mz));
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queuecurve(shiftless(Id), lc, fc, p);
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}
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}
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return;
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}
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@ -223,6 +223,10 @@ EX namespace models {
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return 0;
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}
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EX bool is_hyperboloid(eModel m) {
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return m == (sphere ? mdHemisphere : mdHyperboloid);
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}
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EX bool is_perspective(eModel m) {
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return among(m, mdPerspective, mdGeodesic);
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}
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@ -592,7 +596,7 @@ EX namespace models {
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});
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}
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if(vpmodel == mdHyperboloid)
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if(is_hyperboloid(vpmodel))
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add_edit(vpconf.top_z);
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if(has_transition(vpmodel))
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@ -613,7 +617,7 @@ EX namespace models {
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if(vpmodel == mdFisheye)
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add_edit(vpconf.fisheye_param);
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if(vpmodel == mdHyperboloid)
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if(is_hyperboloid(vpmodel))
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add_edit(pconf.show_hyperboloid_flat);
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if(vpmodel == mdCollignon)
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