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more precise torus-rug rendering
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Zeno Rogue
parent
b5382c5670
commit
f5a8b2a0c2
@ -720,6 +720,66 @@ fpattern& getcurrfp() {
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return fp43;
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}
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// extra information for field quotient extra configuration
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struct primeinfo {
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int p;
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int cells;
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bool squared;
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};
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struct fgeomextra {
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eGeometry base;
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vector<primeinfo> primes;
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int current_prime_id;
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fgeomextra(eGeometry b, int i) : base(b), current_prime_id(i) {}
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};
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vector<fgeomextra> fgeomextras = {
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fgeomextra(gNormal, 3),
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fgeomextra(gOctagon, 1),
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fgeomextra(g45, 0),
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fgeomextra(g46, 3),
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fgeomextra(g47, 0)
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};
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int current_extra = 0;
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void nextPrime(fgeomextra& ex) {
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dynamicval<eGeometry> g(geometry, ex.base);
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int nextprime;
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if(size(ex.primes))
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nextprime = ex.primes.back().p + 1;
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else
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nextprime = 2;
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while(true) {
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fieldpattern::fpattern fp(0);
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fp.Prime = nextprime;
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if(fp.solve() == 0) {
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fp.build();
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ex.primes.emplace_back(primeinfo{nextprime, size(fp.matrices) / S7, (bool) fp.wsquare});
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break;
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}
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nextprime++;
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}
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}
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void nextPrimes(fgeomextra& ex) {
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while(size(ex.primes) < 4)
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nextPrime(ex);
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}
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void enableFieldChange() {
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fgeomextra& gxcur = fgeomextras[current_extra];
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fieldpattern::quotient_field_changed = true;
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nextPrimes(gxcur);
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dynamicval<eGeometry> g(geometry, gQuotient2);
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ginf[geometry].sides = ginf[gxcur.base].sides;
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ginf[geometry].vertex = ginf[gxcur.base].vertex;
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ginf[geometry].distlimit = ginf[gxcur.base].distlimit;
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fieldpattern::current_quotient_field.init(gxcur.primes[gxcur.current_prime_id].p);
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}
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}
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#define currfp fieldpattern::getcurrfp()
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@ -727,3 +787,4 @@ fpattern& getcurrfp() {
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int currfp_gmul(int a, int b) { return currfp.gmul(a,b); }
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int currfp_inverses(int i) { return currfp.inverses[i]; }
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int currfp_distwall(int i) { return currfp.distwall[i]; }
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61
geom-exp.cpp
61
geom-exp.cpp
@ -29,67 +29,8 @@ string euchelp =
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int ewhichscreen = 2;
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// extra information for field quotient extra configuration
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struct primeinfo {
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int p;
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int cells;
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bool squared;
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};
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struct fgeomextra {
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eGeometry base;
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vector<primeinfo> primes;
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int current_prime_id;
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fgeomextra(eGeometry b, int i) : base(b), current_prime_id(i) {}
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};
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vector<fgeomextra> fgeomextras = {
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fgeomextra(gNormal, 3),
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fgeomextra(gOctagon, 1),
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fgeomextra(g45, 0),
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fgeomextra(g46, 3),
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fgeomextra(g47, 0)
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};
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int current_extra = 0;
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void nextPrime(fgeomextra& ex) {
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dynamicval<eGeometry> g(geometry, ex.base);
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int nextprime;
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if(size(ex.primes))
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nextprime = ex.primes.back().p + 1;
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else
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nextprime = 2;
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while(true) {
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fieldpattern::fpattern fp(0);
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fp.Prime = nextprime;
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if(fp.solve() == 0) {
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fp.build();
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ex.primes.emplace_back(primeinfo{nextprime, size(fp.matrices) / S7, (bool) fp.wsquare});
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break;
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}
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nextprime++;
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}
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}
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void nextPrimes(fgeomextra& ex) {
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while(size(ex.primes) < 4)
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nextPrime(ex);
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}
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void enableFieldChange() {
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fgeomextra& gxcur = fgeomextras[current_extra];
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fieldpattern::quotient_field_changed = true;
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nextPrimes(gxcur);
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dynamicval<eGeometry> g(geometry, gQuotient2);
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ginf[geometry].sides = ginf[gxcur.base].sides;
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ginf[geometry].vertex = ginf[gxcur.base].vertex;
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ginf[geometry].distlimit = ginf[gxcur.base].distlimit;
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fieldpattern::current_quotient_field.init(gxcur.primes[gxcur.current_prime_id].p);
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}
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void showQuotientConfig() {
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using namespace fieldpattern;
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gamescreen(2);
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dialog::init(XLAT("advanced configuration"));
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fgeomextra& gxcur = fgeomextras[current_extra];
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2
hyper.h
2
hyper.h
@ -1243,7 +1243,7 @@ void fullcenter();
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void movecost(cell* from, cell *to);
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void checkmove();
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transmatrix eumove(int x, int y);
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transmatrix eumove(ld x, ld y);
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transmatrix eumovedir(int d);
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int reptilemax();
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@ -363,7 +363,7 @@ void drawrec(const heptspin& hs, int lev, hstate s, const transmatrix& V) {
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int mindx=-7, mindy=-7, maxdx=7, maxdy=7;
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transmatrix eumove(int x, int y) {
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transmatrix eumove(ld x, ld y) {
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transmatrix Mat = Id;
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Mat[2][2] = 1;
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Mat[0][2] += (x + y * .5) * eurad;
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28
rug.cpp
28
rug.cpp
@ -34,6 +34,7 @@ GLAPI void APIENTRY glDeleteFramebuffers (GLsizei n, const GLuint *framebuffers)
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namespace rug {
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double rugzoom = .3;
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int torus_precision = 2;
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// hypersian rug datatypes and globals
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//-------------------------------------
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@ -204,7 +205,7 @@ void buildTorusRug() {
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transmatrix z2 = inverse(z1);
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printf("h1 = %s\n", display(z2 * hyperpoint {22,1,0}));
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auto addToruspoint = [&] (int x, int y) {
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auto addToruspoint = [&] (ld x, ld y) {
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auto r = addRugpoint(C0, 0);
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hyperpoint onscreen;
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applymodel(tC0(eumove(x, y)), onscreen);
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@ -226,15 +227,21 @@ void buildTorusRug() {
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r->valid = true;
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return r;
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};
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int rugmax = min(torus_precision, 16);
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ld rmd = rugmax;
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for(int i=0; i<qty; i++) {
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int x = tps[i].x, y = tps[i].y;
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auto r00 = addToruspoint(x, y);
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auto r10 = addToruspoint(x+1, y);
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auto r01 = addToruspoint(x, y+1);
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auto rn1 = addToruspoint(x-1, y+1);
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addTriangle(r00, r10, r01);
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addTriangle(r00, r01, rn1);
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rugpoint *rugarr[32][32];
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for(int yy=0; yy<=rugmax; yy++)
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for(int xx=0; xx<=rugmax; xx++)
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rugarr[yy][xx] = addToruspoint(x+(xx-yy)/rmd, y+yy/rmd);
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for(int yy=0; yy<rugmax; yy++)
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for(int xx=0; xx<rugmax; xx++)
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addTriangle(rugarr[yy][xx], rugarr[yy+1][xx], rugarr[yy+1][xx+1]),
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addTriangle(rugarr[yy][xx], rugarr[yy][xx+1], rugarr[yy+1][xx+1]);
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}
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double maxz = 0;
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@ -824,6 +831,11 @@ void show() {
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dialog::addBoolItem(XLAT("render the texture only once"), (renderonce), 'o');
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dialog::addBoolItem(XLAT("render texture without OpenGL"), (rendernogl), 'g');
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dialog::addSelItem(XLAT("texture size"), its(texturesize)+"x"+its(texturesize), 's');
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if(torus) {
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if(torus_precision < 1) torus_precision = 1;
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if(torus_precision > 16) torus_precision = 16;
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dialog::addSelItem(XLAT("precision"), its(torus_precision), 'p');
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}
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dialog::display();
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keyhandler = [] (int sym, int uni) {
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#if ISPANDORA
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@ -850,6 +862,8 @@ void show() {
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}
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else if(uni == 'o')
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renderonce = !renderonce;
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else if(uni == 'p' && torus_precision)
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dialog::editNumber(torus_precision, 0, 16, 1, 2, "precision", "precision");
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#if !ISPANDORA
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else if(uni == 'g')
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rendernogl = !rendernogl;
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