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improved INVERSE issues in stereographic

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Zeno Rogue 2018-09-07 16:18:40 +02:00
parent 7515503dee
commit 04554a436f
2 changed files with 48 additions and 14 deletions
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2
hyper.h
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@ -2550,6 +2550,7 @@ struct dqi_poly : drawqueueitem {
double linewidth; double linewidth;
int flags; int flags;
textureinfo *tinf; textureinfo *tinf;
hyperpoint intester;
void draw(); void draw();
void gldraw(); void gldraw();
void draw_back(); void draw_back();
@ -3598,6 +3599,7 @@ struct hpcshape {
int s, e; int s, e;
PPR prio; PPR prio;
int flags; int flags;
hyperpoint intester;
}; };
extern hpcshape shFullCross[2]; extern hpcshape shFullCross[2];

48
polygons.cpp
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@ -16,8 +16,6 @@ ld xcross(ld x1, ld y1, ld x2, ld y2) {
return x1 + (x2 - x1) * y1 / (y1 - y2); return x1 + (x2 - x1) * y1 / (y1 - y2);
} }
hyperpoint intester;
// draw the lines // draw the lines
static const int POLY_DRAWLINES = 1; static const int POLY_DRAWLINES = 1;
// draw the area // draw the area
@ -62,6 +60,9 @@ static const int POLY_NOTINFRONT = (1<<16);
// points moved to the outline cross the image, disable // points moved to the outline cross the image, disable
static const int POLY_NIF_ERROR = (1<<17); static const int POLY_NIF_ERROR = (1<<17);
// new system of side checking
static const int POLY_BADCENTERIN = (1<<18);
vector<hyperpoint> hpc; vector<hyperpoint> hpc;
int prehpc; int prehpc;
@ -892,6 +893,15 @@ void dqi_poly::draw() {
outline = (flags & POLY_CENTERIN) ? 0x00FF00FF : 0xFF0000FF; outline = (flags & POLY_CENTERIN) ? 0x00FF00FF : 0xFF0000FF;
addpoint(hscr); */ addpoint(hscr); */
} }
/*
if(poly_flags & POLY_BADCENTERIN) {
glcoords.push_back(make_array<GLfloat>(hscr[0]+10, hscr[1]*vid.stretch, hscr[2]));
glcoords.push_back(make_array<GLfloat>(hscr[0], hscr[1]*vid.stretch+10, hscr[2]));
glcoords.push_back(make_array<GLfloat>(hscr[0]-10, hscr[1]*vid.stretch, hscr[2]));
glcoords.push_back(make_array<GLfloat>(hscr[0], hscr[1]*vid.stretch-10, hscr[2]));
glcoords.push_back(make_array<GLfloat>(hscr[0]+10, hscr[1]*vid.stretch, hscr[2]));
} */
} }
else { else {
@ -1072,6 +1082,7 @@ void prettyline(hyperpoint h1, hyperpoint h2, color_t col, int lev) {
ptd.outline = col; ptd.outline = col;
ptd.flags = POLY_ISSIDE; ptd.flags = POLY_ISSIDE;
ptd.tinf = NULL; ptd.tinf = NULL;
ptd.intester = C0;
ptd.draw(); ptd.draw();
} }
@ -1090,6 +1101,7 @@ void prettypoly(const vector<hyperpoint>& t, color_t fillcol, color_t linecol, i
ptd.outline = linecol; ptd.outline = linecol;
ptd.flags = POLY_ISSIDE; ptd.flags = POLY_ISSIDE;
ptd.tinf = NULL; ptd.tinf = NULL;
ptd.intester = C0;
ptd.draw(); ptd.draw();
} }
@ -1486,16 +1498,36 @@ void finishshape() {
if(abs(area) < 1e-9) last->flags |= POLY_ISSIDE; if(abs(area) < 1e-9) last->flags |= POLY_ISSIDE;
if(area >= 0) last->flags |= POLY_INVERSE; if(area >= 0) last->flags |= POLY_INVERSE;
for(int s=0; s<4; s++) {
last->intester = C0;
if(s == 0) {
for(int i=last->s; i<last->e-1; i++)
for(int j=0; j<3; j++)
last->intester[j] += hpc[i][j];
last->intester = mid(last->intester, last->intester);
}
if(s == 2)
last->intester = hpxy(.5, .2);
if(s == 3)
last->intester = hpxy(.2, .2518);
last->flags &=~ POLY_BADCENTERIN;
for(int i=last->s; i<last->e-1; i++) { for(int i=last->s; i<last->e-1; i++) {
ld x1 = hpc[i][0] - intester[0], y1 = hpc[i][1] - intester[1], x2 = hpc[i+1][0] - intester[0], y2 = hpc[i+1][1] - intester[1]; ld x1 = hpc[i][0] - last->intester[0], y1 = hpc[i][1] - last->intester[1], x2 = hpc[i+1][0] - last->intester[0], y2 = hpc[i+1][1] - last->intester[1];
if(asign(y1, y2)) { if(asign(y1, y2)) {
ld x = xcross(x1, y1, x2, y2); ld x = xcross(x1, y1, x2, y2);
if(abs(x) < 1e-6 && !(last->flags & POLY_ISSIDE)) { if(abs(x) < 1e-3 && !(last->flags & POLY_ISSIDE)) {
printf("close call, x = %lf\n", x); printf("close call [%d], x = %lf\n", s, x);
last->flags |= POLY_BADCENTERIN;
} }
if(x < 0) last->flags ^= POLY_CENTERIN; if(x < 0) last->flags ^= POLY_CENTERIN;
} }
} }
if(!(last->flags & POLY_BADCENTERIN)) break;
}
bool allplus = true, allminus = true; bool allplus = true, allminus = true;
for(int i=last->s; i<last->e-1; i++) { for(int i=last->s; i<last->e-1; i++) {
@ -1664,8 +1696,6 @@ ld dlow_table[SIDEPARS], dhi_table[SIDEPARS];
void buildpolys() { void buildpolys() {
intester = hpxy(1e-3, 1.3e-3);
symmetriesAt.clear(); symmetriesAt.clear();
allshapes.clear(); allshapes.clear();
geom3::compute(); geom3::compute();
@ -2517,6 +2547,7 @@ dqi_poly& queuepolyat(const transmatrix& V, const hpcshape& h, color_t col, PPR
ptd.linewidth = vid.linewidth; ptd.linewidth = vid.linewidth;
ptd.flags = h.flags; ptd.flags = h.flags;
ptd.tinf = NULL; ptd.tinf = NULL;
ptd.intester = h.intester;
return ptd; return ptd;
} }
@ -2535,8 +2566,9 @@ dqi_poly& queuetable(const transmatrix& V, const vector<glvertex>& f, int cnt, c
ptd.color = fillcol; ptd.color = fillcol;
ptd.outline = linecol; ptd.outline = linecol;
ptd.linewidth = vid.linewidth; ptd.linewidth = vid.linewidth;
ptd.flags = 0; ptd.flags = POLY_ISSIDE;
ptd.tinf = NULL; ptd.tinf = NULL;
ptd.intester = C0;
return ptd; return ptd;
} }