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pconf.ball now a matrix (but not implemented draw_boundary yet)

This commit is contained in:
Zeno Rogue 2023-08-14 16:18:44 +02:00
parent 3069dbd316
commit cb05649732
4 changed files with 32 additions and 36 deletions
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16
drawing.cpp
View File

@ -353,10 +353,9 @@ EX int get_side(const hyperpoint& H) {
}
if(pmodel == mdRotatedHyperboles)
return H[1] > 0 ? -1 : 1;
if(pmodel == mdHyperboloid && hyperbolic)
return (models::sin_ball * H[2] > -models::cos_ball * H[1]) ? -1 : 1;
if(pmodel == mdHyperboloid && sphere)
return (models::sin_ball * H[2] > models::cos_ball * H[1]) ? -1 : 1;
if(pmodel == mdHyperboloid) {
return det2(pconf.ball() * cspin90(1, 2) * rgpushxto0(H)) > 0 ? 1 : -1;
}
if(pmodel == mdHyperboloidFlat && sphere)
return H[2] >= 0 ? 1 : -1;
if(pmodel == mdHemisphere && hyperbolic) {
@ -369,8 +368,9 @@ EX int get_side(const hyperpoint& H) {
int s = H1[2] > 0 ? 1 : -1;
if(hemi_side && s != hemi_side) return -spherespecial;
H1[0] /= H1[2]; H1[1] /= H1[2];
H1[2] = s * sqrt(1 + H1[0]*H1[0] + H1[1] * H1[1]);
return (models::sin_ball * H1[2] > models::cos_ball * H1[1]) ? 1 : -1;
H1[2] = -s * sqrt(1 + H1[0]*H1[0] + H1[1] * H1[1]);
dynamicval<geometryinfo1> g(cginf.g, giHyperb2);
return det2(pconf.ball() * cspin90(1, 2) * rgpushxto0(H1)) > 0 ? 1 : -1;
}
if(pmodel == mdSpiral && pconf.spiral_cone < 360) {
return cone_side(shiftless(H));
@ -2435,14 +2435,14 @@ EX void draw_main() {
}
if(pmodel == mdHemisphere && sphere && hemi_side == 0 && !vrhr::rendering()) {
hemi_side = models::sin_ball > 0 ? 1 : -1;
hemi_side = (pconf.ball() * hyperpoint(0,1,0,1)) [2] < 0 ? 1 : -1;
draw_main();
if(pconf.show_hyperboloid_flat) {
dynamicval<eModel> dv (pmodel, mdHyperboloidFlat);
dynamicval<int> ds (spherespecial, 1);
for(auto& ptd: ptds)
if(!among(ptd->prio, PPR::MOBILE_ARROW, PPR::OUTCIRCLE, PPR::CIRCLE))
if(!among(ptd->prio, PPR::MOBILE_ARROW, PPR::OUTCIRCLE, PPR::CIRCLE))
ptd->draw();
}

24
hypgraph.cpp
View File

@ -162,7 +162,7 @@ void ballmodel(hyperpoint& ret, double alpha, double d, double zl) {
ret[1] = ay;
ret[2] = ax * sa;
models::apply_ball(ret[2], ret[1]);
ret = pconf.ball() * ret;
}
bool use_z_coordinate() {
@ -970,7 +970,7 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
swap(ret[1], ret[2]);
models::apply_ball(ret[2], ret[1]);
ret = pconf.ball() * ret;
break;
}
@ -1032,7 +1032,7 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
ret[0] = ret[0] / 3;
tie(ret[1], ret[2]) = make_pair(((sphere?0:1) - ret[2]) / 3, ret[1] / 3);
models::apply_ball(ret[2], ret[1]);
ret = pconf.ball() * ret;
break;
}
@ -1443,7 +1443,7 @@ EX void apply_other_model(shiftpoint H_orig, hyperpoint& ret, eModel md) {
if(euclid) ret = models::euclidean_spin * ret;
ret[2] = (r-1) * sqrt( pow(360/pconf.spiral_cone, 2) - 1);
models::apply_ball(ret[2], ret[1]);
ret = pconf.ball() * ret;
}
else {
z = exp(z);
@ -2614,8 +2614,8 @@ EX void draw_model_elements() {
ld z = acosh(tz);
hyperpoint a = xpush0(z);
ld cb = models::cos_ball;
ld sb = models::sin_ball;
ld cb = pconf.ball() [1][1];
ld sb = pconf.ball() [1][2];
a[1] = sb * a[2] / -cb;
a[0] = sqrt(-1 + a[2] * a[2] - a[1] * a[1]);
@ -2807,11 +2807,13 @@ EX void draw_boundary(int w) {
break;
case mdHemisphere: {
ld cb = pconf.ball() [1][1];
ld sb = pconf.ball() [2][1];
if(hyperbolic) {
queuereset(mdPixel, p);
for(int i=0; i<=360; i++) {
ld s = sin(i * degree);
curvepoint(point3(current_display->radius * cos(i * degree), current_display->radius * s * (models::cos_ball * s >= 0 - 1e-6 ? 1 : abs(models::sin_ball)), 0));
curvepoint(point3(current_display->radius * cos(i * degree), current_display->radius * s * (cb * s >= 0 - 1e-6 ? 1 : abs(sb)), 0));
}
queuecurve(shiftless(Id), lc, fc, p);
queuereset(pmodel, p);
@ -2820,7 +2822,7 @@ EX void draw_boundary(int w) {
for(int i=0; i<=360; i++) {
ld s = sin(i * degree);
curvepoint(point3(current_display->radius * cos(i * degree), current_display->radius * s * models::sin_ball, 0));
curvepoint(point3(current_display->radius * cos(i * degree), current_display->radius * s * sb, 0));
}
queuecurve(shiftless(Id), lc, fc, p);
queuereset(pmodel, p);
@ -2842,8 +2844,8 @@ EX void draw_boundary(int w) {
as_hyperboloid:
ld& tz = pconf.top_z;
ld mz = sphere ? atan(sqrt(tz*tz-1)) : acosh(tz);
ld cb = models::cos_ball;
ld sb = models::sin_ball;
ld cb = pconf.ball() [1][1];
ld sb = pconf.ball() [2][1];
if(abs(sb) <= abs(cb) + 1e-5) {
ld step = .01 / (1 << vid.linequality);
@ -3196,7 +3198,7 @@ EX int cone_side(const shiftpoint H) {
ret[1] = cos(alpha) * r;
ret[2] = (r-1) * sqrt( pow(360/pconf.spiral_cone, 2) - 1);
models::apply_ball(ret[2], ret[1]);
ret = pconf.ball() * ret;
return ret;
};

5
legacy.cpp
View File

@ -358,6 +358,11 @@ int read_legacy_args() {
PHASE(3); start_game();
View = Id; playermoved = false;
}
else if(argis("-ballangle")) {
PHASEFROM(2);
shift(); println(hlog, "-ballangle not implemented");
// shift_arg_formula(vpconf.ballangle);
}
else return 1;
return 0;
}

23
models.cpp
View File

@ -136,6 +136,8 @@ projection_configuration::projection_configuration() {
dualfocus_autoscale = false;
axial_angle = 90;
ptr_model_orientation = new trans23;
ptr_ball = new transmatrix;
*ptr_ball = cspin(1, 2, 20._deg);
}
EX namespace models {
@ -144,7 +146,6 @@ EX namespace models {
EX ld rotation_xz = 90;
EX ld rotation_xy2 = 90;
EX int do_rotate = 1;
EX ld cos_ball, sin_ball;
EX bool model_straight, model_straight_yz;
/** screen coordinates to orientation logical coordinates */
@ -155,11 +156,6 @@ EX namespace models {
EX void scr_to_ori(hyperpoint& h) { if(!model_straight) h = iso_inverse(pconf.mori().get()) * h; }
EX void scr_to_ori(transmatrix& h) { if(!model_straight) h = iso_inverse(pconf.mori().get()) * h; }
#if HDR
template<class A>
void apply_ball(A& x, A& y) { tie(x,y) = make_pair(x*cos_ball + y*sin_ball, y*cos_ball - x*sin_ball); }
#endif
EX transmatrix rotmatrix() {
if(GDIM == 2 || gproduct) return spin(rotation * degree);
return spin(rotation_xy2 * degree) * cspin(0, 2, -rotation_xz * degree) * spin(rotation * degree);
@ -175,8 +171,6 @@ EX namespace models {
EX transmatrix euclidean_spin;
EX void configure() {
ld ball = -pconf.ballangle * degree;
cos_ball = cos(ball), sin_ball = sin(ball);
model_straight = (pconf.mori().get()[0][0] > 1 - 1e-9);
model_straight_yz = GDIM == 2 || (pconf.mori().get()[2][2] > 1-1e-9);
if(history::on) history::apply();
@ -603,7 +597,7 @@ EX namespace models {
}
if(is_3d(vpconf) && GDIM == 2 && !vr_settings)
add_edit(vpconf.ballangle);
add_edit(vpconf.ball());
if(vr_settings) {
dialog::addSelItem(XLAT("VR: rotate the 3D model"), fts(vpconf.vr_angle) + "°", 'B');
@ -848,10 +842,6 @@ EX namespace models {
shift(); vpconf.formula = args();
}
}
else if(argis("-ballangle")) {
PHASEFROM(2);
shift_arg_formula(vpconf.ballangle);
}
else if(argis("-topz")) {
PHASEFROM(2);
shift_arg_formula(vpconf.top_z);
@ -1099,16 +1089,15 @@ EX namespace models {
param_f(p.camera_angle, pp+"cameraangle", sp+"camera angle", 0);
addsaver(p.ballproj, sp+"ballproj", 1);
param_f(p.ballangle, pp+"ballangle", sp+"ball angle", 20)
-> editable(0, 90, 5, "camera rotation in 3D models",
param_matrix(p.ball(), pp+"ballangle", 3)
-> editable("camera rotation in 3D models",
"Rotate the camera in 3D models (ball model, hyperboloid, and hemisphere). "
"Note that hyperboloid and hemisphere models are also available in the "
"Hypersian Rug surfaces menu, but they are rendered differently there -- "
"by making a flat picture first, then mapping it to a surface. "
"This makes the output better in some ways, but 3D effects are lost. "
"Hypersian Rug model also allows more camera freedom.",
'b')
-> unit = "°";
'b');
string help =
"This parameter has a bit different scale depending on the settings:\n"