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rogueviz:: qtm:: slides added

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This commit is contained in:
Zeno Rogue 2021-04-07 02:36:53 +02:00
parent 5cc5af932a
commit 901379d284
1 changed files with 74 additions and 15 deletions
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89
rogueviz/qtm.cpp
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@ -1,4 +1,4 @@
#include "../hyper.h"
#include "rogueviz.h"
// Copyright (C) 2011-2019 Zeno Rogue, see 'hyper.cpp' for details
@ -21,7 +21,7 @@ namespace hybrid { extern hrmap *pmap; }
namespace qtm {
int mode;
int qmode;
color_t rainbow_color_at(hyperpoint h) {
ld sat = 1 - 1 / h[2];
@ -38,11 +38,11 @@ void set_cell(cell *c) {
c->landparam = c1->landparam;
c->item = itNone;
c->monst = moNone;
if(mode == 1) {
if(qmode == 1) {
if(hybrid::get_where(c).second == 0)
c->landparam = 0xFFFFFF;
}
if(mode == 2) {
if(qmode == 2) {
if(hybrid::get_where(c).second != 0)
c->wall = waNone;
}
@ -73,29 +73,31 @@ void set_cell(cell *c) {
}
}
bool qtm_on;
bool may_set_cell(cell *c, int d, cell *from) {
if(qtm_on) set_cell(c);
set_cell(c);
return false;
}
void enable() {
addHook(hooks_cellgen, 100, may_set_cell);
}
int args() {
using namespace arg;
if(0) ;
else if(argis("-qtm-stripe")) {
mode = 1;
qmode = 1;
}
else if(argis("-qtm-no-stripe")) {
mode = 0;
qmode = 0;
}
else if(argis("-qtm-stripe-only")) {
mode = 2;
qmode = 2;
}
else if(argis("-qtm")) {
PHASEFROM(2);
qtm_on = true;
enable();
}
else if(argis("-spheredemo")) {
@ -188,10 +190,67 @@ int args() {
return 0;
}
auto hooks = addHook(hooks_cellgen, 100, may_set_cell)
+ addHook(hooks_args, 100, args);
auto hooks =
addHook(hooks_args, 100, args)
+ addHook(rogueviz::pres::hooks_build_rvtour, 180, [] (string s, vector<tour::slide>& v) {
if(s != "mixed") return;
using namespace tour;
for(int m: {1,2}) {
string ex = m == 1 ? " (A)" : " (B)";
string bonus = m == 2 ? "\n\nTo make stretching more interesting, only the 'stripes' are filled now." : "";
v.push_back(slide{
"rotations/isometries of 2-sphere"+ex, 10, LEGAL::NONE | QUICKGEO,
"3D engines often represent rotations as unit quaternions. These form a 3D elliptic space. What if we could fly through this space of rotations?\n\n"
"Rotation matching the current camera position shown in the corner. Beams in the rotation space correspond to bumps on the sphere.\n\n"
"You can also obtain a different geometry (Berger sphere) by stretching along the fibers. Press 5 to stretch."+bonus
,
[m] (presmode mode) {
setCanvas(mode, '0');
slide_url(mode, 't', "Twitter link", "https://twitter.com/ZenoRogue/status/1166723332840001536");
slide_url(mode, 's', "stretched Twitter link", "https://twitter.com/ZenoRogue/status/1258035231996682244");
if(mode == pmStart) {
set_geometry(gSphere);
set_variation(eVariation::bitruncated);
set_geometry(gRotSpace);
slide_backup(rots::underlying_scale, .25);
slide_backup(qmode, m);
slide_backup(ray::max_cells, 32768);
slide_backup(ray::fixed_map, true);
slide_backup(smooth_scrolling, true);
slide_backup(camera_speed, .1);
enable();
start_game();
}
if(mode == pmKey)
edit_stretch();
}});
v.push_back(slide{
"rotations/isometries of the hyperbolic plane"+ex, 10, LEGAL::NONE | QUICKGEO,
"The hyperbolic analog of the previous slide. The space is PSL(2,R) now, which has a non-isotropic geometry. It can be represented using split quaternions.\n\n"
"Again, press 5 to stretch."+bonus
,
[m] (presmode mode) {
setCanvas(mode, '0');
slide_url(mode, 's', "stretched Twitter link", "https://twitter.com/ZenoRogue/status/1259143275115687936");
if(mode == pmStart) {
set_geometry(gKleinQuartic);
set_variation(eVariation::bitruncated);
set_geometry(gRotSpace);
slide_backup(rots::underlying_scale, .25);
slide_backup(qmode, m);
slide_backup(ray::max_cells, 32768);
slide_backup(ray::fixed_map, true);
slide_backup(ray::want_use, 2);
slide_backup(smooth_scrolling, true);
slide_backup(camera_speed, .1);
enable();
start_game();
}
if(mode == pmKey)
edit_stretch();
}});
}
});
}