mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-23 21:07:17 +00:00
rogueviz:: added the Impossible Ring visualization
This commit is contained in:
Zeno Rogue
parent
c0e11b731a
commit
409f171ca7
242
rogueviz/impossible-ring.cpp
Normal file
242
rogueviz/impossible-ring.cpp
Normal file
@ -0,0 +1,242 @@
|
||||
#include "../hyper.h"
|
||||
|
||||
// Impossible Ring visualization
|
||||
|
||||
// used in:
|
||||
// https://youtu.be/3WejR74o6II
|
||||
// https://youtu.be/ztodGQDK810
|
||||
|
||||
namespace hr {
|
||||
|
||||
ld cscale = .2;
|
||||
|
||||
struct iring {
|
||||
|
||||
static const int frames = 32;
|
||||
|
||||
static const int cols = 256;
|
||||
|
||||
static const int steps = 2048;
|
||||
|
||||
array<array<hpcshape, cols>, frames> ptriangle[2];
|
||||
|
||||
vector<color_t> huess[2];
|
||||
|
||||
vector<transmatrix> path;
|
||||
|
||||
void init() {
|
||||
|
||||
unsigned difh = 256;
|
||||
int mh = 255;
|
||||
color_t base = 0xFF;
|
||||
|
||||
auto& hues = huess[0];
|
||||
|
||||
for(unsigned y=0; y<difh; y++)
|
||||
hues.push_back(base + 0x1000000*mh + 0x10000 * y);
|
||||
for(unsigned y=0; y<difh; y++)
|
||||
hues.push_back(base + 0x1010000*mh - 0x1000000 * y);
|
||||
for(unsigned y=0; y<difh; y++)
|
||||
hues.push_back(base + 0x0010000*mh + 0x100 * y);
|
||||
for(unsigned y=0; y<difh; y++)
|
||||
hues.push_back(base + 0x0010100*mh - 0x10000 * y);
|
||||
for(unsigned y=0; y<difh; y++)
|
||||
hues.push_back(base + 0x0000100*mh + 0x1000000 * y);
|
||||
for(unsigned y=0; y<difh; y++)
|
||||
hues.push_back(base + 0x1000100*mh - 0x100 * y);
|
||||
|
||||
for(color_t h: hues) huess[1].push_back(((h & 0xFEFEFE00) >> 1) | 0xFF);
|
||||
|
||||
ld delta = 0.004;
|
||||
|
||||
transmatrix T = cspin(1, 2, 45*degree);
|
||||
|
||||
int switchat = nil ? 1024 : 2048;
|
||||
|
||||
auto step = [&] (int id) {
|
||||
ld alpha = id * 1. / steps * 2 * M_PI;
|
||||
if(id < switchat)
|
||||
return T * point3(cos(alpha) * delta, sin(alpha) * delta, 0);
|
||||
else
|
||||
return T * point3(cos(alpha) * delta, 0, sin(alpha) * delta);
|
||||
};
|
||||
|
||||
ld dmin = 0, dmax = 1;
|
||||
|
||||
auto shift = [&] (ld d) {
|
||||
delta = d;
|
||||
|
||||
hyperpoint start = C0;
|
||||
|
||||
for(int a=0; a<steps; a++) {
|
||||
hyperpoint s = step(a);
|
||||
start = rgpushxto0(start) * (C0+s);
|
||||
}
|
||||
|
||||
println(hlog, "start[", delta, "] = ", kz(start));
|
||||
|
||||
return start[2];
|
||||
};
|
||||
|
||||
println(hlog, shift(0.0001), shift(1));
|
||||
|
||||
if(nil) for(int it=0; it<50; it++) {
|
||||
delta = (dmin + dmax) / 2;
|
||||
|
||||
ld val = shift(delta);
|
||||
|
||||
if(val > 0) dmax = delta;
|
||||
else dmin = delta;
|
||||
}
|
||||
|
||||
println(hlog, "delta = ", delta);
|
||||
|
||||
vector<array<hyperpoint, 4> > pipe;
|
||||
|
||||
hyperpoint start = C0;
|
||||
|
||||
path.resize(2 * steps);
|
||||
|
||||
for(int a=0; a<steps; a++) {
|
||||
|
||||
hyperpoint uds[3];
|
||||
|
||||
ld alpha = a * 1. / steps * 2 * M_PI;
|
||||
if(a < switchat) {
|
||||
uds[0] = T * point31(sin(alpha) * cscale, -cos(alpha) * cscale, 0) - C0;
|
||||
uds[1] = T * point31(0, 0, cscale) - C0;
|
||||
uds[2] = T * point31(-cos(alpha) * cscale, -sin(alpha) * cscale, 0) - C0;
|
||||
}
|
||||
else {
|
||||
uds[0] = T * point31(0, cscale, 0) - C0;
|
||||
uds[1] = T * point31(sin(alpha) * cscale, 0, -cos(alpha) * cscale) - C0;
|
||||
uds[2] = T * point31(-cos(alpha) * cscale, 0, -sin(alpha) * cscale) - C0;
|
||||
}
|
||||
|
||||
// compute cube vertices
|
||||
|
||||
array<hyperpoint, 4> verts;
|
||||
|
||||
for(int a=0; a<4; a++) {
|
||||
verts[a] = C0;
|
||||
for(int k=0; k<2; k++)
|
||||
verts[a] += (a&(1<<k)) ? uds[k] : -uds[k];
|
||||
verts[a] = nisot::translate(start) * verts[a];
|
||||
}
|
||||
|
||||
pipe.push_back(verts);
|
||||
|
||||
path[a] = inverse(build_matrix(uds[0], uds[1], uds[2], C0)) * inverse(rgpushxto0(start));
|
||||
path[a+steps] = inverse(build_matrix(-uds[0], -uds[1], uds[2], C0)) * inverse(rgpushxto0(start));
|
||||
|
||||
// println(hlog, "gs = ", gpushxto0(start));
|
||||
|
||||
println(hlog, "start @ ", inverse(rgpushxto0(start)) * start);
|
||||
|
||||
hyperpoint s = step(a);
|
||||
start = rgpushxto0(start) * (C0 + s);
|
||||
|
||||
// * );
|
||||
}
|
||||
|
||||
pipe.resize(steps + frames);
|
||||
for(int i=0; i<frames; i++)
|
||||
for(int j=0; j<4; j++)
|
||||
pipe[i+steps][j] = pipe[i][j^3];
|
||||
|
||||
for(int fr=0; fr<frames; fr++)
|
||||
for(int sa=0; sa<2; sa++)
|
||||
for(int si=0; si<cols; si++) {
|
||||
auto textured_square = [&] (auto f) {
|
||||
texture_order([&] (ld ix, ld iy) { f(.5 + ix/2 + iy/2, .5 + ix/2 - iy/2); });
|
||||
texture_order([&] (ld ix, ld iy) { f(.5 - ix/2 - iy/2, .5 - ix/2 + iy/2); });
|
||||
texture_order([&] (ld ix, ld iy) { f(.5 + ix/2 - iy/2, .5 - ix/2 - iy/2); });
|
||||
texture_order([&] (ld ix, ld iy) { f(.5 - ix/2 + iy/2, .5 + ix/2 + iy/2); });
|
||||
};
|
||||
|
||||
auto pipesquare = [&] (hyperpoint a00, hyperpoint a01, hyperpoint a10, hyperpoint a11) {
|
||||
textured_square( [&] (ld ix, ld iy) {
|
||||
hyperpoint shf = lerp(lerp(a00, a01, ix), lerp(a10, a11, ix), iy);
|
||||
// if(cscale) shf = shf * cscale - C0 * (cscale-1);
|
||||
cgi.hpcpush(shf);
|
||||
});
|
||||
};
|
||||
|
||||
cgi.bshape(ptriangle[sa][fr][si], PPR::WALL);
|
||||
|
||||
for(int i=fr; i<steps; i+=frames) {
|
||||
auto& pi = pipe[i];
|
||||
auto& pj = pipe[i+frames];
|
||||
|
||||
int val = i * cols / steps / 2;
|
||||
|
||||
if(si == val && sa == 0) pipesquare(pi[0], pi[2], pj[0], pj[2]);
|
||||
if(si == (val+cols/2)%cols && sa == 0) pipesquare(pi[1], pi[3], pj[1], pj[3]);
|
||||
if(si == (val+cols/4)%cols && sa == 1) pipesquare(pi[0], pi[1], pj[0], pj[1]);
|
||||
if(si == (val+cols*3/4)%cols && sa == 1) pipesquare(pi[2], pi[3], pj[2], pj[3]);
|
||||
}
|
||||
|
||||
cgi.last->flags |= POLY_TRIANGLES;
|
||||
cgi.last->tinf = &floor_texture_vertices[0];
|
||||
cgi.last->texture_offset = 0;
|
||||
cgi.finishshape();
|
||||
cgi.extra_vertices();
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
iring *ir;
|
||||
|
||||
bool draw_ptriangle(cell *c, const transmatrix& V) {
|
||||
|
||||
if(!ir) { ir = new iring; ir->init();
|
||||
// growthrate();
|
||||
}
|
||||
|
||||
if(c == cwt.at) {
|
||||
int frid = (ticks % 1000) * ir->frames / 1000;
|
||||
for(int sa: {0, 1})
|
||||
for(int side=0; side<ir->cols; side++) {
|
||||
auto &s = queuepoly(V, ir->ptriangle[sa][frid][side], ir->huess[sa][256*6/ir->cols * side]);
|
||||
ensure_vertex_number(*s.tinf, s.cnt);
|
||||
|
||||
/* auto& s1 = queuepoly(V * nisot::translate(td.at), ir->pcube[side], gradient(tcolors[td.tcolor], magiccolors[side], 0, .2, 1));
|
||||
ensure_vertex_number(*s1.tinf, s1.cnt); */
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
bool cylanim = false;
|
||||
|
||||
auto hchook = addHook(hooks_drawcell, 100, draw_ptriangle)
|
||||
|
||||
+ addHook(hooks_args, 100, [] {
|
||||
using namespace arg;
|
||||
|
||||
if(0) ;
|
||||
else if(argis("-cyls")) {
|
||||
shift_arg_formula(cscale);
|
||||
}
|
||||
else if(argis("-cylanim")) {
|
||||
cylanim = !cylanim;
|
||||
}
|
||||
else return 1;
|
||||
return 0;
|
||||
})
|
||||
|
||||
+ addHook(anims::hooks_anim, 100, [] {
|
||||
if(!ir || !cylanim) return;
|
||||
centerover = currentmap->gamestart();
|
||||
long long isp = isize(ir->path);
|
||||
View = ir->path[isp-1 - (ticks * isp / int(anims::period)) % isp];
|
||||
shift_view(point3(0, 0.3, 0));
|
||||
anims::moved();
|
||||
});
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user