136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
// used in: https://twitter.com/ZenoRogue/status/1449021648137502721
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// other animations in this thread use the TES system (tessellations/sample/star-*.tes)
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// but hexagrams and horospheres are not supported in tes, so we do them manually
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// commandline: -canvas 0 -geo 44onh -PM 0 -horo63 -tstep 16 -noplayer -back ffffff
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// add to make a animation: -shot-1000 -animrot 1 90 -animvideo 300 name.mp4
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#include "rogueviz.h"
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namespace hr {
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namespace horo63 {
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map<pair<int, int>, color_t> mco;
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map<pair<int, int>, bool> sco;
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bool draw_horo63(cell *c, const shiftmatrix& V) {
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if(c != currentmap->gamestart()) return false;
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int mx = 30;
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for(int x=-mx; x<=mx; x++)
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for(int y=-mx; y<=mx; y++) if(x*x+y*y <= mx*mx) {
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array<hyperpoint, 6> c;
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hyperpoint ctr;
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for(int i=0; i<6; i++) {
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hyperpoint h = spin(TAU*i/6) * point31(1,0,0);
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h[0] += x;
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h[0] += y/2.;
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h[1] += sqrt(3)/2. * y;
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//println(hlog, tie(x,i), h);
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c[i] = parabolic13(h[0]*.5, h[1]*.5) * xpush0(-2);
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ctr += c[i];
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}
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ctr = normalize(ctr);
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color_t& col = mco[{y,x}];
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if(col == 0) col = (hrand(0x1000000)<<8) | 0x808080FF;
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for(int a=0; a<8; a++)
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texture_order([&] (ld i, ld j) {
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curvepoint(normalize(ctr*(1-j-i) + c[a]*i + c[(a+2)%6]*j));
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});
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auto& cu = queuecurve(V, 0, col, PPR::WALL);
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cu.flags |= POLY_TRIANGLES;
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cu.tinf = &floor_texture_vertices[cgi.shStarFloor.id];
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ensure_vertex_number(*cu.tinf, cu.cnt);
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}
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println(hlog, "drawn");
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return false;
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}
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void enable63() {
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rogueviz::rv_hook(hooks_drawcell, 100, draw_horo63);
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}
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bool draw_horo44(cell *c, const shiftmatrix& V) {
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if(c != currentmap->gamestart()) return false;
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int mx = 10;
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for(int x=-mx; x<=mx; x++)
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for(int y=-mx; y<=mx; y++) if(x*x+y*y <= mx*mx) {
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if(x < -4 || y < -4 || x > 3 || y > 3) continue;
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array<hyperpoint, 8> c;
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hyperpoint ctr;
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array<double, 8> dx = {1, 3, 3, 1, -1, -3, -3, -1};
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array<double, 8> dy = {3, 1, -1, -3, -3, -1, 1, 3};
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for(int i=0; i<8; i++) {
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ld ax = x + dx[i]/2. + .5;
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ld ay = y + dy[i] / 2. + .5;
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ax /= 2;
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ay /= 2;
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c[i] = parabolic13(ax, ay) * xpush0(-1);
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ctr += c[i];
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}
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ctr = normalize(ctr);
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color_t& col = mco[{y,x}];
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auto mod = [] () {
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color_t col = 0;
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for(int i=0; i<3; i++) part(col, i) = hrand(64);
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return col << 8;
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};
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bool& special = sco[{y,x}];
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if(col == 0) {
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if(x == 1 && y == 0)
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col = 0x7F1010FF, special = true;
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else if(x == -1 && y == 1)
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col = 0x40FF40FF, special = true;
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else if(x == -2 && y == -1)
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col = 0x00007FFF, special = true;
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else if(x == 0 && y == -2)
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col = 0xFFD540FF, special = true;
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else if((x+y)&1) {
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col = mod() ^ 0xFF;
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// part(col, 1+hrand(3)) ^= 0x20;
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}
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else {
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col = mod() ^ 0xFFFFFFFF;
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// part(col, 1+hrand(3)) ^= 0x20;
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}
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}
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for(int a=0; a<8; a++)
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texture_order([&] (ld i, ld j) {
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curvepoint(normalize(ctr*(1-j-i) + c[a]*i + c[(a+2)%8]*j));
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});
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if(false)
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for(auto v1: c)
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for(auto v2: c)
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for(int i=0; i<5; i++)
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hr::addaura(V*normalize(v1*i+v2*(4-i)), col >> 8, 0);
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auto& cu = queuecurve(V, 0, col, PPR::WALL);
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cu.flags |= POLY_TRIANGLES;
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cu.tinf = &floor_texture_vertices[cgi.shStarFloor.id];
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ensure_vertex_number(*cu.tinf, cu.cnt);
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}
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return false;
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}
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void enable44() {
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rogueviz::rv_hook(hooks_drawcell, 100, draw_horo44);
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}
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auto frac_ah = arg::add3("-horo63", enable63) + arg::add3("-horo44", enable44);
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}}
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// 0 0
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// 1 2
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