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rogueviz/simple-impossible.cpp

This commit is contained in:
Zeno Rogue 2023-01-30 00:46:18 +01:00
parent 395cbf3668
commit c468c90463
1 changed files with 22 additions and 21 deletions
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43
rogueviz/simple-impossible.cpp
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@ -21,14 +21,12 @@ hyperpoint last_loc;
transmatrix to_iso, from_iso;
hyperpoint to_rot(hyperpoint h) {
if(nil) h[2] -= h[0] * h[1] / 2;
return h;
hyperpoint from_heis(hyperpoint h) {
return nilv::checked_convert(h, nilv::nmHeis, nilv::model_used);
}
hyperpoint to_heis(hyperpoint h) {
if(nil) h[2] += h[0] * h[1] / 2;
return h;
hyperpoint from_rot(hyperpoint h) {
return nilv::checked_convert(h, nilv::nmSym, nilv::model_used);
}
void make_wall(hpcshape& sh, vector<hyperpoint> hs) {
@ -53,7 +51,7 @@ void place_brick(euc::coord co, color_t col = 0xFFD500, int which = -1) {
bri.col = col;
bri.walls = which;
auto rel = co - last_co;
bri.location = eupush(last_loc) * to_heis(to_iso * (point31(rel[0], rel[1], rel[2])));
bri.location = eupush(last_loc) * from_rot(to_iso * (point31(rel[0], rel[1], rel[2])));
hyperpoint sloc, floc;
@ -63,7 +61,7 @@ void place_brick(euc::coord co, color_t col = 0xFFD500, int which = -1) {
for(int c=0; c<3; c++)
h[c] = (a & (1<<c)) ? .5 : -.5;
h = to_iso * h;
to_heis(h);
from_rot(h);
vertices[a] = h;
}
@ -71,9 +69,9 @@ void place_brick(euc::coord co, color_t col = 0xFFD500, int which = -1) {
hyperpoint root_loc = bri.location, next_loc = bri.location;
for(int c=0; c<3; c++) {
while(root[c] % 6 != 0)
root[c]--, root_loc = eupush(root_loc) * to_heis(to_iso * (C0 - ctangent(c, 1)));
root[c]--, root_loc = eupush(root_loc) * from_rot(to_iso * (C0 - ctangent(c, 1)));
while(next[c] % 6 != 0)
next[c]++, next_loc = eupush(next_loc) * to_heis(to_iso * (C0 + ctangent(c, 1)));
next[c]++, next_loc = eupush(next_loc) * from_rot(to_iso * (C0 + ctangent(c, 1)));
}
array<hyperpoint, 8> mvertices = vertices;
@ -92,9 +90,9 @@ void place_brick(euc::coord co, color_t col = 0xFFD500, int which = -1) {
hyperpoint start = mvertices[a];
hyperpoint end = inverse(eupush(root_loc)) * eupush(next_loc) * mvertices[b];
end = inverse(eupush(start)) * end;
end = to_rot(end);
vertices[b] = inverse(eupush(bri.location)) * eupush(root_loc) * eupush(start) * to_heis(lerp(C0, end, p0));
vertices[a] = inverse(eupush(bri.location)) * eupush(root_loc) * eupush(start) * to_heis(lerp(C0, end, p1));
end = from_heis(end);
vertices[b] = inverse(eupush(bri.location)) * eupush(root_loc) * eupush(start) * from_rot(lerp(C0, end, p0));
vertices[a] = inverse(eupush(bri.location)) * eupush(root_loc) * eupush(start) * from_rot(lerp(C0, end, p1));
/*
vertices[b] = lerp(
@ -148,6 +146,9 @@ void draw_ro() {
if(true) {
transmatrix S = Id;
if(!nilv::model_used) cspin(0, 1, ticks * TAU / anims::period);
int bid = 0;
for(auto& b: bricks) { bid++;
transmatrix V = eupush(b.location);
@ -157,7 +158,7 @@ void draw_ro() {
int d = (wcol & 0xF0F0F0) >> 4;
for(int di=0; di<6; di++) if((1<<di)&which) {
auto &w1 = queuepoly(Zero * V, b.shRotWall[di], darkena(wcol - d * darkval_e6[di], 0, 0xFF));
auto &w1 = queuepoly(Zero * S * V, b.shRotWall[di], darkena(wcol - d * darkval_e6[di], 0, 0xFF));
w1.tinf = &floor_texture_vertices[cgi.shFloor.id];
ensure_vertex_number(*w1.tinf, w1.cnt);
}
@ -325,18 +326,18 @@ void build_stair() {
transmatrix T = spin(90._deg*diy);
hs[0] = T * point31(+xx, -xx, -hei);
hs[1] = T * point31(+xx, +xx, -hei);
hs[2] = to_rot(eupush(C0 + shift) * to_heis(T * point31(-xx, +xx, -hei)));
hs[3] = to_rot(eupush(C0 + shift) * to_heis(T * point31(-xx, -xx, -hei)));
hs[2] = from_heis(eupush(C0 + shift) * from_rot(T * point31(-xx, +xx, -hei)));
hs[3] = from_heis(eupush(C0 + shift) * from_rot(T * point31(-xx, -xx, -hei)));
}
else {
transmatrix T = spin(90._deg*diy);
hyperpoint lshift = step ? shift : spin270() * shift;
hs[0] = to_rot(eupush(C0 - lshift) * to_heis(T * point31(-xx, +xx, hei)));
hs[1] = to_rot(eupush(C0 - lshift) * to_heis(T * point31(-xx, -xx, hei)));
hs[0] = from_heis(eupush(C0 - lshift) * from_rot(T * point31(-xx, +xx, hei)));
hs[1] = from_heis(eupush(C0 - lshift) * from_rot(T * point31(-xx, -xx, hei)));
hs[2] = T * point31(+xx, -xx, hei);
hs[3] = T * point31(+xx, +xx, hei);
}
for(auto& h: hs) h = to_heis(h);
for(auto& h: hs) h = from_rot(h);
make_wall(bri.shRotWall[di], hs);
}
@ -363,10 +364,10 @@ hyperpoint interp(ld t) {
hyperpoint next = path[(ti+1)%no];
hyperpoint n = inverse(eupush(prev)) * next;
n = to_rot(n);
n = from_heis(n);
n = lerp(C0, n, t);
return eupush(prev) * to_heis(n);
return eupush(prev) * from_rot(n);
}
void enable() {