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more portal fixes

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This commit is contained in:
Zeno Rogue 2021-10-09 10:24:35 +02:00
parent 7d5d2e44e8
commit a79d28fafe
2 changed files with 21 additions and 11 deletions
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15
intra.cpp
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@ -142,7 +142,12 @@ EX portal_data make_portal(cellwalker cw, int spin) {
id.d = product_decompose(fac[0]).first;
id.v0 = C0 * exp(id.d);
if(bt::in()) {
fac.pop_back();
for(auto h: fac)
println(hlog, PIU(deparabolic13(normalize_flat(h))));
if(cw.spin == cw.at->type - 2)
fac.pop_back();
else
fac.erase(fac.begin() + 1);
id.scale = log(2)/2;
}
else {
@ -157,12 +162,12 @@ EX portal_data make_portal(cellwalker cw, int spin) {
id.v0 = Hypc;
id.scale = cgi.plevel;
for(auto p: fac) id.v0 += p;
id.v0 /= sqrt(abs(intval(id.v0, Hypc)));
hyperpoint h = fac[0];
h /= sqrt(abs(intval(h, Hypc)));
id.v0 = normalize_flat(id.v0);
hyperpoint h = normalize_flat(fac[0]);
id.T = cspin(0, 1, -90*degree) * spintox(gpushxto0(id.v0) * h) * gpushxto0(id.v0);
if((id.T * C0)[0] > 0) id.T = cspin(0, 1, 180*degree) * id.T;
for(int i=0; i<3; i++) id.T[3][i] = id.T[i][3] = i==3;
if(debugflags & DF_GEOM)
// if(debugflags & DF_GEOM)
for(int a=0; a<4; a++) {
hyperpoint h = fac[a];
println(hlog, kz(h), " -> ", kz(spintox(id.v0)*h), " -> ", kz(cpush(0, -hdist0(id.v0))) * kz(spintox(id.v0) * h), " -> ", kz(id.to_poco(h)));

17
raycaster.cpp
View File

@ -1012,12 +1012,17 @@ void raygen::emit_intra_portal(int gid1, int gid2) {
fmain += "if(pconnection.x != .5) {\n"; // kind != 0
if(1) {
string fn = bt::in() ? "to_poco_h2xr_b" : in_h2xe() ? "to_poco_h2xr_h" : "to_poco_s2xr_s";
string tmul = "";
if(!bt::in()) {
fmain +=
" mediump mat4 tkt = " + getM("mid+1") + ";\n";
tmul = "tkt*";
}
fmain +=
" mediump mat4 tkt = " + getM("mid+1") + ";\n"
" nposition = position + tangent * xspeed * 1e-3;\n"
" position = "+fn+"(tkt*position);\n"
" position = "+fn+"("+tmul+"position);\n"
" position.z = 0.;\n" // zpos - uPLevel;\n"
" nposition = "+fn+"(tkt*nposition);\n"
" nposition = "+fn+"("+tmul+"nposition);\n"
" nposition.z = zspeed * 1e-3;\n"
" if(pconnection.y < .5) { nposition.z = -nposition.z; nposition.x = -nposition.x; position.x = -position.x; }\n";
}
@ -1081,15 +1086,15 @@ void raygen::emit_intra_portal(int gid1, int gid2) {
fmain += "if(pconnection.z != .5) {\n"; // kind != 0
if(1) {
string sgn = in_h2xe() ? "-" : "+";
string fn = bt::in() ? "from_poco_h2xr_b" : in_h2xe() ? "from_poco_h2xr_h" : "from_poco_s2xr_s";
string fn = bt::in() ? "from_poco_h2xr_b" : in_h2xe() ? "itkt*from_poco_h2xr_h" : "itkt*from_poco_s2xr_s";
fmain +=
" if(pconnection.w < .5) { position.z = -position.z; nposition.z = -nposition.z; nposition.x = -nposition.x; position.x = -position.x; }\n"
" zspeed = (nposition.z - position.z) * 1e3;\n"
" zpos = position.z + (pconnection.w - .5) * 16.;\n"
" mediump mat4 itkt = " + getM("mid+2") + ";\n"
" position = itkt*"+fn+"(position);\n"
" nposition = itkt*"+fn+"(nposition);\n"
" position = "+fn+"(position);\n"
" nposition = "+fn+"(nposition);\n"
" tangent = (nposition - position) * 1e3;\n"
" mediump float pnorm = tangent.z * position.z "+sgn+" tangent.x * position.x "+sgn+" tangent.y * position.y;\n"
" tangent -= position * pnorm;\n"