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some work on 3D view

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2019-02-21 18:46:53 +01:00
committed by Zeno Rogue
parent a3eb161235
commit e73d2f2f22
12 changed files with 118 additions and 59 deletions
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9
hyperpoint.cpp
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@@ -438,7 +438,7 @@ void fixmatrix(transmatrix& T) {
// show the matrix on screen
ld det(const transmatrix& T) {
#if DIM == 3
#if DIM == 2
ld det = 0;
for(int i=0; i<3; i++)
det += T[0][i] * T[1][(i+1)%3] * T[2][(i+2)%3];
@@ -472,7 +472,7 @@ void inverse_error(const transmatrix& T) {
transmatrix inverse(const transmatrix& T) {
profile_start(7);
#if DIM == 3
#if DIM == 2
ld d = det(T);
transmatrix T2;
if(d == 0) {
@@ -493,8 +493,7 @@ transmatrix inverse(const transmatrix& T) {
if(T1[b][a]) {
if(b != a)
for(int c=0; c<MDIM; c++)
tie(T1[b][c], T1[a][c]) = make_pair(T1[a][c], T1[b][c]),
tie(T2[b][c], T2[a][c]) = make_pair(T2[a][c], T2[b][c]);
swap(T1[b][c], T1[a][c]), swap(T2[b][c], T2[a][c]);
break;
}
if(!T1[a][a]) { inverse_error(T); return Id; }
@@ -612,7 +611,7 @@ transmatrix mzscale(const transmatrix& t, double fac) {
return res;
}
transmatrix pushone() { return euclid ? eupush(1, 0) : xpush(sphere?.5 : 1); }
transmatrix pushone() { return xpush(sphere?.5 : 1); }
bool operator == (hyperpoint h1, hyperpoint h2) {
for(int i=0; i<MDIM; i++) if(h1[i] != h2[i]) return false;