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the rotation fix did not work in SL2

This commit is contained in:
Zeno Rogue 2020-11-14 15:04:52 +01:00
parent bc102b000d
commit 35a502ae9a
3 changed files with 10 additions and 2 deletions
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8
hyperpoint.cpp
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@ -877,6 +877,14 @@ EX void orthonormalize(transmatrix& T) {
}
}
/** fix a 3D rotation matrix */
EX void fix_rotation(transmatrix& rot) {
dynamicval<eGeometry> g(geometry, gSphere);
fixmatrix(rot);
for(int i=0; i<3; i++) rot[i][3] = rot[3][i] = 0;
rot[3][3] = 1;
}
/** determinant 2x2 */
EX ld det2(const transmatrix& T) {
return T[0][0] * T[1][1] - T[0][1] * T[1][0];

2
nonisotropic.cpp
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@ -2791,7 +2791,7 @@ EX namespace nisot {
transmatrix push = eupush( tC0(T) );
transmatrix push_back = eupush(tC0(T), -1);
transmatrix gtl = push_back * T;
{ dynamicval<eGeometry> g(geometry, gSphere); hr::fixmatrix(gtl); }
fix_rotation(gtl);
T = push * gtl;
}

2
shmup.cpp
View File

@ -176,7 +176,7 @@ void fix_to_2(transmatrix& T) {
if(nonisotropic) {
hyperpoint h = tC0(T);
transmatrix rot = gpushxto0(h) * T;
{ dynamicval<eGeometry> g(geometry, gSphere); fixmatrix(rot); }
fix_rotation(rot);
T = rgpushxto0(h) * rot;
}
else