3d:: sphere:: fixed sphereflip (and thus noshmup movement)

hyper.h

@@ -3174,7 +3174,7 @@ static const auto SKIPFAC = .4;
 bool haveMobileCompass();
 bool handleCompass();
 
-inline bool sphereflipped() { return sphere && vid.alpha > 1.1; }
+inline bool sphereflipped() { return sphere && vid.alpha > 1.1 && DIM == 3; }
 int cellcolor(cell *c);
 transmatrix screenpos(ld x, ld y);
 extern ld backbrightness;

sphere.cpp

@@ -379,6 +379,7 @@ transmatrix relative_matrix(heptagon *h2, heptagon *h1) {
   }
 
 void draw() {
+  sphereflip = Id;
   auto m = (hrmap_spherical3*) currentmap;
 
   for(int i=0; i<120; i++) if(m->cells[i])