+
+ // propagate to rigidly attached gears
+ if(gear->supergear) {
+ int supidx = gearidx[gear->supergear];
+ update_gear(supidx, angle);
+ }
+
+ int nsub = (int)gear->subgears.size();
+ for(int i=0; i<nsub; i++) {
+ int subidx = gearidx[gear->subgears[i]];
+ update_gear(subidx, angle);
+ }