@class NSMutableSet; @interface Li3DEngineSceneManager : NSObject @property (readonly, nonatomic) NSMutableSet *appliedForces; - (id)init; - (BOOL)applyForce:(const void *)a0 node:(id)a1 arScale:(float)a2 objects:(void *)a3; - (BOOL)hasAppliedForce:(id)a0; - (void)resetSim; @end