Cutoff variant (skip far pedestrian pairs)

headers/constants.hpp

@@ -48,7 +48,7 @@ const double phi = 100.0 / 180.0 * M_PI;
 // $cos(\varphi)$
 const double cos_phi = cos(phi);
 
-// 
+//
 // $\frac{1}{cos(\varphi)}$
 //
 const double cos_phi_inv = 1 / cos(phi);
@@ -96,6 +96,9 @@ const double EPS = 1e-9;
 // Squared numerical tolerance
 const double EPS_SQ = EPS * EPS;
 
+// Cutoff for pedestrian-pedestrian repulsion
+const double CUTOFF = 12.0;
+const double CUTOFF_SQ = CUTOFF * CUTOFF;
 
 const double cos_phi_sq = cos_phi * cos_phi;