예제 #1
0
 @Override
 public Vector getForceOnMass(Mass m) {
   if (!getToggle()) return new Vector();
   Vector result = new Vector(m.getVelocity());
   double viscosityScale = getProperty(Keywords.SCALE);
   result.setMagnitude(result.getMagnitude() * viscosityScale);
   result.turn(Keywords.DEGREES_TURN_AROUND);
   return result;
 }