   let magnitude = Math.sqrt(cohesion.x * cohesion.x + cohesion.y * cohesion.y);
          if (magnitude > 0) {
            cohesion.x /= magnitude;
            cohesion.y /= magnitude;
          }

          cohesion.x *= maxSpeed;
          cohesion.y *= maxSpeed;
          cohesion.x -= currentSheep.vx; // Steer
          cohesion.y -= currentSheep.vy;
          //Limit steer
          let steerMagnitude = Math.sqrt(cohesion.x * cohesion.x + cohesion.y * cohesion.y);
          if (steerMagnitude > maxFor