   var coords = getRandomPoints();
          this.x1 = coords[0];
          this.y1 = coords[1];
          this.x2 = coords[2];
          this.y2 = coords[3];
          this.delay = Math.random() * 4;
          this.set();
          this.crawl();
        };

        // Draw bugs
        for (var i = 0; i < maxBugs; i++) {
          var coords = getRandomPoints();
          var bug = new Bug(coords[0], coords[1], coords[2], coords[3]);
          bugs.push(bug);
          bug.draw();
        }

        functi