protected void setBoundingBox(Point3f pt, float margin) { if (xyzMin == null) { xyzMin = new Point3f(Float.MAX_VALUE, Float.MAX_VALUE, Float.MAX_VALUE); xyzMax = new Point3f(-Float.MAX_VALUE, -Float.MAX_VALUE, -Float.MAX_VALUE); } BoxInfo.addPoint(pt, xyzMin, xyzMax, margin); }