private final Vector3f lengthVector = new Vector3f();
private final Point3f pointCorner = new Point3f();
void drawBox(Point3f pointA, Point3f pointB) {
Sheet sheet = (Sheet)proteinstructurePending;
float scale = mad / 1000f;
scaledWidthVector.set(sheet.getWidthUnitVector());
scaledWidthVector.scale(scale);
scaledHeightVector.set(sheet.getHeightUnitVector());
scaledHeightVector.scale(scale / 4);
pointCorner.add(scaledWidthVector, scaledHeightVector);
pointCorner.scaleAdd(-0.5f, pointA);
lengthVector.sub(pointB, pointA);
buildBox(pointCorner, scaledWidthVector,