* the position (in terms of vectors, not floats) of the vector to normalize
*/
public static void normalizeVector4(final FloatBuffer buf, final int index) {
final Vector4 temp = Vector4.fetchTempInstance();
populateFromBuffer(temp, buf, index);
temp.normalizeLocal();
setInBuffer(temp, buf, index);
Vector4.releaseTempInstance(temp);
}
/**