Rnd.java

package firesimulator.util;

import java.util.Random;

/**
 * @author tn
 *
 */
public class Rnd {
	
	private static Random rnd;
	
	public static void setSeed(long seed){
		if(seed<=0)
			rnd=new Random(System.currentTimeMillis());
		else
			rnd=new Random(seed);
	}
	
	public static double get01(){
		if (rnd == null) {
			rnd = new Random();			
		}
		return rnd.nextDouble();
	}

}