startsimplebug.java~

Swarm是一个非常有用的仿真工具

// StartSimplebug.java
// The Java Simplebug application. 

import swarm.Globals;
import swarm.defobj.Zone;

public class StartSimplebug
{
    // The size of the bug's world and its initial position.
    static int worldXSize = 80;
    static int worldYSize = 80;
    static int xPos = 40;
    static int yPos = 40;

    public static void main (String[] args)
    {
	int i;
	Simplebug abug;

        // Swarm initialization: all Swarm apps must call this first.
        Globals.env.initSwarm ("SimpleBug", "2.1", 
			       "[e-mail]", args);

	// Create an instance of a Simplebug, abug, and place it 
	// within its world at (xPos, yPos). The bug is created in
	// Swarm's globalZone and is given a "bug id" of 1.
	abug = new Simplebug(Globals.env.globalZone, worldXSize, worldYSize, 
			     xPos, yPos, 1);

	// Loop our bug through a series of random walks asking it to
	// report its position after each one.
	for (i = 0; i < 100; i++)
	{
	    abug.randomWalk();
	    abug.reportPosition();
	}
    }
}