Java for 3D & VRML Worlds/Java for 3d and VRML Worlds.iso/examples/chap04/ProtoMan.java

Text File | 1996-09-24 | 1KB | 38 lines

//
// Walking man in prototype.
//

import java.util.*;
import vrml.*;
import vrml.node.*;
import vrml.field.*;

public class ProtoMan extends Script{
    MFVec3f setPath;
    float path[] = new float[3 * 2];
    Random randomNumGenerator = new Random();

    public void initialize(){
        // get the reference of the event out 'setPath'.
        setPath = (MFVec3f)getEventOut("setPath");
        // initialize the path.
        path[0] = 0.0f;         // start position
        path[1] = 0.0f;
        path[2] = 0.0f;
        path[3] = 0.0f;         // end position
        path[4] = 0.0f;
        path[5] = 10.0f;
    }

    public void processEvent(Event e){
        if(e.getName().equals("cycleEnd") == true){
            // decide how far the walking man goes in the next cycle.
            // the distance is between 10.0 and 20.0
            path[5] = 10.0f + randomNumGenerator.nextFloat() * 10.0f;
            // send the event.
            setPath.setValue(3 * 2, path);
        }
    }
}