import vrml.*;

import vrml.field.*;

import vrml.node.*;



public class bounce2

    extends Script

{

    private float bounceHeight;

    private SFVec3f value_changedObj;



    public void initialize( )

    {

        // Get the fields and eventOut

        SFFloat floatObj = (SFFloat) getField( "bounceHeight" );

        bounceHeight     = (float)   floatObj.getValue( );

        value_changedObj = (SFVec3f) getEventOut( "value_changed" );

    }



    public void processEvent( Event event )

    {

        ConstSFFloat flt = (ConstSFFloat) event.getValue( );

        float frac       = (float) flt.getValue( );



        float y = (float)(4.0 * bounceHeight * frac * (1.0 - frac));



        float[] changed = new float[3];

        changed[0] = (float)0.0;

        changed[1] = y;

        changed[2] = (float)0.0;

        value_changedObj.setValue( changed );

    }

}