obstacle.java

DOJA平台赛车游戏

/*
 * @(#)Obstacle.java    1.0 04/07/01 @(#)
 *
 * Copyright 2004 NTT DoCoMo, Inc. All rights reserved.
 */
import java.util.Random;

/** 
 * Obstacle<BR>
 * The definition class of the obstacle.
 * <p>
 * @version 1.0
 * </p>
 */
public class Obstacle extends AbstractItem {
    /** Random */
    private Random rand;

    /**
     * Constructor.
     * @param _leftEnd Range which displays an item (Minimum)
     * @param _rightEnd Range which displays an item (Maximum)
     */
    public Obstacle(int _leftEnd, int _rightEnd) {
        super(TYPE_OBSTACLE, MediaCollection.IMG_OBSTACLE);
        rand = new Random();
        
        /* Display position */
        if (4 < Math.abs(rand.nextInt()) % 10) {
            setPosX(_leftEnd);
        } else {
            setPosX(_rightEnd - getImage().getWidth());
        }
        setPosY(1);
    }

    /*
     * @see AbstractItem#contact()
     */
    public void contact() {
    }
}