blastsprite.java

用J2ME开发的射击游戏

import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.game.Sprite;

public class BlastSprite extends Sprite{
	BlastSprite(Image image, int frameWidth, int frameHeight){
		super( image, frameWidth, frameHeight );
		defineReferencePixel( frameWidth / 2, frameHeight / 2 );
		setVisible(false);
	}
	public void Logic(){
		if( isVisible() == false )
			return;
		int nFrame = getFrame();
		nFrame ++;
		if( nFrame > 7 ){
			setVisible(false);
			return;
		}
		setFrame( nFrame );
	}

}