flashmanager.java

来自「一个用Java开发的射击类游戏」· Java 代码 · 共 40 行

import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.game.Sprite;
import java.io.IOException;

public class FlashManager
{
	private	Sprite	explodeFlashSprite = null;
	private int		frameCount = 0;
	private int		currentFrame = 0;
	
	public FlashManager()
	{
		try
		{
			Image tempExplodeFlash = Image.createImage("/explodeFlash.png");
			explodeFlashSprite = new Sprite(tempExplodeFlash, War.EXPLODE_FLASH_WIDTH, War.EXPLODE_FLASH_HEIGHT);
		}
		catch (IOException ie)
		{
		}
		frameCount = explodeFlashSprite.getRawFrameCount();
		currentFrame = frameCount;
	}
	public void startFlash(int tempExplodeX, int tempExplodeY)
	{
		explodeFlashSprite.setPosition(tempExplodeX, tempExplodeY);
		currentFrame = 0;
	}
	public void updateFlash(Graphics g)
	{
		if (currentFrame == frameCount)
		{
			return;
		}
		explodeFlashSprite.setFrame(currentFrame);
		explodeFlashSprite.paint(g);
		currentFrame++;
	}
}