/** * Copyright (c) 2012-2013 Nokia Corporation. All rights reserved. * Nokia and Nokia Connecting People are registered trademarks of Nokia Corporation. * Oracle and Java are trademarks or registered trademarks of Oracle and/or its * affiliates. Other product and company names mentioned herein may be trademarks * or trade names of their respective owners. * See LICENSE.TXT for license information. */ package com.nokia.example.battletank.game.entities; import com.nokia.example.battletank.game.Resources; import javax.microedition.lcdui.game.Sprite; /* * Class for implementing the Explosion entity. */ public class Explosion extends Entity { private volatile boolean start = false; public Explosion(Resources r) { super(r.gridSizeInPixels * 4, r.gridSizeInPixels * 4, r); } protected Sprite createSprite() { Sprite s = new Sprite(resources.explosion, width, height); s.setVisible(false); return s; } public void refresh() { super.refresh(); if (sprite.isVisible()) { if (sprite.getFrame() == sprite.getFrameSequenceLength() - 1) { sprite.setVisible(false); } else { sprite.nextFrame(); } } if (start) { start = false; sprite.setVisible(true); sprite.setFrame(0); } } public void show(int centerX, int centerY) { setPosition(centerX - width / 2, centerY - height / 2); start = true; } }