directionalbullet.java

仿雷电游戏. 设有三关,三个BOSS 采用多重继承. 代码模块化.

package org.game.simple;
/**
 * 
 * Copyright 2008 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 *
 * @project org.game.simple
 * @author xieting  
 * @version 0.1
 */
public class DirectionalBullet extends EnemyShot {
	private float speed;

	public DirectionalBullet(float x, float y, float theta, Battle ziki) {
		super(x, y);
		speed = 2.0F;
		vx = (float) (Math.cos(0.017453292519943295D * (double) theta) * (double) speed);
		vy = (float) (Math.sin(0.017453292519943295D * (double) theta) * (double) speed);
	}

}