flowerhart.java

简单的用Java做的小游戏主要是用了自己的框架来

package role;

import java.awt.AlphaComposite;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;

import javax.swing.JFrame;


/**
 * 花心类
 * @author Administrator
 *
 */
public class FlowerHart extends SportRole{
	/**花心图像*/
	public static Image flowerImage;
	
	/**是否透明*/
	private boolean isAlpha = true;
	
	/**透明度*/
	private float alpha = 0.0f;
	
	/**是否不再透明*/
	public boolean isShow;
	
	/**移动时是否向左*/
	private boolean isRight;
	
	/**计数器*/
	private  int count;
	
	/**是否停止动作*/
	public static boolean isStop;
	
	/**
	 * 构造方法
	 * @param x X坐标
	 * @param y Y坐标
	 * @param isLeft 向左移还是右移
	 */
	protected FlowerHart(int x, int y,boolean isRight) {
		super(x, y, 100,100,0);
		this.isRight  = isRight;
		this.img = flowerImage;
	}

	@Override
	/**
	 * 重写父类move()方法
	 */
	public void move() {
		
		if(isStop == false){
			if(isRight){//向右移
				this.x+=1;
				this.y-=4;
			}
			else{//向左移
				this.x-=1;
				this.y-=4;
			}
			
			count++;
			if(count>80){//计数器大于80，停止移动
				isStop = true;
			}
		}
		
	}
	
	/**
	 * 设置状态，决定花心是否移动
	 * @param state 状态
	 */
	public void setState(int state){
		this.state = state;
	}
	
	/**
	 * Method:       drawMyself
	 * Desctiptoin:  绘制自身图形
	 * @param g  :   画笔
	 * @param jf :   窗体画布
	 */
	public void drawMyself(Graphics g,JFrame jf){
		if(isAlpha){//透明
			Graphics2D g2d  =(Graphics2D)g;
			
			/*设置透明度*/
			if(alpha<1){
				alpha+=0.003f;
				if(alpha>1){
					alpha = 1.0f;
					this.isShow = true;
				}
			}
			else{
				isAlpha = false;
			}
			
			g2d.setComposite(AlphaComposite.getInstance(
					AlphaComposite.SRC_ATOP, alpha)); // 开始
			
			g2d.drawImage(img, x, y, width, height, jf);
			
			g2d.setComposite(AlphaComposite.getInstance(
			AlphaComposite.SRC_OVER)); // 结束 

		}
		else{//不再透明
			g.drawImage(img, x, y, width, height, jf);
			if(this.state == 1){
				move();
			}
		}
	}

}