shellsprite.cs

基于.net FrameWork的windows游戏-坦克大战游戏.用到了多线程,绘图,碰撞处理等技术,整个游戏的框架已经搭建起来,可以做二次开发.

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Windows.Forms;


public class ShellSprite : SpriteDrawing
{
    int shellWidth, shellHeight;
    int formWidth, formHeight;
    int launchDirection;
    Image shellImg;
    Form TankGame2008;
    int speed;

    /// <summary>
    ///  ShellSprite类的构造函数
    /// </summary>
    /// <param name="shellImg">炮弹的Image对象</param>
    /// <param name="launchdirection">炮弹方向</param>
    /// <param name="speed">炮弹速度</param>
    /// <param name="TankGame2008">Form对象</param>
    public ShellSprite(Image shellImg, int launchdirection, int speed, Form TankGame2008)
        : base(shellImg, 0, 0, TankGame2008)
    {
        this.shellImg = shellImg;
        this.launchDirection = launchdirection;
        this.speed = speed;
        this.TankGame2008 = TankGame2008;
        formWidth = TankGame2008.Width;
        formHeight = TankGame2008.Height;

        shellWidth = shellImg.Width;
        shellHeight = shellImg.Height;
        
        setVisible(false);
        setActive(false);
    }

    public override void updatePos(int SpriteDirection)
    {
        base.updatePos(SpriteDirection);

        switch (launchDirection)
        {
            //left
            case 0:
                if (this.getX() <= (-shellWidth))
                {
                    setVisible(false);
                    setActive(false);
                }
                else
                {
                    this.setPos(this.getX() - speed, this.getY());
                }
                break;
            //right
            case 1:
                if (this.getX() >= (formWidth + shellWidth))
                {
                    setVisible(false);
                    setActive(false);
                }
                else
                {
                    this.setPos(this.getX() + speed, this.getY());
                }
                break;
            //up
            case 2:
                if (this.getY() <= (-shellHeight))
                {
                    setVisible(false);
                    setActive(false);
                }
                else
                {
                    this.setPos(this.getX(), this.getY() - speed);
                }
                break;
            //down
            case 3:
                if (this.getY() >= formHeight + shellHeight)
                {
                    setVisible(false);
                    setActive(false);
                }
                else
                {
                    this.setPos(this.getX(), this.getY() + speed);
                }
                break;
        }


    }

    public int getShellDirection()
    {
        return launchDirection;
    }

    public void setShellDirection(int direction)
    {
        this.launchDirection = direction;
    }

    public override void drawSprite(Graphics g)
    {
        base.drawSprite(g);
        if (this.getVisible() == true)
        {
            g.DrawImage(shellImg, new Point(this.getX(), this.getY()));
        }
    }
}