c# 版贪食蛇
今天有一点空闲，突然想玩贪食蛇就自己写了一个。可能还有一点bug，但是已经可以玩了。放出来让大家娱乐一下，以下为源码。
public partial class Form_Snake : Form
{
public Form_Snake()
{
InitializeComponent();
}
private void panel1_Paint(object sender, PaintEventArgs e)
{
base.OnPaint(e);
ControlPaint.DrawGrid(e.Graphics, this.ClientRectangle, new Size(8, 8), Color.White);
}
Snake snake = null;
private void btn_start_Click(object sender, EventArgs e)
{
snake = new Snake(8, this.panel1, Over);
snake.Add(new Label());
snake.FoodSpeed = 2*Convert.ToInt32(this.cmb_foodspeed.Text);
timer1.Enabled = true;
timer1.Interval = 200 * Convert.ToInt32(this.cmb_bodyspeed.Text);
this.btn_start.Enabled = false;
this.btn_stop.Enabled = true;
this.btn_pause.Enabled = true;
}
public void Over()
{
this.timer1.Enabled = false;
this.btn_stop.Enabled = false;
this.btn_pause.Enabled = false;
this.btn_start.Enabled = true;
this.btn_pause.Text = "暂停";
this.statusLabel.Text = "Game Over";
Delay(2);
snake.Clear();
this.statusLabel.Text = "再来！";
}
public static bool Delay(int delayTime)
{
DateTime now = DateTime.Now;
int s;
do
{
TimeSpan spand = DateTime.Now - now;
s = spand.Seconds;
Application.DoEvents();
}
while (s < delayTime);
return true;
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)//取消方向键对控件的焦点的控件，用自己自定义的函数处理各个方向键的处理函数
{
switch (keyData)
{
case Keys.Up:
if (Snake.Direction!=2)
{
Snake.Direction = 1;
}
return true;//不继续处理
case Keys.Down:
if (Snake.Direction != 1)
{
Snake.Direction = 2;
}
return true;
case Keys.Left:
if (Snake.Direction != 4)
{
Snake.Direction = 3;
}
return true;
case Keys.Right:
if (Snake.Direction != 3)
{
Snake.Direction = 4;
}
return true;
}
return base.ProcessCmdKey(ref msg, keyData);
}
private void timer1_Tick(object sender, EventArgs e)
{
if (snake != null)
{
snake.Move();
this.statusLabel.Text = string.Format("成绩：{0},随机：X={1},Y={2}", snake.Body.Count, snake.FoodPoint.X, snake.FoodPoint.Y);
}
}
private void btn_pause_Click(object sender, EventArgs e)
{
this.timer1.Enabled = !this.timer1.Enabled;
if (this.timer1.Enabled)
{
this.btn_pause.Text = "暂停";
}
else
{
this.btn_pause.Text = "继续";
}
}
private void btn_stop_Click(object sender, EventArgs e)
{
Over();
}
}
public delegate void OverDelegate();
public class Snake
{
public Snake(int between, Panel panel, OverDelegate overHandle)
{
this.Between = between;
this.DrawPanel = panel;
this.OverHandle = overHandle;
}
private Point _foodPoint = new Point(0, 0);
public Point FoodPoint {
get { return _foodPoint; }
set { _foodPoint = value; }
}
public OverDelegate OverHandle { get; set; }
public Panel DrawPanel { get; set; }
//方格间距
public int Between { get; set; }
public Color BodyColor { get; set; }
/// <summary>
/// 1 up 2 down 3 left 4 right
/// </summary>
public static int Direction { get; set; }
public List<Control> Body { get; set; }
public void AddFood()
{
long tick = DateTime.Now.Ticks;
Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
if (ran.Next(100) % this.FoodSpeed == 0)
{
Label food = new Label();
int xRan = ran.Next(1, this.DrawPanel.Width / this.Between) * this.Between;
int yRan = ran.Next(1, this.DrawPanel.Height / this.Between) * this.Between;
FoodPoint = new Point(xRan, yRan);
var newFood = this.DrawPanel.GetChildAtPoint(FoodPoint);
if(newFood==null)
{
food.Size = new Size(this.Between, this.Between);
food.Location = new Point(xRan, yRan);
food.BackColor = Color.Blue;
food.BorderStyle = BorderStyle.FixedSingle;
this.DrawPanel.Controls.Add(food);
}
}
}
public void Add(Label item)
{
item.BackColor = Color.Green;
item.Size = new Size(this.Between, this.Between);
if (Body == null)
{
Body = new List<Control>();
long tick = DateTime.Now.Ticks;
Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
int xRan = ran.Next(1,this.DrawPanel.Width / this.Between) * this.Between;
int yRan = ran.Next(1,this.DrawPanel.Height / this.Between) * this.Between;
item.Text = "*";
item.Location = new Point(xRan, yRan);
item.BackColor = Color.Red;
item.BorderStyle = BorderStyle.FixedSingle;
Snake.Direction = new Random().Next(1, 5);
}
else
{
item.Location = Body[Body.Count-1].Location;
}
this.Move();
this.DrawPanel.Controls.Add(item);
Body.Add(item);
}
public void Move()
{
AddFood();
if (this.Body == null || this.Body.Count < 1)
{
return;
}
Point oldPoint = new Point(0, 0);
Control food=null;
for (int i = 0; i < this.Body.Count; i++)
{
Point oldPoint2 = new Point(this.Body[i].Location.X, this.Body[i].Location.Y);
if (i==0)
{
Point newPonit=new Point(0,0);
if (Snake.Direction == 1)//up
{
newPonit = new Point(this.Body[0].Location.X, this.Body[0].Location.Y - this.Between);
}
else if (Snake.Direction == 2)//down
{
newPonit = new Point(this.Body[0].Location.X, this.Body[0].Location.Y + this.Between);
}
else if (Snake.Direction == 3)//left
{
newPonit = new Point(this.Body[0].Location.X - this.Between, this.Body[0].Location.Y);
}
else if (Snake.Direction == 4)//right
{
newPonit= new Point(this.Body[0].Location.X + this.Between, this.Body[0].Location.Y);
}
food = this.DrawPanel.GetChildAtPoint(newPonit);
if (food!=null)
{
food.Location = new Point(-8, -8);
}
if (this.Body.Contains(food))
{
this.OverHandle();
return;
}
if (newPonit.X < 0)
{
newPonit.X += this.DrawPanel.Width / this.Between * this.Between;
}
if (newPonit.Y < 0)
{
newPonit.Y += this.DrawPanel.Height / this.Between * this.Between;
}
if (newPonit.X > (this.DrawPanel.Width - this.Between))
{
newPonit.X = 0;
}
if (newPonit.Y > (this.DrawPanel.Height - this.Between))
{
newPonit.Y = 0;
}
//移动到新位置
this.Body[0].Location = new Point(newPonit.X, newPonit.Y);
}
else
{
this.Body[i].Location = new Point(oldPoint.X,oldPoint.Y);
}
oldPoint =new Point(oldPoint2.X,oldPoint2.Y);
}//for end
if (food != null)
{
food.Location = new Point(oldPoint.X, oldPoint.Y);
food.BackColor = Color.Green;
this.Body.Add(food);
}
}
internal void Clear()
{
this.DrawPanel.Controls.Clear();
}
private int _foodSpeed = 5;
public int FoodSpeed {
get { return _foodSpeed; }
set { _foodSpeed=value; }
}
}
源码下载https://files.cnblogs.com/files/westfruit/SnakeEatFruit.zip
