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简单入门，学习时写的。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace 贪食蛇
{
public partial class Form1 : Form
{
int world = 20;
bool swed = true;
string fx = "";
string yd = "shang";
bool gover = false;
bool over = false;
bool mov = false;
PictureBox[,] picture;
int swnum = 0;
public Form1()
{
InitializeComponent();
csh();
}
private void timer1_Tick(object sender, EventArgs e)
{
if (over || gover)
{
return;
}
weiba();
tou();
if (swed)
{
sw();
}
}
private void Form1_KeyDown(object sender, KeyEventArgs e) //读取键盘上下左右暂停
{
switch (e.KeyCode)
{
case Keys.Up:
fx = "shang";
if (yd == "xia")
{
fx = "xia";
}
timer1.Enabled = true;
break;
case Keys.Down:
fx = "xia";
if (yd == "shang")
{
fx = "shang";
}
timer1.Enabled = true;
break;
case Keys.Left:
fx = "zhuo";
if (yd == "you")
{
fx = "you";
}
timer1.Enabled = true;
break;
case Keys.Right:
fx = "you";
if (yd == "zhuo")
{
fx = "zhuo";
}
timer1.Enabled = true;
break;
case Keys.Space:
timer1.Enabled = false;
MessageBox.Show("暂停中...");
break;
}
}
void sw() //随机食物位置
{
Random rand = new Random();
while (swnum != 0)
{
int x = rand.Next(world);
int y = rand.Next(world);
if (picture[x, y].BackColor == Color.White)
{
picture[x, y].BackColor = Color.Yellow;
swnum--;
swed = false;
return;
}
}
}
void gameover() //游戏结束
{
for (int i = 0; i < world; i )
{
for (int j = 0; j < world; j )
{
if (picture[i, j].BackColor == Color.White)
{
gover = true;
MessageBox.Show("失败！游戏结束");
return;
}
}
}
over = true;
MessageBox.Show("胜利");
}
void weiba()//尾巴动作
{
if (swed) //已吃食,长一节身体
{
return;
}
else if (mov)
{
mov = false;
for (int i = 0; i < world; i )
{
for (int j = 0; j < world; j )
{
if (Convert.ToInt16(picture[i, j].Tag) == 1)
{
if (picture[i, j].BackColor == Color.Red)
{
//上
picture[i, j].BackColor = Color.White;
picture[i, j].Tag = 0;
picture[i, j - 1].Tag = 1;
return;
}
if (picture[i, j].BackColor == Color.Green)
{
//下
picture[i, j].BackColor = Color.White;
picture[i, j].Tag = 0;
picture[i, j 1].Tag = 1;
return;
}
if (picture[i, j].BackColor == Color.Brown)
{
//左
picture[i, j].BackColor = Color.White;
picture[i, j].Tag = 0;
picture[i - 1, j].Tag = 1;
return;
}
if (picture[i, j].BackColor == Color.Gray)
{
//右
picture[i, j].BackColor = Color.White;
picture[i, j].Tag = 0;
picture[i 1, j].Tag = 1;
return;
}
}
}
}
}
}
void tou() //头部动作
{
for (int i = 0; i < world; i )
{
for (int j = 0; j < world; j )
{
if (picture[i, j].BackColor == Color.Blue)
{
switch (fx)
{
case "shang":
picture[i, j].BackColor = Color.Red;
if (j == 0 || (picture[i, j - 1].BackColor != Color.White && picture[i, j - 1].BackColor != Color.Yellow)) //前方为边界或身体
{
gameover();
}
else
{
if (picture[i, j - 1].BackColor == Color.Yellow) //前方为食物
{
picture[i, j - 1].BackColor = Color.Blue;
yd = "shang";
swed = true; //已吃食
}
else // 前方为空白
{
picture[i, j - 1].BackColor = Color.Blue;
yd = "shang";
mov = true; // 已运动
}
}
return;
case "xia":
picture[i, j].BackColor = Color.Green;
if (j == world - 1 || (picture[i, j 1].BackColor != Color.White && picture[i, j 1].BackColor != Color.Yellow)) //前方为边界或身体
{
gameover();
}
else
{
if (picture[i, j 1].BackColor == Color.Yellow) //前方为食物
{
picture[i, j 1].BackColor = Color.Blue;
yd = "xia";
swed = true; //已吃食
}
else // 前方为空白
{
picture[i, j 1].BackColor = Color.Blue;
yd = "xia";
mov = true; // 已运动
}
}
return;
case "zhuo":
picture[i, j].BackColor = Color.Brown;
if (i == 0 || (picture[i - 1, j].BackColor != Color.White && picture[i - 1, j].BackColor != Color.Yellow)) //前方为边界或身体
{
gameover();
}
else
{
if (picture[i - 1, j].BackColor == Color.Yellow) //前方为食物
{
picture[i - 1, j].BackColor = Color.Blue;
yd = "zhuo";
swed = true; //已吃食
}
else // 前方为空白
{
picture[i - 1, j].BackColor = Color.Blue;
yd = "zhuo";
mov = true; // 已运动
}
}
return;
case "you":
picture[i, j].BackColor = Color.Gray;
if (i == world - 1 || (picture[i 1, j].BackColor != Color.White && picture[i 1, j].BackColor != Color.Yellow)) //前方为边界或身体
{
gameover();
}
else
{
if (picture[i 1, j].BackColor == Color.Yellow) //前方为食物
{
picture[i 1, j].BackColor = Color.Blue;
yd = "you";
swed = true; //已吃食
}
else // 前方为空白
{
picture[i 1, j].BackColor = Color.Blue;
yd = "you";
mov = true; // 已运动
}
}
return;
}
}
}
}
}
void csh() //初始化
{
string[] sd = { "快", "中", "慢", "最快", "最慢" };
toolStripComboBox1.Items.AddRange(sd);
toolStripComboBox1.SelectedIndex = 0;
this.Height = world * 30 104;
this.Width = world * 30 28;
groupBox1.Location = new Point(0, 30);
groupBox1.AutoSize = true;
picture = new PictureBox[world, world];
for (int i = 0; i < world; i )
{
for (int j = 0; j < world; j )
{
picture[i, j] = new PictureBox();
picture[i, j].Size = new Size(28, 28);
picture[i, j].Location = new Point(i * 30 6, j * 30 30);
picture[i, j].BackColor = Color.White;
picture[i, j].Tag = 0;
groupBox1.Controls.Add(picture[i, j]);
}
}
picture[world / 2, world / 2].BackColor = Color.Red;
picture[world / 2, world / 2].Tag = 1;
picture[world / 2, world / 2 - 1].BackColor = Color.Blue;
swnum = world * world - 3;
sw();
}
private void 重新开始ToolStripMenuItem_Click(object sender, EventArgs e)
{
swed = true;
fx = "";
yd = "shang";
gover = false;
over = false;
mov = false;
swnum = 0;
for (int i = 0; i < world; i )
{
for (int j = 0; j < world; j )
{
picture[i, j].BackColor = Color.White;
picture[i, j].Tag = 0;
}
}
picture[world / 2, world / 2].BackColor = Color.Red;
picture[world / 2, world / 2].Tag = 1;
picture[world / 2, world / 2 - 1].BackColor = Color.Blue;
swnum = world * world - 3;
sw();
}
private void toolStripComboBox1_TextChanged(object sender, EventArgs e)
{
this.ActiveControl = null;
switch (toolStripComboBox1.Text)
{
case "快":
timer1.Interval = 150;
break;
case "中":
timer1.Interval = 250;
break;
case "慢":
timer1.Interval = 350;
break;
case "最快":
timer1.Interval = 100;
break;
case "最慢":
timer1.Interval = 500;
break;
}
}
}
}