C#实现贪食蛇小游戏
Food类:
namespace Snake
{
public class Food
{
private Point f_point;
public Point F_point
{
get { return f_point; }
set { f_point = value; }
}
public void drawfood(Graphics g)
{
SolidBrush b = new SolidBrush(Color.White);
Rectangle rtg = new Rectangle(f_point.X, f_point.Y, Form1.SNAKEREC, Form1.SNAKEREC);
g.FillRectangle(b, rtg);
}
public Point getpoint()
{
Random rdm = new Random(DateTime.Now.Millisecond);
int i = rdm.Next(0, Form1.WIDTH / Form1.SNAKEREC);
int j = rdm.Next(0, Form1.HEIGHT / Form1.SNAKEREC);
Point newp = new Point(i * Form1.SNAKEREC, j * Form1.SNAKEREC);
return newp;
}
}
}
节点类:
namespace Snake
{
public class Segment
{
private int number;
private Point orign;
public int Number
{
get { return number; }
set { number = value; }
}
public Point Orign
{
get { return orign; }
set { orign = value; }
}
public void drawpart(Graphics g)
{
Pen p = new Pen(Color.White);
g.DrawRectangle(p, orign.X, orign.Y, Form1.SNAKEREC, Form1.SNAKEREC);
}
}
}
蛇类:
namespace Snake
{
public class Snake
{
//Segment list
ArrayList al_list;
//snake head
public Point headpoint;
//snake direcion
private int way = 1;
public int Way
{
get { return way; }
set { way = value; }
}
public Snake(int count)
{
Segment apart;
Point apoint = new Point(Form1.INIT_X, Form1.INIT_y);
al_list = new ArrayList(count);
for (int i = 1; i <= count; i++)
{
apoint.X = apoint.X + Form1.SNAKEREC;//init point[0].X + 10
apart = new Segment();
apart.Number = i;
apart.Orign = apoint;
al_list.Add(apart);
if (i == count)
headpoint = apoint;//last point is headpoint
}
}
public void drawsnake(Graphics g)
{
for (int i = 0; i < al_list.Count; i++)
{
Segment seg = (Segment)al_list[i];
seg.drawpart(g);//draw every point
}
}
public void extendsnake()
{
Segment seg = new Segment();
seg.Number = al_list.Count + 1;
Point p;
if (way == 0)
//Up
p = new Point(headpoint.X, headpoint.Y - Form1.SNAKEREC);
else if (way == 2)
//Down
p = new Point(headpoint.X, headpoint.Y + Form1.SNAKEREC);
else if (way == 3)
//Left
p = new Point(headpoint.X - Form1.SNAKEREC, headpoint.Y);
else
//Right
p = new Point(headpoint.X + Form1.SNAKEREC, headpoint.Y);
seg.Orign = p;
al_list.Add(seg);//add new Segment
headpoint = seg.Orign;//head is the new Segment
}
public void contractsnake()
{
al_list.Remove(al_list[0]);//remove: al_list[0] the last point
}
public bool deadsnake()
{
if (headpoint.X < 0 || headpoint.Y < 0 || headpoint.X >= Form1.WIDTH || headpoint.Y >= Form1.HEIGHT)
return true;
for (int i = 0; i < al_list.Count - 1; i++)
{
Segment seg = (Segment)al_list[i];
if (seg.Orign == headpoint)
return true;
}
return false;
}
}
}
Fom1.cs:
namespace Snake
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
/***************
* init args
* *************/
public static int WIDTH = 400;
public static int HEIGHT = 300;
public static int SNAKEREC = 10;
//start location
public static int INIT_X = 30;
public static int INIT_y = 30;
private int TIMERINTERVAL = 70;
private bool isStart = false;
private bool i = false;
Snake a_snake = new Snake(5);
Food afood = new Food();
private void pictureBox1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
if (i)
{
a_snake.drawsnake(g);
afood.drawfood(g);
}
if (a_snake.deadsnake())
{
timer1.Enabled = false;
if (DialogResult.Yes == MessageBox.Show("Do you want to restart?", "GAME OVER", MessageBoxButtons.YesNo))
{
i = false;
a_snake = new Snake(5);
afood = new Food();
afood.F_point = afood.getpoint();
g.Clear(pictureBox1.BackColor);
}
else
Application.Exit();
}
}
private void timer1_Tick(object sender, EventArgs e)
{
pictureBox1.Refresh();
a_snake.extendsnake();
if (a_snake.headpoint == afood.F_point)
afood.F_point = afood.getpoint();
else
a_snake.contractsnake();
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
if(i)
{
if (e.KeyCode == Keys.Enter)
{
i = false;
timer1.Enabled = false;
}
else
{
if ((e.KeyCode == Keys.W || e.KeyCode == Keys.Up) && a_snake.Way != 2)
{
a_snake.Way = 0;
}
if ((e.KeyCode == Keys.D || e.KeyCode == Keys.Right) && a_snake.Way != 3)
{
a_snake.Way = 1;
}
if ((e.KeyCode == Keys.S || e.KeyCode == Keys.Down) && a_snake.Way != 0)
{
a_snake.Way = 2;
}
if ((e.KeyCode == Keys.A || e.KeyCode == Keys.Left) && a_snake.Way != 1)
{
a_snake.Way = 3;
}
}
}
else
{
if (isStart)
{
if (e.KeyCode == Keys.Enter)
{
i = true;
timer1.Enabled = true;
}
}
else
{
if (e.KeyCode == Keys.Enter)
{
isStart = true;
i = true;
afood.F_point = afood.getpoint();
pictureBox1.Refresh();
timer1.Enabled = true;
timer1.Interval = TIMERINTERVAL;
}
}
}
}
}
}
Form1.designer.cs:
namespace Snake
{
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.timer1 = new System.Windows.Forms.Timer(this.components);
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
this.SuspendLayout();
//
// pictureBox1
//
this.pictureBox1.BackColor = System.Drawing.Color.Black;
this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.pictureBox1.Location = new System.Drawing.Point(0, 0);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(400, 300);
this.pictureBox1.TabIndex = 0;
this.pictureBox1.TabStop = false;
this.pictureBox1.Paint += new System.Windows.Forms.PaintEventHandler(this.pictureBox1_Paint);
//
// timer1
//
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(400, 300);
this.Controls.Add(this.pictureBox1);
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "Auto Snake";
this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyDown);
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.Timer timer1;
}
}
