Create Snake Game C#

Ahmad Kandil

Like: 752

Snake Game C# Step by Step.
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20.03.2022

31 Comments

Murat ismet says:

2023-06-08

All codes;using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace snake_oyunu
{
public partial class Form1 : Form
{
int cols = 50, rows = 25, score = 0, dx = 0, dy = 0, front = 0, back = 0;
Piece[] snake = new Piece[1250];
List<int> available = new List<int>();
bool[,] visit;

Random rand = new Random();

Timer timer = new Timer();
public Form1()
{
InitializeComponent();
initial();
LaunchTimer();
}

private void LaunchTimer()
{
timer.Interval = 100;
timer.Tick += move;
timer.Start();
}

private void move(object sender, EventArgs e)
{
int x = snake[front].Location.X, y = snake[front].Location.Y;
if (dx == 0 && dy == 0) return;
if (game_over(x + dx, y + dy))
{
timer.Stop();
MessageBox.Show("Game Over");
return;
}
if (collisionFood(x + dx, y + dy))
{
score += 1;
lblScore.Text = "Score: " + score.ToString();
if (hits((y + dy) / 20, (x + dx) / 20)) return;
Piece head = new Piece(x + dx, y + dy);
front = (front – 1 + 1250) % 1250;
snake[front] = head;
visit[head.Location.Y / 20, head.Location.X / 20] = true;
Controls.Add(head);
randomFood();
}
else
{
if (hits((y + dy) / 20, (x + dx) / 20)) return;
visit[snake[back].Location.Y / 20, snake[back].Location.X / 20] = false;
front = (front – 1 + 1250) % 1250;
snake[front] = snake[back];
snake[front].Location = new Point(x + dx, y + dy);
back = (back – 1 + 1250) % 1250;
visit[(y + dy) / 20, (x + dx) / 20] = true;
}
}

private void Form1_KeyDown(object sender, KeyEventArgs e)
{
dx = dy = 0;
switch (e.KeyCode)
{
case Keys.Right:
dx = 20;
break;
case Keys.Left:
dx = -20;
break;
case Keys.Up:
dy = -20;
break;
case Keys.Down:
dy = 20;
break;
}
}

private void randomFood()
{
available.Clear();
for (int i = 0; i < rows; i++)
for (int j = 0; j < cols; j++)
if (!visit[i, j]) available.Add(i * cols + j);
int idx = rand.Next(available.Count) % available.Count;
lblFood.Left = (available[idx] * 20) % Width;
lblFood.Top = (available[idx] * 20) / Width * 20;
}

private bool hits(int x, int y)
{
if (visit[x, y])
{
timer.Stop();
MessageBox.Show("Snake hit his Body");
return true;
}
return false;
}

private bool collisionFood(int x, int y)
{
return x == lblFood.Location.X && y == lblFood.Location.Y;
}

private bool game_over(int x, int y)
{
return x < 0 || y < 0 || x > 980 || y > 480;
}

private void initial()
{
visit = new bool[rows, cols];
Piece head = new Piece((rand.Next() % cols) * 20, (rand.Next() % rows) * 20);
lblFood.Location = new Point((rand.Next() % cols) * 20, (rand.Next() % rows) * 20);
for (int i = 0; i < rows; i++)
for (int j = 0; j < cols; j++)
{
visit[i, j] = false;
available.Add(i * cols + j);
}
visit[head.Location.Y / 20, head.Location.X / 20] = true;
available.Remove(head.Location.Y / 20 * cols + head.Location.X / 20);
Controls.Add(head);
snake[front] = head;
}

private void Form1_Load(object sender, EventArgs e)
{

}
}
}========================================================================= New Piece's class codes;using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace snake_oyunu
{
class Piece : Label
{
public Piece(int x , int y)
{
Location = new System.Drawing.Point(x, y);
Size = new System.Drawing.Size(20, 20);
BackColor = Color.Orange;
Enabled = false;
}
}
}

Reply
ruppokemon25 says:

2023-02-21

how do you make it restart once you lose?

Reply
Hari says:

2022-03-26

Good video. I expect a lot c# project from you

Reply
ortmozkin design says:

2022-03-25

i need the code for work i am a big gyoutuber with 100000k subs i need the pastabiain code

Reply
Avataric says:

2022-03-25

This is a really cool video! I’ve been learning C# for a little bit now, but I can’t fully understand everything you are doing. Can you make a lengthier video where you explain what you do?

Reply
Tyler Burdett says:

2022-03-25

When I create a windows forms it pops up a script instead of a blank page like yours so I'm lost from the start

Reply
Mena Ramy Enaeet says:

2022-03-25

3a4 and keep going
<3

Reply
israel rios says:

2022-03-25

great video. more code and less talk.

Reply
Reid Swan says:

2022-03-24

1:45 what is that menu. I’ve been going crazy over it. What did you open there

Reply
Thiện Lập Trình says:

2022-03-24

Can i have your code, please ?

Reply
krish p says:

2022-03-24

if you want to run it first download c# form visual studio because then it cannot run on chrome or edge they are the preinstalled running apps so download that and use terminal to run

Reply
Dhruv Pillay says:

2022-03-24

Would be more ironic if it were on python

Reply
Hassan Ghani says:

2022-03-24

Brother can you tell me how to access the code on my visual studio

Reply
Aaron Wye says:

2022-03-23

why when i go to change the with, it goes back to 0 may i ask ?

Reply
Leon Šimić says:

2022-03-23

Can someone say what is the use of this available list? What does it do?

Reply
Mr. Chururut Skipmakliw says:

2022-03-23

I encode it properly but the snake is not moving when a press da arrows keys, Anyone who can help me? Thanks

Reply
Long De says:

2022-03-23

Anyone know why i get CS1520?
code is:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace snake1

{

public partial class Form1 : Form

{

int cols = 50, rows = 25, score = 0, dx = 0, dy = 0, front = 0, back = 0;

Piece[] snake = new Piece[1250];

List<int> available = new List<int>();

bool[,] visit;

Random rand = new Random();

Timer timer = new Timer();

public form1()

{

InitializeComponent();

Initial();

launchTimer();

}

private void launchTimer()

{

timer.Interval = 50;

timer.Tick += move;

timer.Start();

}

private void Snake_KeyDown(object sender, KeyEventArgs e)

{

dx = dy = 0;

switch(e.KeyCode)

{

case Keys.Right:

dx = 20;

break;

case Keys.Left:

dx = -20;

break;

case Keys.Up:

dy = -20;

break;

case Keys.Down:

dy = 20;

break;

}

}

private void move(object sender, EventArgs e)

{

int x = snake[front].Location.X, y = snake[front].Location.Y;

if (dx == 0 && dy == 0) return;

if (game_over(x + dx, y + dy))

{

timer.Stop();

MessageBox.Show("Game Over!");

return;

}

if (collisionFood(x + dx, y + dy))

{

score += 1;

lblScore.Text = "Score: " + score.ToString();

if (hits((y + dy) / 20, (x + dx) / 20)) return;

Piece head = new Piece(x + dx, y + dy);

front = (front – 1 + 1250) % 1250;

snake[front] = head;

visit[head.Location.Y / 20, head.Location.X / 20] = true;

Controls.Add(head);

randomFood();

}

else

{

if (hits((y + dy) / 20, (x + dx) / 20)) return;

visit[snake[back].Location.Y / 20, snake[back].Location.X / 20] = false;

front = (front – 1 + 1250) % 1250;

snake[front] = snake[back];

snake[front].Location = new Point(x + dx, y + dy);

back = (back – 1 + 1250) % 1250;

visit[(y + dy) / 20, (x + dx) / 20] = true;

}

}

private void randomFood()

{

available.Clear();

for (int i = 0; i < rows; i++)

for (int j = 0; j < cols; j++)

if (!visit[i, j]) available.Add(i * cols + j);

int idx = rand.Next(available.Count) % available.Count;

lblFood.Left = (available[idx] * 20) % Width;

lblFood.Top = (available[idx] * 20) / Width * 20;

}

private bool hits(int x, int y)

{

if (visit[x, y])

{

timer.Stop();

MessageBox.Show("Snake hit his Body");

return true;

}

return false;

}

private bool collisionFood(int x, int y)

{

return x == lblFood.Location.X && y == lblFood.Location.Y;

}

private bool game_over(int x, int y)

{

return x < 0 || y < 0 || x > 980 || y > 480;

}

private void Initial()

{

visit = new bool[rows, cols];

Piece head

= new Piece((rand.Next() % cols) * 20, (rand.Next() % rows) * 20);

lblFood.Location

= new Point((rand.Next() % cols) * 20, (rand.Next() % rows) * 20);

for (int i = 0; i < rows; i++)

for (int j = 0; j < cols; j++)

{

visit[i, j] = false;

available.Add(i * cols + j);

}

visit[head.Location.Y / 20, head.Location.X / 20] = true;

available.Remove(head.Location.Y / 20 * cols + head.Location.X / 20);

Controls.Add(head); snake[front] = head;

}

}

}

Reply
Renu kamboj says:

2022-03-23

Got an error –
error while trying to run project could not load file or assembly 'snake' or one of its dependencies. The module was expected to contain an assembly manifest.
Please solve it

Reply
MrHL5 says:

2022-03-22

i didnt understand single thing. i only know syntax of c#

Reply
Jakub Dlouhý says:

2022-03-22

Hi, could you make something like restart button, so when you lose, you can play next one?

Reply
Maxim says:

2022-03-22

hi, great video. for me a beginner programmer it goes a little fast tho.

Reply
FireProof says:

2022-03-22

how do you move it? for some reason for me it doesnt move. i tried the whole keyboard and everything

Reply
亗 Feisal.K COMPANY 亗 says:

2022-03-22

6:36

Reply
Matt Britton says:

2022-03-21

Thanks @Ahmad Kandil. A nice project, and easy to follow video. And a good result – works great, exactly as it should.

Reply
Beatrix Dorotan says:

2022-03-21

Hands down one of the best codes I have seen. I mean it has a small bug or two but it's really easy to understand and to change it however I want to. Thanks!

Reply
J hud says:

2022-03-21

Very Cool!

Reply
ENG AWED says:

2022-03-21

tanks bro 🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰👏

Reply
MINECRAFT NUB says:

2022-03-21

is is lbl?

Reply
StupidThingsYouWatchWhenYou'reBored! says:

2022-03-20

how can i improve the controls and how can i add a restart function

Reply
Davide says:

2022-03-20

hi, could you explain what it is boll[,] = visit ?

Reply
Veikko Ruopio says:

2022-03-20

Can u help me?? When food spaws second time my worm can`t pick it.

Reply

Create Snake Game C#

31 Comments

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