Snake-JavaScript/snake.js at master · CodeExplainedRepo/Snake-JavaScript · GitHub

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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);


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/*
Create by Learn Web Developement
Youtube channel : https://www.youtube.com/channel/UC8n8ftV94ZU_DJLOLtrpORA
*/

constcvs=document.getElementById("snake");
constctx=cvs.getContext("2d");

// create the unit
constbox=32;

// load images

constground=newImage();
ground.src="img/ground.png";

constfoodImg=newImage();
foodImg.src="img/food.png";

// load audio files

letdead=newAudio();
leteat=newAudio();
letup=newAudio();
letright=newAudio();
letleft=newAudio();
letdown=newAudio();

dead.src="audio/dead.mp3";
eat.src="audio/eat.mp3";
up.src="audio/up.mp3";
right.src="audio/right.mp3";
left.src="audio/left.mp3";
down.src="audio/down.mp3";

// create the snake

letsnake=[];

snake[0]={
x : 9*box,
y : 10*box
};

// create the food

letfood={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}

// create the score var

letscore=0;

//control the snake

letd;

document.addEventListener("keydown",direction);

functiondirection(event){
letkey=event.keyCode;
if(key==37&&d!="RIGHT"){
left.play();
d="LEFT";
}elseif(key==38&&d!="DOWN"){
d="UP";
up.play();
}elseif(key==39&&d!="LEFT"){
d="RIGHT";
right.play();
}elseif(key==40&&d!="UP"){
d="DOWN";
down.play();
}
}

// cheack collision function
functioncollision(head,array){
for(leti=0;i<array.length;i++){
if(head.x==array[i].x&&head.y==array[i].y){
returntrue;
}
}
returnfalse;
}

// draw everything to the canvas

functiondraw(){

ctx.drawImage(ground,0,0);

for(leti=0;i<snake.length;i++){
ctx.fillStyle=(i==0)? "green" : "white";
ctx.fillRect(snake[i].x,snake[i].y,box,box);

ctx.strokeStyle="red";
ctx.strokeRect(snake[i].x,snake[i].y,box,box);
}

ctx.drawImage(foodImg,food.x,food.y);

// old head position
letsnakeX=snake[0].x;
letsnakeY=snake[0].y;

// which direction
if(d=="LEFT")snakeX-=box;
if(d=="UP")snakeY-=box;
if(d=="RIGHT")snakeX+=box;
if(d=="DOWN")snakeY+=box;

// if the snake eats the food
if(snakeX==food.x&&snakeY==food.y){
score++;
eat.play();
food={
x : Math.floor(Math.random()*17+1)*box,
y : Math.floor(Math.random()*15+3)*box
}
// we don't remove the tail
}else{
// remove the tail
snake.pop();
}

// add new Head

letnewHead={
x : snakeX,
y : snakeY
}

// game over

if(snakeX<box||snakeX>17*box||snakeY<3*box||snakeY>17*box||collision(newHead,snake)){
clearInterval(game);
dead.play();
}

snake.unshift(newHead);

ctx.fillStyle="white";
ctx.font="45px Changa one";
ctx.fillText(score,2*box,1.6*box);
}

// call draw function every 100 ms

letgame=setInterval(draw,100);