canvas = document.getElementById("jardin");

if (!canvas) {

alert("Unable to retrieve canvas");

return;

}

contexte = canvas.getContext("2d");

if (!contexte) {

alert("Unable to retrieve canvas context");

return;

}

document.addEventListener("keydown", keySprint);

//speed

denov = 5;

vitesse = 1000 / denov;

intervalID = setInterval(main, vitesse);

snakeheadx += deplacex * largeur;

snakeheady += deplacey * hauteur;

// Game Over

gameover();

contexte.clearRect(0, 0, canvas.width, canvas.height);

contexte.fillStyle = "#DEB887";

contexte.fillRect(0, 0, canvas.width, canvas.height);

contexte.strokeStyle = 'red';

contexte.strokeRect(0, 0, canvas.width, canvas.height)

contexte.drawImage(back, 0, 0);

for (var i = 0; i < trace.length; i++) {

contexte.drawImage(corps, trace[i].snakeheadx, trace[i].snakeheady);

}

contexte.drawImage(serpent, snakeheadx, snakeheady);

trace.push({ snakeheadx: snakeheadx, snakeheady: snakeheady });

while (trace.length > tailleTrace) {

trace.shift();

}

if (trace.length > 3) {

for (var jo = 0; jo < trace.length - 1; jo++) {

if ((trace[jo].snakeheadx == trace[trace.length - 1].snakeheadx) && (trace[jo].snakeheady == trace[trace.length - 1].snakeheady)) {

collisionbody = true;

gameover();

break;

}

}

}

if (fruitx == snakeheadx && fruity == snakeheady) {

document.getElementById('colis').play();

energie++;

if (fruitsuivant == 0) {

banane++;

bmaj.innerHTML = banane;

}

if (fruitsuivant == 1) {

orange++;

omaj.innerHTML = orange;

}

if (fruitsuivant == 2) {

lemon++;

lmaj.innerHTML = lemon;

}

if (fruitsuivant == 4) {

mango++;

mmaj.innerHTML = mango;

}

if (fruitsuivant == 3) {

avoca++;

amaj.innerHTML = avoca;

}

fruitsuivant = Math.trunc(Math.random() * 5);

flou = 1 + 60 - m;

score += flou;

majScore(score);

m = 0;

n = 3;

go = startingMinutes * 60;

tailleTrace++;

fruitx = Math.round(Math.random() * (canvas.width - largeur) / largeur) * largeur;

fruity = Math.round(Math.random() * (canvas.height - hauteur) / hauteur) * hauteur;

for (var i = 0; i < trace.length; i++) {

if (trace[i].snakeheadx == fruitx && trace[i].snakeheady == fruity) {

fruitx = Math.round(Math.random() * (canvas.width - largeur) / largeur) * largeur;

fruity = Math.round(Math.random() * (canvas.height - hauteur) / hauteur) * hauteur;

}

}

}

else {

attenterand = attenterand + 2;

if (attenterand > 100) {

attenterand = 0;

fruitx = Math.round(Math.random() * (canvas.width - largeur) / largeur) * largeur;

fruity = Math.round(Math.random() * (canvas.height - hauteur) / hauteur) * hauteur;

for (var i = 0; i < trace.length; i++) {

if (trace[i].snakeheadx == fruitx && trace[i].snakeheady == fruity) {

fruitx = Math.round(Math.random() * (canvas.width - largeur) / largeur) * largeur;

fruity = Math.round(Math.random() * (canvas.height - hauteur) / hauteur) * hauteur;

}

}

fruitsuivant = Math.trunc(Math.random() * 5);

}

}

if (fruitx > 500) {

fruitx = 250;

}

if (fruitx < 5) {

fruitx = 250;

}

if (fruity > 500) {

fruity = 250;

}

if (fruity < 5) {

fruity = 250;

}

contexte.drawImage(fruits[fruitsuivant], fruitx, fruity);

if (energie > 1) {

energie = 0;

clearInterval(intervalID);

denov = denov + 1;

vitesse = 1000 / denov;

intervalID = setInterval(main, vitesse);

}

if (go == 0) {

go = startingMinutes * 60;

}

n = Math.floor(go / 60);

m = go % 60;

m = m < 10 ? '0' + m : m;

go--;

afficher = n + ":" + m;

mili++;

if (mili < 10) {

m = "0" + mili;

} else {

m = mili;

}

if (mili == 60) {

sec++;

if (sec < 10) {

sec_ = "0" + sec;

} else {

sec_ = sec;

}

afficher = sec_ + ":" + m;

n = sec_;

mili = 0;

} else { afficher = n + ":" + m; }

if (snakeheadx < -1 || snakeheadx > depalcei + 1 || snakeheady < -1 || snakeheady > depalcei - 1 || collisionbody == true) {

contexte.font = 'bold 50px sans-serif';

contexte.strokeStyle = '#2c3e50';

contexte.fillStyle = 'white';

contexte.textBaseline = 'middle';

contexte.textAlign = 'center';

contexte.strokeText('Game Over', canvas.width / 2, canvas.height / 2);

contexte.fillText('Game Over', canvas.width / 2, canvas.height / 2);

contexte.fillStyle = 'white';

contexte.strokeStyle = '#2c3e50';

contexte.font = 'bold 20px sans-serif';

contexte.strokeText('R pour rejouer !', canvas.width / 2 + 40, canvas.height / 2 + 40);

contexte.fillText('R pour rejouer !', canvas.width / 2 + 40, canvas.height / 2 + 40);

clearTime(intervalID);

//window.location.reload();

}

if (fruitsuivant == 0) {

f1.src = "assets/images/snake/headd.png";

fruitsuivant++;

}

if (fruitsuivant == 1) {

f1.src = "assets/images/snake/headb.png";

fruitsuivant++;

}

if (fruitsuivant == 2) {

f1.src = "assets/images/snake/headh.png";

fruitsuivant++;

}

if (fruitsuivant == 3) {

f1.src = "assets/images/snake/headg.png";

fruitsuivant++;

} else {

fruitsuivant = 0;

f1.src = "assets/images/snake/headd.png";

}

if (!gamepause) {

intervalID = clearInterval(intervalID);

gamepause = true;

contexte.font = 'bold 50px sans-serif';

contexte.strokeStyle = 'red';

contexte.fillStyle = 'white';

contexte.textBaseline = 'middle';

contexte.textAlign = 'center';

contexte.strokeText('PAUSE', canvas.width / 2, canvas.height / 2);

contexte.fillText('PAUSE', canvas.width / 2, canvas.height / 2);

} else if (gamepause) {

intervalID = setInterval(main, vitesse);

gamepause = false;

}

sableintervalID = setInterval(sablier, 1000 / 2);

switch (evenement.keyCode) {

case 37:

deplacex = -1;

deplacey = 0;

serpent.src = "assets/images/snake/headg.png";

tour = evenement.keyCode;

break;

case 38:

if (tour == 40) { break; }

deplacex = 0;

deplacey = -1;

serpent.src = "assets/images/snake/headh.png";

tour = evenement.keyCode;

break;

case 39:

deplacex = 1;

deplacey = 0;

serpent.src = "assets/images/snake/headd.png";

tour = evenement.keyCode;

break;

case 40:

if (tour == 38) { break; }

deplacex = 0;

deplacey = 1;

serpent.src = "assets/images/snake/headb.png";

tour = evenement.keyCode;

break;

case 82:

denov = 5;

vitesse = 1000 / denov;

snakeheadx = 25;

snakeheady = 25;

fruitx = 250;

fruity = 250;

largeur = hauteur = 25;

deplacex = 0;

deplacey = 0;

serpent = new Image();

serpent.src = "assets/images/snake/headd.png";

corps = new Image();

corps.src = "assets/images/snake/body.png";

back = new Image();

back.src = "assets/images/interface/back.PNG";

f1 = new Image();

f1.src = "assets/images/fruits/bananes.png";

f2 = new Image();

f2.src = "assets/images/fruits/orange.png";

f3 = new Image();

f3.src = "assets/images/fruits/lemon.png";

f4 = new Image();

f4.src = "assets/images/fruits/avoca.png";

f5 = new Image();

f5.src = "assets/images/fruits/mango.png";

tour = 0;

depalcei = 500;

gamepause = false;

trace = [];

tailleTrace = 3;

fruits = [f1, f2, f3, f4, f5];

fruitsuivant = 3;

score = 0;

majScore(score);

banane = 0;

bmaj.innerHTML = banane;

bmaj = document.getElementById("bananescounter");

orange = 0;

omaj.innerHTML = banane;

omaj = document.getElementById("orangecounter");

lemon = 0;

lmaj.innerHTML = banane;

lmaj = document.getElementById("lemoncounter");

avoca = 0;

amaj.innerHTML = banane;

amaj = document.getElementById("avocacounter");

mango = 0;

mmaj.innerHTML = banane;

mmaj = document.getElementById("mangocounter");

scoremaj = document.getElementById("valeurscore");

document.getElementById('colis').play();

collisionbody = false;

attenterand = 0;

centi = 0;

mili = 0;

sec = 0;

sec_ = 0;

m = 0;

n = 3;

startingMinutes = 3;

go = startingMinutes * 60;

afficher = n + ":" + m + "0";

energie = 0;

flou = 0;

posx = 200;

posy = 518;

break;

case 80:

pause();

break;

}