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pacman.html
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pacman.html
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<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>PacMan</title>
<style media="screen">
body {
background-color: black;
}
canvas {
display: block;
margin: auto;
background-color: black;
border: 2px solid blue;
}
</style>
</head>
<body>
<canvas id="canvas" width="600" height="400"></canvas>
<script type="text/javascript">
var canvas = document.querySelector("canvas")
var ctx = canvas.getContext("2d");
var bodyEl = document.querySelector("body")
bodyEl.addEventListener("keydown", directionFun)
var sqrRad = 40
// NOTE: lager grid for spillet
// for (var i = 1; i < canvas.width / sqrRad; i++) {
// ctx.beginPath();
// ctx.moveTo(i * sqrRad, 0);
// ctx.lineTo(i * sqrRad, canvas.height);
// ctx.stroke();
// }
// for (var i = 1; i < canvas.width / sqrRad; i++) {
// ctx.beginPath();
// ctx.moveTo(0, i * sqrRad);
// ctx.lineTo(canvas.width, i * sqrRad);
// ctx.stroke();
// }
var animasjonId;
var direction = ""
var start = 0;
function directionFun() {
var knapp = event.keyCode
var check = 0
if (knapp == "38") {
direction = "up"
check++
} else if (knapp == "39") {
direction = "right"
check++
} else if (knapp == "37") {
direction = "left"
check++
} else if (knapp == "40") {
direction = "down"
check++
}
if (start == 0 && check == 1) {
animasjonId=setInterval(gameFun, 375)
start++;
}
}
class Hurdle {
constructor(x, y, width, height) {
this.x = x;
this.y = y;
this.height = height;
this.width = width;
}
draw() {
ctx.beginPath()
ctx.strokeStyle = "blue";
ctx.lineWidth = 2;
ctx.rect(this.x, this.y, this.width, this.height);
ctx.stroke();
}
}
class Player {
constructor(x, y) {
this.x = x
this.y = y
}
move(retning) {
if (retning == "up") {
this.y -= sqrRad
} else if (retning == "right") {
this.x += sqrRad
} else if (retning == "down") {
this.y += sqrRad
} else if (retning == "left") {
this.x -= sqrRad
}
}
draw() {
ctx.fillStyle = "yellow"
ctx.fillRect(this.x+5, this.y+5, sqrRad-10, sqrRad-10);
}
}
class Treat {
constructor(x, y) {
this.x = x - sqrRad/2
this.y = y - sqrRad/2
}
draw() {
ctx.beginPath()
ctx.strokeStyle = "#ffb3b3";
ctx.lineWidth = 2
ctx.fillStyle="#ffb3b3"
ctx.arc(this.x, this.y, sqrRad / 10, 0, 2 * Math.PI);
ctx.stroke()
ctx.fill();
}
}
// NOTE: lager spiller objektet
var xStart = 7*sqrRad
var yStart = 2*sqrRad
var player = new Player(xStart, yStart)
ctx.fillStyle = "yellow"
ctx.fillRect(xStart+5, yStart+5, sqrRad-10, sqrRad-10);
// NOTE: lager hinder objektene
hurdleArr = []
ctx.strokeStyle = "blue";
ctx.lineWidth = 2;
hurdleArr.push(new Hurdle(0, 40, 2 * sqrRad, sqrRad))
ctx.rect(0, 40, sqrRad * 2, sqrRad);
hurdleArr.push(new Hurdle(520, 40, 2 * sqrRad, sqrRad))
ctx.rect(520, 40, 2 * sqrRad, sqrRad);
hurdleArr.push(new Hurdle(0, 320, 2 * sqrRad, sqrRad))
ctx.rect(0, 320, 2 * sqrRad, sqrRad);
hurdleArr.push(new Hurdle(520, 320, 2 * sqrRad, sqrRad))
ctx.rect(520, 320, 2 * sqrRad, sqrRad);
hurdleArr.push(new Hurdle(sqrRad, 3 * sqrRad, sqrRad, 4 * sqrRad))
ctx.rect(sqrRad, 3 * sqrRad, sqrRad, 4 * sqrRad);
hurdleArr.push(new Hurdle(13 * sqrRad, 3 * sqrRad, sqrRad, 4 * sqrRad))
ctx.rect(13 * sqrRad, 3 * sqrRad, sqrRad, 4 * sqrRad);
hurdleArr.push(new Hurdle(3 * sqrRad, sqrRad, 4 * sqrRad, sqrRad))
ctx.rect(3 * sqrRad, sqrRad, 4 * sqrRad, sqrRad);
hurdleArr.push(new Hurdle(8 * sqrRad, sqrRad, 4 * sqrRad, sqrRad))
ctx.rect(8 * sqrRad, sqrRad, 4 * sqrRad, sqrRad);
hurdleArr.push(new Hurdle(3 * sqrRad, 3 * sqrRad, sqrRad, 2 * sqrRad))
ctx.rect(3 * sqrRad, 3 * sqrRad, sqrRad, 2 * sqrRad);
hurdleArr.push(new Hurdle(3 * sqrRad, 6 * sqrRad, sqrRad, sqrRad))
ctx.rect(3 * sqrRad, 6 * sqrRad, sqrRad, sqrRad);
hurdleArr.push(new Hurdle(11 * sqrRad, 3 * sqrRad, sqrRad, sqrRad))
ctx.rect(11 * sqrRad, 3 * sqrRad, sqrRad, sqrRad);
hurdleArr.push(new Hurdle(11 * sqrRad, 5 * sqrRad, sqrRad, 2 * sqrRad))
ctx.rect(11 * sqrRad, 5 * sqrRad, sqrRad, 2 * sqrRad);
hurdleArr.push(new Hurdle(5 * sqrRad, 3 * sqrRad, 5 * sqrRad, sqrRad))
ctx.rect(5 * sqrRad, 3 * sqrRad, 5 * sqrRad, sqrRad);
hurdleArr.push(new Hurdle(5 * sqrRad, 5 * sqrRad, 5 * sqrRad, 2 * sqrRad))
ctx.rect(5 * sqrRad, 5 * sqrRad, 5 * sqrRad, 2 * sqrRad);
hurdleArr.push(new Hurdle(5 * sqrRad, 8 * sqrRad, sqrRad, 2 * sqrRad))
ctx.rect(5 * sqrRad, 8 * sqrRad, sqrRad, 2 * sqrRad);
hurdleArr.push(new Hurdle(9 * sqrRad, 8 * sqrRad, sqrRad, 2 * sqrRad))
ctx.rect(9 * sqrRad, 8 * sqrRad, sqrRad, 2 * sqrRad);
hurdleArr.push(new Hurdle(7 * sqrRad, 8 * sqrRad, sqrRad, sqrRad))
ctx.rect(7 * sqrRad, 8 * sqrRad, sqrRad, sqrRad);
hurdleArr.push(new Hurdle(3 * sqrRad, 8 * sqrRad, sqrRad, sqrRad))
ctx.rect(3 * sqrRad, 8 * sqrRad, sqrRad, sqrRad);
hurdleArr.push(new Hurdle(11 * sqrRad, 8 * sqrRad, sqrRad, sqrRad))
ctx.rect(11 * sqrRad, 8 * sqrRad, sqrRad, sqrRad);
ctx.stroke();
var treatArr=[]
for (var i = 3; i < 14; i++) {
var treat= new Treat(sqrRad*i,40)
treatArr.push(treat)
}
for (var i = 2; i < 11; i++) {
var treat= new Treat(13*sqrRad,sqrRad*i)
treatArr.push(treat)
}
for (var i = 2; i < 11; i++) {
var treat= new Treat(3*sqrRad,sqrRad*i)
treatArr.push(treat)
}
for (var i = 3; i < 11; i++) {
var treat= new Treat(5*sqrRad,sqrRad*i)
treatArr.push(treat)
}
for (var i = 3; i < 11; i++) {
var treat= new Treat(11*sqrRad,sqrRad*i)
treatArr.push(treat)
}
for (var i = 3; i < 9; i++) {
var treat= new Treat(1*sqrRad,sqrRad*i)
treatArr.push(treat)
}
for (var i = 3; i < 9; i++) {
var treat= new Treat(15*sqrRad,sqrRad*i)
treatArr.push(treat)
}
for (var i = 6; i < 11; i++) {
var treat= new Treat(sqrRad*i,sqrRad*8)
treatArr.push(treat)
}
for (var i = 7; i < 10; i++) {
var treat= new Treat(sqrRad*i,sqrRad*10)
treatArr.push(treat)
}
treatArr.push(new Treat(2*sqrRad,3*sqrRad))
treatArr.push(new Treat(4*sqrRad,3*sqrRad))
treatArr.push(new Treat(12*sqrRad,3*sqrRad))
treatArr.push(new Treat(14*sqrRad,3*sqrRad))
treatArr.push(new Treat(2*sqrRad,8*sqrRad))
treatArr.push(new Treat(4*sqrRad,8*sqrRad))
treatArr.push(new Treat(12*sqrRad,8*sqrRad))
treatArr.push(new Treat(14*sqrRad,8*sqrRad))
treatArr.push(new Treat(12*sqrRad,10*sqrRad))
treatArr.push(new Treat(4*sqrRad,10*sqrRad))
treatArr.push(new Treat(7*sqrRad,9*sqrRad))
treatArr.push(new Treat(9*sqrRad,9*sqrRad))
treatArr.push(new Treat(4*sqrRad,6*sqrRad))
treatArr.push(new Treat(12*sqrRad,5*sqrRad))
for (var i = 0; i < treatArr.length; i++) {
treatArr[i].draw()
}
var poeng=0;
var stop = 0;
function gameFun() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
// NOTE: tegner hindrene
for (var i = 0; i < hurdleArr.length; i++) {
hurdleArr[i].draw()
}
// NOTE: sjekker om spilleren treffer kanten av brettet
var check = 0;
if (direction == "up" && player.y - sqrRad < 0) {
check++;
} else if (direction == "right" && player.x + 2 * sqrRad > canvas.width) {
check++;
} else if (direction == "down" && player.y + 2 * sqrRad > canvas.height) {
check++;
} else if (direction == "left" && player.x - sqrRad < 0) {
check++;
}
// NOTE: sjekker om spilleren møter hindringer
for (var i = 0; i < hurdleArr.length; i++) {
if (direction == "up" && player.x >= hurdleArr[i].x && player.x < hurdleArr[i].x + hurdleArr[i].width && player.y - sqrRad >= hurdleArr[i].y && player.y - sqrRad < hurdleArr[i].y + hurdleArr[i].height) {
check++;
} else if (direction == "right" && player.y >= hurdleArr[i].y && player.y < hurdleArr[i].y + hurdleArr[i].height && player.x + sqrRad >= hurdleArr[i].x && player.x + sqrRad < hurdleArr[i].x + hurdleArr[i].width) {
check++;
} else if (direction == "down" && player.x >= hurdleArr[i].x && player.x < hurdleArr[i].x + hurdleArr[i].width && player.y + sqrRad >= hurdleArr[i].y && player.y + sqrRad < hurdleArr[i].y + hurdleArr[i].height) {
check++;
} else if (direction == "left" && player.y >= hurdleArr[i].y && player.y < hurdleArr[i].y + hurdleArr[i].height && player.x - sqrRad >= hurdleArr[i].x && player.x - sqrRad < hurdleArr[i].x + hurdleArr[i].width) {
check++;
}
}
if (check == 0) {
player.move(direction)
player.draw()
if (direction=="left" && player.x==0 && player.y==0) {
player.y=sqrRad*9
player.x=sqrRad*14
} else if (direction=="right" && player.x==14*sqrRad && player.y==0) {
player.y=sqrRad*9
player.x=0
} else if (direction=="left" && player.x==0 && player.y==9*sqrRad) {
player.y=sqrRad*0
player.x=sqrRad*14
} else if (direction=="right" && player.x==14*sqrRad && player.y==9*sqrRad) {
player.x=0
player.y=0
}
} else {
player.draw()
}
// NOTE: sjekker om man spiser en maten
for (var i = 0; i < treatArr.length; i++) {
if (player.x<treatArr[i].x && player.x+sqrRad>treatArr[i].x && player.y<treatArr[i].y && player.y+sqrRad>treatArr[i].y) {
treatArr[i]= new Treat(0,0)
poeng++;
if (poeng==treatArr.length) {
clearInterval(animasjonId);
console.log("nice");
}
} else {
treatArr[i].draw()
}
}
}
</script>
</body>
</html>