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spaceship.html
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spaceship.html
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<html>
<head>
<title> spaceship game by simple coder </title>
<style type = "text/css">
*{
margin: 0px;
padding: 0px;
}
body {
width: 900px;
background-image: url("background1.png");
background-size: 100% 100%;
}
div {
width: 900px;
height: 500px;
position: relative;
}
#he4 {
width: 100px;
height: 30px;
background-image: url("18.png");
background-size: 100% 100%;
position: relative;
color: yellow;
top: 200px;
left: 20px;
font-size: 20px;
}
canvas {
margin-left: 300px;
border-bottom: 3px solid #1995AD;
}
#id1 {
height: 50px;
}
#id2 {
height: 50px;
}
#id1 h4 {
width: 40px;
height: 40px;
background-image: url("enemy1.png");
background-size: 100% 100%;
position: absolute;
top: 20px;
left: 450px;
color: white;
}
#id1 h5 {
width: 100px;
height: 30px;
background-image: url("18.png");
background-size: 100% 100%;
position: absolute;
color: white;
text-align: center;
top: 30px;
left: 500px;
font-size: 20px;
}
#id2 h4 {
width: 40px;
height: 40px;
background-image: url("player2.png");
background-size: 100% 100%;
position: absolute;
top: -25px;
left: 640px;
color: white;
}
#id2 h5 {
width: 100px;
height: 30px;
background-image: url("9.png");
background-size: 100% 100%;
position: absolute;
color: white;
left: 690px;
text-align: center;
top: -20px;
font-size: 20px;
}
</style>
</head>
<body>
<div id="padd">
<canvas id="canvas" width="700" height="500">
</canvas>
<div id ="id1">
<h4></h4>
<h5>score</h5>
</div>
<div id="id2">
<h4> </h4>
<h5>left</h5>
</div>
</div>
<script type = "text/javascript">
canvas = document.getElementById("canvas");
ctx = canvas.getContext("2d");
height = canvas.height;
width = canvas.width;
gameover = 1;
conuter = 0;
conuter2 = 0;
c3 = 0;
score = 0;
live = 3;
pfire = 0;
misslex = [], missley = [];
enemy = ["enemy1.png", "enemy2.png", "enemy3.png", "enemy4.png"];
player = {
x: 350,
y: 450,
hx: 50,
hy: 50
};
enmy = [];
enmy[0] = {
x: Math.round(Math.random() * 650),
y: 0,
live: 1
};
misslex[0] = enmy[0].x;
missley[0] = enmy[0].y;
explo = [];
explo[0] = {
x: player.x,
y: 450,
used: 1
};
s = {
x: Math.round(Math.random() * 650),
y: 0,
reach: 0
};
//image for player spaceship
playerimg = new Image();
playerimg.src = "player2.png";
//image for eniemes
eimg = new Image();
eimg.src = enemy[0];
//image explostion
expl = new Image();
expl.src = "spaceEffects_012.png";
//image explostion 2
expl2 = new Image();
expl2.src = "damage.png";
//image rocket
rocket = new Image();
rocket.src = "laserBlue01.png";
rockete = new Image();
rockete.src = "laserRed16.png";
//image space stone
stone = new Image();
stone.src = "aestroid1.png";
stoned = new Image();
stoned.src = "damage.png";
//audio
aud1 = new Audio("audio2.ogg");
aud2 = new Audio("audio1.ogg");
//control movement of spaceship
window.addEventListener('keydown', function (event) {
switch (event.keyCode) {
case 37:
if (player.x >= 50 && gameover != 0) moveleft();
break;
case 38:
{
newx = player.x;
newy = 450;
var newfire = {
x: newx,
y: newy
};
explo.unshift(newfire);
}
break;
case 39:
if (player.x <= width - 50 && gameover != 0) moveright();
break;
case 13:
location.reload();
break;
case 83:
{
missley.pop();
misslex.pop();
if (gameover != 1) game = setInterval(init, 75);
}
break;
}
}, false);
window.addEventListener('keyup', function (event) {
if (event.keyCode == 38) pfire = 0;
}, false);
function movemissle() {
for (var i = 0; i < explo.length; i++) {
if (explo[i].y >= 10 && explo[i].used != 0) {
explo[i].y = explo[i].y - 10;
ctx.drawImage(rocket, explo[i].x + 15, explo[i].y, 10, 10);
} else {
ctx.drawImage(expl, explo[i].x, explo[i].y, 40, 40);
explo.pop();
}
}
}
function moveenemymissle() {
c3++;
for (var i = 0; i < misslex.length; i++) {
if (c3 == 15) {
var newmisslex = enmy[i].x;
var newmissley = enmy[i].y;
misslex.unshift(newmisslex);
missley.unshift(newmissley);
c3 = 0;
}
if (missley[i] <= height - 10) {
missley[i] = missley[i] + 10;
ctx.drawImage(rockete, misslex[i] + 15, missley[i], 10, 10);
} else {
misslex.pop();
missley.pop();
}
}
}
function attackplayer() {
for (var i = 0; i < misslex.length; i++) {
if (misslex[i] >= player.x - 20 && misslex[i] <= player.x + 40 && missley[i] >= 450 && missley[i] <= 490) {
ctx.drawImage(expl, player.x, player.y, 40, 40);
live--;
missley.pop();
misslex.pop();
if (live < 0) {
gameover = 0;
gamelost();
clearInterval(game);
}
}
}
}
function stop() {
if (gameover == 1) {
gameover = 0;
clearInterval(game);
} else {
gameover = 1;
game = setInterval(inti, 10);
}
}
function attackenieme() {
for (var i = 0; i < explo.length; i++) {
for (var j = 0; j < enmy.length; j++) {
if (explo[i].x >= enmy[j].x && explo[i].x <= enmy[j].x + 50 && explo[i].y >= enmy[j].y && explo[i].y <= enmy[j].y + 50) {
if (enmy[j].live != 0) {
aud1.play();
score++;
document.getElementsByTagName("h5")[0].innerHTML = "score " + score;
enmy[j].live = 0;
explo[i].used = 0;
ctx.drawImage(expl, enmy[j].x, enmy[j].y, 50, 50);
}
}
}
}
}
//not for use extra function
function attackstone() {
for (var i = 0; i < explo.length; i++) {
if (explo[i].x >= s.x && explo[i].x <= s.x + 30 && explo[i].y >= s.y && explo[i].y <= s.y + 30 && s.reach == 0) {
s.reach = 1;
ctx.drawImage(expl, explo[i].x, explo[i].y, 30, 30);
}
}
}
//drawing player and stone and enemy
function draw() {
conuter2++;
document.getElementsByTagName("h5")[1].innerHTML = "left " + live;
ctx.drawImage(playerimg, player.x, player.y, 40, 40);
for (var j = 0; j < enmy.length; j++) {
if (enmy[j].live != 0) ctx.drawImage(eimg, enmy[j].x, enmy[j].y, 40, 40);
}
if (s.y <= height && s.reach != 1) {
ctx.drawImage(stone, s.x, s.y, 30, 30);
s.y = s.y + 5;
}
}
//create new enmyship if counter =200
function createenemy() {
newx = Math.round(Math.random() * 650);
newy = 0;
newlive = 1;
var newenemy = {
x: newx,
y: newy,
live: newlive
};
var newmisslex = newenemy.x;
var newmissley = newenemy.y;
misslex.unshift(newmisslex);
missley.unshift(newmissley);
enmy.unshift(newenemy);
}
//movement
function moveleft() {
if (player.x >= 0) {
player.x = player.x - 10;
ctx.drawImage(playerimg, player.x, player.y, 40, 40);
}
}
function moveright() {
if (player.x <= width + 60) {
player.x = player.x + 10;
ctx.drawImage(playerimg, player.x, player.y, 40, 40);
}
}
function moveenemy() {
for (var i = 0; i < enmy.length; i++) {
if (enmy[i].y <= height) {
enmy[i].y = enmy[i].y + 5;
} else {
enmy.pop();
}
}
}
function gamelost() {
ctx.font = "20px Arial";
ctx.fillStyle = "#4EB1BA";
ctx.fillRect(width / 2 - 110, height / 2 - 25, 300, 40);
ctx.fillStyle = "red";
ctx.fillText("alien reached earth(game over)", width / 2 - 100, height / 2);
}
function init() {
ctx.clearRect(0, 0, 700, 500);
conuter++;
draw();
attackplayer();
movemissle();
moveenemymissle();
moveenemy();
attackenieme();
if (conuter == 20) {
conuter = 0;
createenemy();
}
if (conuter2 == 100) {
conuter2 = 0;
s.x = Math.round(Math.random() * 500);
s.y = 0;
ctx.drawImage(stone, s.x, s.y, 30, 30);
}
}
game = setInterval(init, 75);
</script>
</body>
</html>