This commit is contained in:
Bluwww 2025-12-01 11:05:51 +07:00
parent f83821447f
commit 6232e81ab3
3 changed files with 263 additions and 351 deletions

552
Script.js
View File

@ -2,38 +2,36 @@
var canvasWidth = 1280; var canvasWidth = 1280;
var canvasHeight = 650; var canvasHeight = 650;
var c = undefined var c = undefined;
var ctx = undefined var ctx = undefined;
// STATE GAME
let gameStarted = false;
let musicMuted = false;
var game = { var game = {
level: 1, level: 1,
speed: 1, speed: 1,
gameOver: false, gameOver: false,
frames: 0, frames: 0,
timer: 0, timer: 0,
} };
// INPUT
var keys = { var keys = {
up: false, up: false,
down: false, down: false,
left: false, left: false,
right: false, right: false,
fire: false fire: false,
} };
// IMAGE ASSET
// Untuk background
var playerShipImg = new Image(); var playerShipImg = new Image();
playerShipImg.src = 'img/fighterShip.png' playerShipImg.src = "img/fighterShip.png";
var bg0 = new Image(); var bg0 = new Image();
bg0.src = 'img/SpritesPlanet/BlueGiant.png'; bg0.src = "img/SpritesPlanet/BlueGiant.png";
var bg1 = new Image(); var bg1 = new Image();
bg1.src = "img/bg_0.png"; bg1.src = "img/bg_0.png";
@ -41,367 +39,252 @@ bg1.src = "img/bg_0.png";
var bg2 = new Image(); var bg2 = new Image();
bg2.src = "img/bg_0.png"; bg2.src = "img/bg_0.png";
var enemyImgArray = [];
enemyImgArray.length = 7;
var enemy1 = new Image(); var enemy1 = new Image();
enemy1.src = "img/alien_0.png" enemy1.src = "img/alien_0.png";
// AUDIO
var missilesArray = []; var backgroundMusic = document.createElement("audio");
var backgroundMusic = document.createElement('audio');
backgroundMusic.src = "music/Muriel-BobbyRichards.mp3"; backgroundMusic.src = "music/Muriel-BobbyRichards.mp3";
var laser = document.createElement("audio"); var laser = document.createElement("audio");
laser.src = "music/laser2.mp3"; laser.src = "music/laser2.mp3";
// MISILES & ENEMY
var missilesArray = [];
// INIT GAME
window.onload = function () { window.onload = function () {
init() init();
} };
function init() { function init() {
c = document.getElementById("canvas"); c = document.getElementById("canvas");
ctx = c.getContext('2d'); ctx = c.getContext("2d");
document.addEventListener('keydown', keyDownPressed, false);
document.addEventListener('keyup', keyUpPressed, false);
gameLoop();
// INPUT HANDLER
document.addEventListener("keydown", keyDownPressed);
document.addEventListener("keyup", keyUpPressed);
// --- START MENU BUTTONS ---
document.getElementById("startBtn").onclick = () => {
document.getElementById("startMenu").style.display = "none";
gameStarted = true;
};
document.getElementById("musicBtn").onclick = () => {
musicMuted = !musicMuted;
backgroundMusic.muted = musicMuted;
document.getElementById("musicBtn").innerText = musicMuted
? "Music: OFF"
: "Music: ON";
};
document.getElementById("optionsBtn").onclick = () => {
alert("Options menu sedang dalam pengembangan.");
};
document.getElementById("exitBtn").onclick = () => {
window.close();
};
document.getElementById("startBtn").onclick = () => {
document.getElementById("startMenu").style.display = "none";
gameStarted = true;
gameLoop();
};
document.getElementById("musicBtn").onclick = () => {
musicMuted = !musicMuted;
backgroundMusic.muted = musicMuted;
document.getElementById("musicBtn").innerText = musicMuted
? "Music: OFF"
: "Music: ON";
};
document.getElementById("optionsBtn").onclick = () => {
alert(
"Options menu belum dibuat. Kamu bisa tambah difficulty, sensitivity, dll."
);
};
document.getElementById("exitBtn").onclick = () => {
window.close();
};
}
function gameLoop() {
if (!gameStarted) return;
clearGame();
updateGame();
drawGame();
requestAnimationFrame(gameLoop); requestAnimationFrame(gameLoop);
} }
// MAIN GAME LOOP
function keyDownPressed(e) { function gameLoop() {
if (e.keyCode == 87) { if (gameStarted) {
keys.up = true; clearGame();
backgroundMusic.play();
backgroundMusic.volume = 0.8;
} else if (e.keyCode == 83) {
keys.down = true
}
if (e.keyCode == 65) {
keys.left = true;
}
if (e.keyCode == 68) {
keys.right = true;
}
if (e.keyCode == 32) {
keys.fire = true;
missilesArray.push(new Missile(player1.x + 120, player1.y + 50, 'white', 12));
laser.currentTime = 0;
laser.play();
laser.volume = 0.4;
}
}
function keyUpPressed(e) {
if (e.keyCode == 87) {
keys.up = false;
} else if (e.keyCode == 83) {
keys.down = false;
}
if (e.keyCode == 65) {
keys.left = false;
}
if (e.keyCode == 68) {
keys.right = false;
}
if (e.keyCode == 32) {
keys.fire = false;
}
}
function clearGame() {
ctx.clearRect(0, 0, canvasWidth, canvasHeight);
}
function updateGame() {
addStarField();
planet.update();
player1.update();
game.frames++;
}
function drawGame() {
planet.draw();
player1.draw();
enemy.draw();
enemy.update();
for(var i = 0; i < missilesArray.length; i++){
var m = missilesArray[i];
m.draw();
m.update();
}
drawNewText('Score: ' +player1.score, 30, 610, 'white');
drawNewText('Player Lives: ' +player1.lives, 1100, 610, 'white');
}
function gameLoop(timestamp){
clearGame();
updateGame(); updateGame();
drawGame(); drawGame();
window.requestAnimationFrame(gameLoop); }
requestAnimationFrame(gameLoop);
} }
class PlayerObject{ // INPUT HANDLER
constructor(x, y){ function keyDownPressed(e) {
this.x = x; if (e.keyCode == 87) keys.up = true; // W
this.y = y; if (e.keyCode == 83) keys.down = true; // S
this.width = 170; if (e.keyCode == 65) keys.left = true; // A
this.height = 105; if (e.keyCode == 68) keys.right = true; // D
this.image = playerShipImg;
this.speed = 8;
this.lives = 3;
this.score = 0;
this.health = 100;
}
draw(){
ctx.save();
ctx.drawImage(this.image, this.x, this.y, this.width, this.height);
ctx.restore();
}
update(){ if (e.keyCode == 87) {
if (keys.up) { backgroundMusic.play();
if(this.y > 0){ backgroundMusic.volume = 0.8;
this.y -= this.speed; }
}
}
else if (keys.down) { if (e.keyCode == 32) {
if (this.x < canvasWidth - this.width) { // SPACE
this.y += this.speed; keys.fire = true;
} missilesArray.push(
} new Missile(player1.x + 120, player1.y + 50, "white", 12)
);
if (keys.right) { laser.currentTime = 0;
if (this.x < canvasWidth - this.width) { laser.play();
this.x += this.speed; laser.volume = 0.4;
} }
} }
if (keys.left) { function keyUpPressed(e) {
if (this.x > 10) { if (e.keyCode == 87) keys.up = false;
this.x -= this.speed; if (e.keyCode == 83) keys.down = false;
} if (e.keyCode == 65) keys.left = false;
} if (e.keyCode == 68) keys.right = false;
} if (e.keyCode == 32) keys.fire = false;
}
// CLEAR CANVAS
function clearGame() {
ctx.clearRect(0, 0, canvasWidth, canvasHeight);
}
// UPDATE GAME OBJECTS
function updateGame() {
addStarField();
planet.update();
enemy.update();
player1.update();
missilesArray.forEach((m) => m.update());
game.frames++;
}
// DRAW SPRITES
function drawGame() {
planet.draw();
enemy.draw();
player1.draw();
missilesArray.forEach((m) => m.draw());
drawNewText("Score: " + player1.score, 30, 610, "white");
drawNewText("Player Lives: " + player1.lives, 1100, 610, "white");
}
// PLAYER
class PlayerObject {
constructor(x, y) {
this.x = x;
this.y = y;
this.width = 170;
this.height = 105;
this.image = playerShipImg;
this.speed = 8;
this.lives = 3;
this.score = 0;
this.health = 100;
}
draw() {
ctx.drawImage(this.image, this.x, this.y, this.width, this.height);
}
update() {
if (keys.up && this.y > 0) this.y -= this.speed;
if (keys.down && this.y < canvasHeight - this.height) this.y += this.speed;
if (keys.right && this.x < canvasWidth - this.width) this.x += this.speed;
if (keys.left && this.x > 10) this.x -= this.speed;
}
} }
let player1 = new PlayerObject(100, 100); let player1 = new PlayerObject(100, 100);
function drawNewText(txt, x, y, color){ // TEXT
ctx.font = "20px Arial"; function drawNewText(txt, x, y, color) {
ctx.fillStyle = color; ctx.font = "20px Arial";
ctx.fillText(txt, x, y); ctx.fillStyle = color;
ctx.fillText(txt, x, y);
} }
// BACKGROUND
class backgroundObj {
constructor(img, x, y, speed) {
this.img = img;
this.x = x;
this.y = y;
this.width = 2000;
this.height = 1200;
this.speed = speed;
}
draw() {
ctx.drawImage(this.img, this.x, this.y, this.width, this.height);
}
update() {
this.x -= this.speed;
if (this.x < -2000) this.x = 2000;
}
class backgroundObj{
constructor(img, x, y, speed) {
this.x = x;
this.y = y;
this.width = 2000;
this.height = 1200;
this.img = img;
this.speed = speed;
}
draw() {
ctx.save();
ctx.drawImage(this.img, this.x, this.y, this.width, this.height);
ctx.restore();
}
update() {
this.x -= this.speed;
if (this.x < -2000) {
this.x = 2000;
}
}
} }
let background2 = new backgroundObj(bg1, 0, 0, game.speed * 2);
let background2a = new backgroundObj(bg1, 2000, 0, game.speed * 2);
let background2 = new backgroundObj(bg1, 0, 0, game.speed*2); let background3 = new backgroundObj(bg2, 0, 0, game.speed * 1);
let background2a = new backgroundObj(bg1, 2000, 0, game.speed*2); let background3a = new backgroundObj(bg2, 2000, 0, game.speed * 1);
let background3 = new backgroundObj(bg2, 0, 0, game.speed*1);
let background3a = new backgroundObj(bg2, 2000, 0, game.speed*1);
function addStarField() { function addStarField() {
background3.draw(); background3.draw();
background3.update(); background3.update();
background3a.draw(); background3a.draw();
background3a.update(); background3a.update();
background2.draw();
background2.update();
background2a.draw();
background2a.update();
}
class Missile{ background2.draw();
constructor(x, y, color, speed){ background2.update();
this.x = x; background2a.draw();
this.y = y; background2a.update();
this.width = 3;
this.height = 10;
this.color = color;
this.speed = speed;
}
draw(){
ctx.save();
ctx.fillStyle = this.color;
ctx.fillRect(this.x, this.y, this.width, this.height);
ctx.fill();
ctx.restore();
}
update(){
this.x += this.speed
}
} }
// MISSILE
class Missile {
constructor(x, y, color, speed) {
this.x = x;
this.y = y;
this.width = 3;
this.height = 10;
this.color = color;
this.speed = speed;
}
draw() {
ctx.fillStyle = this.color;
ctx.fillRect(this.x, this.y, this.width, this.height);
}
update() {
this.x += this.speed;
}
}
// ENEMY
class EnemyObj { class EnemyObj {
constructor(x, y, speed) { constructor(x, y, speed) {
this.x = x; this.x = x;
this.y = y; this.y = y;
this.width = 170; this.width = 170;
this.height = 105; this.height = 105;
this.image = enemy1; this.image = enemy1;
this.speed = speed; this.speed = speed;
this.health = 100; this.health = 100;
this.damage = 10; this.damage = 10;
} }
draw() {
ctx.save();
ctx.drawImage(this.image, this.x, this.y, this.width, this.height);
ctx.restore();
}
update() { draw() {
this.x -= this.speed; ctx.drawImage(this.image, this.x, this.y, this.width, this.height);
} }
update() {
this.x -= this.speed;
}
} }
let enemy = new EnemyObj(800, 200, 12); let enemy = new EnemyObj(800, 200, 12);
// PLANET
class PlanetObj { class PlanetObj {
constructor(img, x, y, width, height, speed) { constructor(img, x, y, width, height, speed) {
this.img = img; this.img = img;
@ -421,12 +304,9 @@ class PlanetObj {
update() { update() {
if (!this.visible) return; if (!this.visible) return;
this.x -= this.speed; this.x -= this.speed;
if (this.x < -this.width) { if (this.x < -this.width) this.visible = false;
this.visible = false;
}
} }
} }

View File

@ -40,35 +40,67 @@ body {
height: 650px; height: 650px;
top: 0; top: 0;
left: 0; left: 0;
background: rgba(0,0,0,0.85);
background: rgba(0, 0, 0, 0.6);
backdrop-filter: blur(6px);
display: flex; display: flex;
flex-direction: column; flex-direction: column;
justify-content: center; justify-content: center;
align-items: center; align-items: center;
z-index: 10; z-index: 10;
font-family: Arial, sans-serif;
font-family: 'Poppins', Arial, sans-serif;
animation: fadeIn 1s ease-out;
}
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
} }
.title { .title {
font-size: 60px; font-size: 70px;
margin-bottom: 50px; margin-bottom: 40px;
color: white; color: #ffffff;
letter-spacing: 3px; letter-spacing: 4px;
text-shadow:
0 0 10px #00eaff,
0 0 20px #00eaff,
0 0 30px rgba(0, 234, 255, 0.7);
animation: glow 3s infinite alternate ease-in-out;
}
@keyframes glow {
from { text-shadow: 0 0 8px #00eaff, 0 0 16px #00eaff; }
to { text-shadow: 0 0 20px #00eaff, 0 0 40px #00eaff; }
} }
.menuButton { .menuButton {
font-size: 30px; font-size: 28px;
padding: 10px 40px; padding: 12px 50px;
margin: 10px; margin: 10px;
cursor: pointer; cursor: pointer;
background: #222;
border: 2px solid white; background: rgba(20, 20, 20, 0.8);
color: white; color: white;
border-radius: 10px;
transition: 0.2s; border: 2px solid #00eaff;
border-radius: 12px;
box-shadow: 0 0 10px rgba(0, 234, 255, 0.4);
transition: 0.3s ease-in-out;
} }
.menuButton:hover { .menuButton:hover {
background: white; background: #00eaff;
color: black; color: #000;
} box-shadow: 0 0 20px #00eaff;
transform: scale(1.05)
}