369 lines
10 KiB
HTML
369 lines
10 KiB
HTML
<!DOCTYPE html>
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<!--Code by GameDev Freddie - Youtube.com/@GameDev-Freddie-->
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<html>
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<head>
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<style>
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body {
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background-color: rgb(24, 24, 24);
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color: white;
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text-align: left;
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font-family: "Comic Sans MS", cursive, sans-serif;
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font-size: 24px;
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}
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header,
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footer,
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.HalamanFull {
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padding-left: 50px;
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padding-right: 50px;
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}
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header,
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footer {
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background-color: rgb(18, 18, 18);
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display: flex;
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align-items: center;
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justify-content: space-between;
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}
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.HalamanFull {
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background-color: rgb(28, 28, 28);
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color: white;
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height: 100%;
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display: flex;
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align-items: left;
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justify-content: left;
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padding-bottom: 20px;
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padding-top: 20px;
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}
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.icon {
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width: 70px;
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height: 70px;
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background-image: url("https://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Nazi_Swastika.svg/2048px-Nazi_Swastika.svg.png");
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background-size: cover;
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margin-right: 20px;
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margin-left: 20px;
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}
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.centered {
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display: flex;
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align-items: center;
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justify-content: center;
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}
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h1 {
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font-size: 40px;
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margin-right: 100px;
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}
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.text {
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padding-top: 30px;
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padding-left: 50px;
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color: white;
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}
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#gameover {
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color: red;
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font-size: 90px;
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position: absolute;
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top: 280px;
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left: 300px;
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}
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#game {
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background: rgb(192, 232, 255);
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border: 1px solid white;
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}
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</style>
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</head>
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<body>
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<header>
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<div class="centered">
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<div class="icon"></div>
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<h1>Snake</h1>
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</div>
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</header>
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<div class="HalamanFull">
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<canvas width="1058" height="480" id="game"></canvas>
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<div id="gameover" class="gameover"></div>
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<div>
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<div class="text">Controls: <br />Movement: W A S D <br /><br /></div>
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<div id="text" class="text"></div>
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</div>
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</div>
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<script>
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//bagian tempat main ama buat generate game 2d
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var canvas = document.getElementById("game");
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var content = canvas.getContext("2d");
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const Text = document.getElementById("text");
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const GameoverText = document.getElementById("gameover");
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//settingan awal
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var grid = 16;
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var count = 0;
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var speed = 8;
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var score = 0;
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var highscore = 0;
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var ArahUlar = 0;
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var GameOverTimer = 0;
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//generate gambar external
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var KepalaUlarImage = new Image();
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KepalaUlarImage.src = "image/KepalaHorizontalKanan.png";
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var KepalAtas = new Image();
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KepalAtas.src = "image/KepalaVertikalAtas.png";
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var KepalaBawah = new Image();
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KepalaBawah.src = "image/KepalaVertikalBawah.png";
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var KepalaKiri = new Image();
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KepalaKiri.src = "image/KepalaHorizontalKiri.png";
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var KepalaKanan = new Image();
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KepalaKanan.src = "image/KepalaHorizontalKanan.png";
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// ↑ kepala ular
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var BadanUlarImage = new Image();
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BadanUlarImage.src = "image/BadanVertikal.png";
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// ↑ badan ular
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var ApelImage = new Image();
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ApelImage.src = "image/ApelLayer.png"; // Apel
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var TembokImage = new Image();
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TembokImage.src = "image/Tembok.png"; // Tembok Batagor
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//D:\PROYEK UAS\Game ULAR\gambar\Tembok.png
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//set posisi ular dan Apel
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var Ular = { x: 528, y: 240, dx: grid, dy: 0, cells: [], maxCells: 4 };
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var Apel = { x: 0, y: 0 };
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var Tembok = [];
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UpdateScore(0);
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RandomizeApel();
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RandomSpawnWall();
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//mastiin gambar external generate dulu sebelum game start
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KepalaUlarImage.onload = function () {
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function gameLoop() {}
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};
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//gameover terus ngatur ular ke setting awal
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function gameLoop() {
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if (GameOverTimer > 0) {
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GameOverTimer -= 0.006;
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GameoverText.innerHTML =
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GameOverTimer > 0
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? "Gameover " + GameOverTimer.toFixed(0).toString()
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: "";
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if (GameOverTimer <= 0) {
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Ular.x = 528;
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Ular.y = 240;
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Ular.cells = [];
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Ular.maxCells = 4;
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Ular.dx = grid;
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Ular.dy = 0;
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Tembok = [];
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RandomizeApel();
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UpdateScore(0);
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RandomSpawnWall();
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}
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} else {
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InputKeyboard();
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ClearCanvas();
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Movement();
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IntiGame();
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}
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requestAnimationFrame(gameLoop);
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}
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//random spawn Apel
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function RandomizeApel() {
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var pembataslebar = Math.floor(canvas.width / grid);
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var pembatastinggi = Math.floor(canvas.height / grid);
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Apel.x = Math.floor(Math.random() * pembataslebar) * grid;
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Apel.y = Math.floor(Math.random() * pembatastinggi) * grid;
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}
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function RandomSpawnWall() {
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var TembokX, TembokY;
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var kosong;
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var pembataslebar = Math.floor(canvas.width / grid);
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var pembatastinggi = Math.floor(canvas.height / grid);
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//create tembok
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do {
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kosong = true;
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TembokX = Math.floor(Math.random() * pembataslebar) * grid;
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TembokY = Math.floor(Math.random() * pembatastinggi) * grid;
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//cek untuk posisi yang mau di kasih tembok ada/tidak ada ularnya
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for (var i = 0; i < Ular.cells.length; i++) {
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if (Ular.cells[i].x === TembokX && Ular.cells[i].y === TembokY) {
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kosong = false;
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break;
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}
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}
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//tidak memperbolehkan tembok spawn sama dengan apel
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if (TembokX === Apel.x && TembokY === Apel.y) {
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kosong = false;
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}
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for (var i = 0; i < Tembok.length; i++) {
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if (Tembok[i].x === TembokX && Tembok[i].y === TembokY) {
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kosong = false;
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break;
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}
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}
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} while (kosong === false);
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Tembok.push({ x: TembokX, y: TembokY });
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}
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//nambah tembok tiap score kelipatan ... berapa enaknya ya? 😁
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function PenambahanTembok() {
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if (Tembok.length < Math.floor(score / 2)) {
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RandomSpawnWall();
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}
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}
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//set dan update score
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function UpdateScore(amount) {
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score = amount > 0 ? score + amount : 0;
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highscore = score > highscore ? score : highscore;
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Text.innerHTML =
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"Score: " +
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score +
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"<br>Highscore: " +
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highscore +
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"<br>Speed: " +
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speed;
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PenambahanTembok();
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}
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//gameover countdown
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function GameOver() {
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GameOverTimer = 3;
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}
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//reset isi canvas doang
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function ClearCanvas() {
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content.clearRect(0, 0, canvas.width, canvas.height);
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}
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//bagian utama:
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//ular makan dan mati pas ketemu badannya
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function IntiGame() {
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//buat gambarnya bisa keluar
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content.drawImage(ApelImage, Apel.x, Apel.y, grid, grid);
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Tembok.forEach(function (bata) {
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content.drawImage(TembokImage, bata.x, bata.y, grid, grid);
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});
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Ular.cells.forEach(function (cell, index) {
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if (index === 0) {
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// Logika Pemilihan Gambar Kepala Ular
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var posisiKepalaImage;
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if (Ular.dx === grid) {
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// KANAN
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posisiKepalaImage = KepalaKanan;
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} else if (Ular.dx === -grid) {
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// KIRI
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posisiKepalaImage = KepalaKiri;
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} else if (Ular.dy === -grid) {
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// ATAS
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posisiKepalaImage = KepalAtas;
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} else if (Ular.dy === grid) {
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// BAWAH
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posisiKepalaImage = KepalaBawah;
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} else {
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// Default, misalnya saat game baru mulai (dx=grid, dy=0, atau default awal)
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posisiKepalaImage = KepalaKanan;
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}
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content.drawImage(posisiKepalaImage, cell.x, cell.y, grid, grid);
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} else {
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content.drawImage(BadanUlarImage, cell.x, cell.y, grid, grid);
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}
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});
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//bagian generate ular
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Ular.cells.forEach(function (cell, index) {
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if (index === 0) {
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content.drawImage(KepalaUlarImage, cell.x, cell.y, grid, grid);
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} else {
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content.drawImage(BadanUlarImage, cell.x, cell.y, grid, grid);
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}
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//buat pas ular makan Apel
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if (cell.x === Apel.x && cell.y === Apel.y) {
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Ular.maxCells += 1;
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UpdateScore(1);
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RandomizeApel();
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}
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//tabrak tembok = mati
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if (index === 0) {
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Tembok.forEach(function (bata) {
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if (cell.x === bata.x && cell.y === bata.y) {
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GameOver();
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}
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});
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}
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//buat pas ular mati kena badan sendiri
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for (var i = index + 1; i < Ular.cells.length; i++)
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if (cell.x === Ular.cells[i].x && cell.y === Ular.cells[i].y)
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GameOver();
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});
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}
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function Movement() {
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if (++count < speed) return;
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if (ArahUlar > 0) ArahUlar--;
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count = 0;
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Ular.x += Ular.dx;
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Ular.y += Ular.dy;
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if (
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Ular.x < 0 ||
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Ular.x >= canvas.width ||
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Ular.y < 0 ||
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Ular.y >= canvas.height
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)
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GameOver();
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Ular.cells.unshift({ x: Ular.x, y: Ular.y });
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if (Ular.cells.length > Ular.maxCells) Ular.cells.pop();
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}
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//input keyboard buat jalan
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function InputKeyboard() {
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document.addEventListener("keydown", function (e) {
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if (
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ArahUlar == 0 &&
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((e.code == "KeyA" && Ular.dx === 0) ||
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(e.code == "KeyD" && Ular.dx === 0))
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) {
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ArahUlar = 1;
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Ular.dx = e.code === "KeyA" ? -grid : grid;
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Ular.dy = 0;
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} else if (
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ArahUlar == 0 &&
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((e.code === "KeyW" && Ular.dy === 0) ||
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(e.code == "KeyS" && Ular.dy === 0))
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) {
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ArahUlar = 1;
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Ular.dy = e.code == "KeyW" ? -grid : grid;
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Ular.dx = 0;
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}
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if (e.code === "KeyE" || e.code == "KeyQ")
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speed =
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e.code == "KeyE" && speed > 4
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? speed - 1
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: e.code == "KeyQ" && speed < 9
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? speed + 1
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: speed;
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});
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}
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gameLoop();
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</script>
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<footer class="centered">
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<div class="centered">
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<p></p>
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</div>
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</footer>
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</body>
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</html>
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