480 lines
15 KiB
JavaScript
480 lines
15 KiB
JavaScript
// //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 UpDead = document.getElementById("gameover-overlay");
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const ScoreMain = document.getElementById("gameover-score");
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const PlayAgain = document.getElementById("ulangi");
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const Udahan = document.getElementById("keluar");
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//settingan awal
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var grid = 24;
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var count = 0;
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var speed = 10;
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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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var GameStart = false;
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var ModeH = false;
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const persiapan = document.getElementById("start");
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//generate gambar external
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//kepala
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const kepala = {
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kanan: new Image(),
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kiri: new Image(),
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atas: new Image(),
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bawah: new Image(),
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};
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kepala.kanan.src = "image/KepalaHorizontalKanan.png";
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kepala.kiri.src = "image/KepalaHorizontalKiri.png";
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kepala.atas.src = "image/KepalaVertikalAtas.png";
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kepala.bawah.src = "image/KepalaVertikalBawah.png";
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//badan
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const badan = {
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horizontal: new Image(),
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vertical: new Image(),
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};
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badan.horizontal.src = "image/BadanHorizontal.png";
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badan.vertical.src = "image/BadanVertikal.png";
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//const beluk
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const belok = {
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AtasKanan: new Image(),
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AtasKiri: new Image(),
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BawahKanan: new Image(),
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BawahKiri: new Image(),
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};
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belok.AtasKanan.src = "image/BelokAtasKanan.png";
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belok.AtasKiri.src = "image/BelokAtasKiri.png";
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belok.BawahKanan.src = "image/BelokBawahKanan.png";
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belok.BawahKiri.src = "image/BelokBawahKiri.png";
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//bokong
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const bokong = {
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kanan: new Image(),
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kiri: new Image(),
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atas: new Image(),
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bawah: new Image(),
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};
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bokong.kanan.src = "image/BokongHorizontalKanan.png";
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bokong.kiri.src = "image/BokongHorizontalKiri.png";
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bokong.atas.src = "image/BokongVertikalAtas.png";
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bokong.bawah.src = "image/BokongVertikalBawah.png";
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var ApelImage = new Image();
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ApelImage.src = "image/ApelLayer.png";
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var TembokImage = new Image();
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TembokImage.src = "image/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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//buat ngatur batu spwan apa ga nanti
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const halaman = document.querySelector(".HalamanFull");
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const gameCanvas = document.getElementById("game");
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document.getElementById("mode-normal").addEventListener("click", function () {
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halaman.style.backgroundImage ='url("halamanFull/cherryBlossom.png")';
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halaman.style.setProperty("--overlay-opacity", "0.4");
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gameCanvas.style.filter = "brightness(1)";
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StartingGame(false);
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});
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document.getElementById("mode-tambahan").addEventListener("click", function () {
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halaman.style.backgroundImage ='url("halamanFull/cherryBlossomNight.png")';
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halaman.style.setProperty("--overlay-opacity", "0.7");
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gameCanvas.style.filter = "brightness(0.5)";
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StartingGame(true);
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});
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function getDirection(cell1, cell2) {
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if (cell2.x > cell1.x) return "kanan";
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if (cell2.x < cell1.x) return "kiri";
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if (cell2.y > cell1.y) return "bawah";
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if (cell2.y < cell1.y) return "atas";
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return null;
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}
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//ngatur biar game ga langsung jalan
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function StartingGame(menantang) {
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ModeH = menantang;
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persiapan.style.display = "none";
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if (ModeH) {
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RandomSpawnWall();
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} else {
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Tembok = [];
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}
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GameStart = true;
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}
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//buat ngatur batu spwan apa ga nanti
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document.getElementById("mode-normal").addEventListener("click", function () {
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StartingGame(false);
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});
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document.getElementById("mode-tambahan").addEventListener("click", function () {
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StartingGame(true);
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});
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//play again pas gameover
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function resetGame() {
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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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}
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//ngatur tombol pas gameover kemana abis di klik
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PlayAgain.addEventListener("click", function () {
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UpDead.style.display = "none";
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resetGame();
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ModeH = false;
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persiapan.style.display = "flex";
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});
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Udahan.addEventListener("click", function () {
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UpDead.style.display = "none";
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resetGame();
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ModeH = false;
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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 (!GameStart) {
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requestAnimationFrame(gameLoop);
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return;
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}
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ClearCanvas();
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Movement();
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IntiGame();
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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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do {
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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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//mastiin Apel gak spawn di atas ular
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var isOverlapSnake = Ular.cells.some(cell => cell.x === Apel.x && cell.y === Apel.y);
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//mastiin Apel gak spawn di atas tembok
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var isOverlapWall = Tembok.some(bata => bata.x === Apel.x && bata.y === Apel.y);
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} while (isOverlapSnake || isOverlapWall);
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}
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//random spawn tembok
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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 (Math.abs(Ular.cells[i].x - TembokX) <= grid * 5 && Math.abs(Ular.cells[i].y - TembokY) <= grid * 5) {
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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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//cek agar tembok tidak menumpuk
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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
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function PenambahanTembok() {
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if (ModeH) {
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if (score > 0 && score % 2 === 0 && Tembok.length < 15 && Tembok.length < score / 2) {
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RandomSpawnWall();
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}
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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: " + score + "<br>Highscore: " + highscore + "<br>Speed: " + speed;
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PenambahanTembok();
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}
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//tampilin gameover
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function GameOver() {
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GameStart = false;
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ClearCanvas();
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const GameMode = ModeH ? "Tambahan" : "Normal";
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if (score > 0) {
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}
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ScoreMain.innerHTML = "Score: " + score;
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UpDead.style.display = "flex";
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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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// Gambar Tembok
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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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// Gambar Ular
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Ular.cells.forEach(function (cell, index) {
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var gambarUlar = null;
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//pala ulo
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if (index === 0) {
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if (Ular.dx === grid) gambarUlar = kepala.kanan;
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else if (Ular.dx === -grid) gambarUlar = kepala.kiri;
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else if (Ular.dy === -grid) gambarUlar = kepala.atas;
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else if (Ular.dy === grid) gambarUlar = kepala.bawah;
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}
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//bokong
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else if (index === Ular.cells.length - 1) {
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var sebelum = Ular.cells[index - 1];
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var arahEkor = getDirection(sebelum, cell);
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if (arahEkor === "kanan") gambarUlar = bokong.kanan;
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else if (arahEkor === "kiri") gambarUlar = bokong.kiri;
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else if (arahEkor === "atas") gambarUlar = bokong.atas;
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else if (arahEkor === "bawah") gambarUlar = bokong.bawah;
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}
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//badan
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else {
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var sebelum = Ular.cells[index - 1];
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var sesudah = Ular.cells[index + 1];
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var ArahMasuk = getDirection(sebelum, cell);
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var ArahKeluar = getDirection(cell, sesudah);
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if (ArahMasuk && ArahKeluar) {
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if (ArahMasuk === ArahKeluar) {
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// Badan Lurus (Horizontal/Vertical)
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if (ArahMasuk === "kiri" || ArahMasuk === "kanan") {
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gambarUlar = badan.horizontal;
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} else {
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gambarUlar = badan.vertical;
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}
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}
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// Belokan (Dibalik: Atas menggunakan kondisi Bawah, Bawah menggunakan kondisi Atas)
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else {
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// belok.AtasKanan (Menggunakan logika BawahKanan sebelumnya)
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if ((ArahMasuk === "bawah" && ArahKeluar === "kanan") || (ArahMasuk === "kiri" && ArahKeluar === "atas"))
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gambarUlar = belok.AtasKanan;
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// belok.AtasKiri (Menggunakan logika BawahKiri sebelumnya)
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else if ((ArahMasuk === "bawah" && ArahKeluar === "kiri") || (ArahMasuk === "kanan" && ArahKeluar === "atas"))
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gambarUlar = belok.AtasKiri;
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// belok.BawahKanan (Menggunakan logika AtasKanan sebelumnya)
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else if ((ArahMasuk === "atas" && ArahKeluar === "kanan") || (ArahMasuk === "kiri" && ArahKeluar === "bawah"))
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gambarUlar = belok.BawahKanan;
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// belok.BawahKiri (Menggunakan logika AtasKiri sebelumnya)
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else if ((ArahMasuk === "atas" && ArahKeluar === "kiri") || (ArahMasuk === "kanan" && ArahKeluar === "bawah"))
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gambarUlar = belok.BawahKiri;
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}
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}
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}
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if (gambarUlar) {
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content.drawImage(gambarUlar, cell.x, cell.y, grid, grid);
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}
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//ular makan apel
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if (index === 0) {
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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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//nabrak tembok
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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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//nabrak diri e dw
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for (var i = 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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}
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});
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}
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//update speed kalau score update
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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
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function InputKeyboard() {
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document.addEventListener("keydown", function (e) {
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if (!GameStart) return;
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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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}
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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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else if (
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ArahUlar == 0 &&
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((e.code === "ArrowUp" && Ular.dy === 0) ||
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(e.code == "ArrowDown" && Ular.dy === 0))
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) {
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ArahUlar = 1;
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Ular.dy = e.code == "ArrowUp" ? -grid : grid;
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Ular.dx = 0;
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}
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else if (
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ArahUlar == 0 &&
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((e.code === "ArrowLeft" && Ular.dx === 0) ||
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(e.code == "ArrowRight" && Ular.dx === 0))
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) {
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ArahUlar = 1;
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Ular.dx = e.code == "ArrowLeft" ? -grid : grid;
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Ular.dy = 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 > 2
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? speed - 1
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: e.code == "KeyQ" && speed < 30
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? speed + 1
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: speed;
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});
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}
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// nti ae la daud
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// function kirimSkorKeServer(skor, GameMode) {
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// console.log(`Mengirim skor ${skor} (Mode: ${GameMode}) ke server...`);
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// fetch('score.php', {
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// method: 'POST',
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// headers: {
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// 'Content-Type': 'application/json',
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// },
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// body: JSON.stringify({
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// score: skor,
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// mode: GameMode
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// }),
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// })
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// .then(response => {
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// if (!response.ok) {
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// return response.json().then(error => { throw new Error(error.message || 'Gagal menyimpan skor'); });
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// }
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// return response.json();
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// })
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// .then(data => {
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// if (data.status === 'success') {
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// console.log('✅ Berhasil:', data.message);
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// if (data.message.includes('Highscore baru')) {
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// highscore = skor;
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// UpdateScore(0);
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// }
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// } else {
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// console.error('❌ Error Server:', data.message);
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// }
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// })
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// .catch((error) => {
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// console.error('⚠️ Error Jaringan atau Proses:', error.message);
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// });
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// }
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InputKeyboard();
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gameLoop(); |