499 lines
11 KiB
JavaScript
499 lines
11 KiB
JavaScript
const board = document.getElementById('tetris-canvas');
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const scoreElement = document.getElementById('score-value');
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const boardContext = board.getContext('2d');
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boardContext.fillStyle = 'black';
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boardContext.fillRect(0, 0, board.width, board.height);
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const img = new Image();
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img.src = '../img/PieceTetris.png';
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let downInterval = setInterval(() => {
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moveDown();
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refresh();
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}, 1000);
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let rightInterval;
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let leftInterval;
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let keyPress = [];
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let score = 0;
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let level = 0;
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let lines = 0;
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let speed = 1000;
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const templatePiece = [
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[ // ok
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[3, 0],
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[4, 0],
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[5, 0],
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[6, 0],
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[4.5, 0.5]
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],
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[
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[3, 1],
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[4, 1],
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[5, 1],
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[5, 0],
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[4, 1]
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],
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[ // ok
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[3, 1],
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[4, 1],
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[5, 1],
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[3, 0],
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[4, 1]
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],
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[ // ok
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[3, 0],
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[4, 0],
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[4, 1],
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[5, 1],
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[4, 1]
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],
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[
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[3, 1],
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[4, 1],
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[4, 0],
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[5, 0],
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[4, 1]
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],
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[ // ok
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[3, 0],
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[4, 0],
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[4, 1],
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[5, 0],
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[4, 0]
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],
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[ // ok
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[4, 0],
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[5, 0],
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[4, 1],
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[5, 1],
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[4.5, 0.5]
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]
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];
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const MOVELEFT = 1;
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const MOVERIGHT = 2;
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const MOVEDOWN = 3;
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const ROTATE = 4;
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const MOVEDOWNFAST = 5;
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const RESPAWN = 6;
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const history = [];
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const templateColor = [
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[255, 0, 0, 200],
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[0, 255, 0, 200],
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[0, 0, 255, 200],
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[255, 255, 0, 200],
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[0, 255, 255, 200],
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[255, 0, 255, 200],
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[255, 40, 130, 200]
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];
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const speedSecondsToBotomPerLevel = [
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15.974, //0
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14.31, //1
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12.646, //2
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10.982, //3
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9.318, //4
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7.654, //5
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5.99, //6
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4.326, //7
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2.662, //8
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1.997, //9
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1.664, //10
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1.664, //11
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1.664, //12
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1.331, //13
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1.331, //14
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1.331, //15
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0.998, //16
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0.998, //17
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0.998, //18
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0.666, //19
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0.666, //20
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0.666, //21
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0.666, //22
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0.666, //23
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0.666, //24
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0.666, //25
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0.666, //26
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0.666, //27
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0.666, //28
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0.333 //29
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];
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let currentPiece = [];
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let color = []
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let boardData = [];
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for (let i = 0; i < 10; i++) {
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boardData[i] = [];
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for (let j = 0; j < 20; j++) {
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boardData[i][j] = [0, 0, 0, 255];
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}
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}
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function drawTetris(x, y, color) {
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boardContext.drawImage(img, x, y, board.width/10, board.width/10);
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const imageData = boardContext.getImageData(x, y, board.width/10, board.width/10);
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const data = imageData.data;
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for (let i = 0; i < data.length; i += 4) {
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data[i] = data[i] * color[0] / 255;
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data[i + 1] = data[i + 1] * color[1] / 255;
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data[i + 2] = data[i + 2] * color[2] / 255;
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data[i + 3] = data[i + 3] * color[3] / 255;
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}
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boardContext.putImageData(imageData, x, y);
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}
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function drawCurrentPiece() {
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for (let i = 0 ; i < currentPiece.length - 1; i++) {
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let piece = currentPiece[i];
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drawTetris(piece[0] * board.width/10, piece[1] * board.width/10, color);
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}
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}
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function drawBoard() {
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for (let i = 0; i < 10; i++) {
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for (let j = 0; j < 20; j++) {
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if (!(boardData[i][j][0] == 0 && boardData[i][j][1] == 0 && boardData[i][j][2] == 0)) {
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drawTetris(i * board.width/10, j * board.width/10, boardData[i][j]);
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}
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}
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}
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}
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function clearBoard() {
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boardContext.fillStyle = 'black';
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boardContext.fillRect(0, 0, board.width, board.height);
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}
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function drawGrid() {
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boardContext.strokeStyle = 'gray'; // Couleur des lignes du quadrillage
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boardContext.lineWidth = 0.5; // Épaisseur des lignes
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// Dessiner les lignes verticales
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for (let x = 0; x <= board.width; x += board.width / 10) {
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boardContext.beginPath();
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boardContext.moveTo(x, 0);
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boardContext.lineTo(x, board.height);
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boardContext.stroke();
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}
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// Dessiner les lignes horizontales
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for (let y = 0; y <= board.height; y += board.height / 20) {
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boardContext.beginPath();
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boardContext.moveTo(0, y);
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boardContext.lineTo(board.width, y);
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boardContext.stroke();
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}
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}
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function refresh() {
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clearBoard();
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drawGrid();
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drawBoard();
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drawCurrentPiece();
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}
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function loadTetris() {
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currentPieceToBoard();
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checkLine();
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spawnPiece();
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}
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function currentPieceToBoard() {
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if (currentPiece.length != 0) {
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for (let i = 0; i < currentPiece.length - 1; i++) {
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let piece = currentPiece[i];
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boardData[piece[0]][piece[1]] = color; // Copie du tableau color
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}
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}
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}
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function spawnPiece() {
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const random = Math.floor(Math.random() * templatePiece.length);
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currentPiece = [];
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for (let i = 0; i < templatePiece[random].length; i++) {
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currentPiece.push([templatePiece[random][i][0], templatePiece[random][i][1]]);
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}
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color = templateColor[random];
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history.push([RESPAWN, random]);
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}
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function ifMoveTo(x, y) {
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return canMoveTo(x, y, currentPiece);
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}
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function canMoveTo(x, y, piece) {
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for (let i = 0; i < piece.length - 1; i++) {
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if (piece[i][0] + x < 0 || piece[i][0] + x >= 10 || piece[i][1] + y >= 20 || ifPiece(piece[i][0] + x, piece[i][1] + y)) {
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return false;
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}
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}
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return true;
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}
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function ifRotate(piece) {
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for (let i = 0; i < piece.length - 1; i++) {
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if (piece[i][0] < 0 || piece[i][0] >= 10 || piece[i][1] >= 20 || ifPiece(piece[i][0], piece[i][1])) {
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return false;
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}
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}
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return true;
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}
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function ifPiece(x, y) {
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if (x < 0 || x >= 10 || y >= 20) {
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return true;
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}
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if (y < 0) {
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return false;
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}
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if (boardData[x][y][0] == 0 && boardData[x][y][1] == 0 && boardData[x][y][2] == 0) {
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return false;
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}
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return true;
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}
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function rotate() {
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if (currentPiece.length == 0) {
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return;
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}
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let currentPieceCopy = [];
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for (let i = 0; i < currentPiece.length; i++) {
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currentPieceCopy.push([currentPiece[i][0], currentPiece[i][1]]);
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}
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const center = currentPieceCopy[currentPieceCopy.length - 1];
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for (let i = 0; i < currentPiece.length - 1; i++) {
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const x = currentPieceCopy[i][0] - center[0];
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const y = currentPieceCopy[i][1] - center[1];
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currentPieceCopy[i][0] = center[0] - y;
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currentPieceCopy[i][1] = center[1] + x;
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}
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if (ifRotate(currentPieceCopy)) {
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currentPiece = currentPieceCopy;
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history.push([ROTATE, 0]);
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return;
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}
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else {
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for (let x = -1; x <= 1; x++) {
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for (let y = -1; y <= 1; y++) {
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if (canMoveTo(x, y, currentPieceCopy)) {
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moveToPiece(x, y, currentPieceCopy);
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currentPiece = currentPieceCopy;
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history.push([ROTATE, 0]);
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return;
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}
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}
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}
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}
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}
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function checkLine() {
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let lineFilled = 0;
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for (let i = 0; i < 20; i++) {
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let check = true;
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for (let j = 0; j < 10; j++) {
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if (boardData[j][i][0] == 0 && boardData[j][i][1] == 0 && boardData[j][i][2] == 0) {
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check = false;
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break;
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}
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}
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if (check) {
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for (let j = i; j > 0; j--) {
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for (let k = 0; k < 10; k++) {
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boardData[k][j] = boardData[k][j - 1];
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}
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}
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for (let k = 0; k < 10; k++) {
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boardData[k][0] = [0, 0, 0, 255];
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}
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lineFilled++;
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}
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}
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if (lineFilled == 1) {
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score += 40;
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}
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else if (lineFilled == 2) {
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score += 100;
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}
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else if (lineFilled == 3) {
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score += 300;
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}
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else if (lineFilled == 4) {
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score += 1200;
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}
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scoreElement.innerText = score;
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lines += lineFilled;
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level = Math.floor(lines / 10);
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initAndChangeSpeedDrop();
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}
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function initAndChangeSpeedDrop() {
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if (level > 29) {
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speed = (speedSecondsToBotomPerLevel[29]/20) * 1000;
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}
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else {
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speed = (speedSecondsToBotomPerLevel[level]/20) * 1000;
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}
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clearInterval(downInterval);
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downInterval = setInterval(() => {
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moveDown();
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refresh();
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}, speed);
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}
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function moveTo(x, y) {
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moveToPiece(x, y, currentPiece);
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}
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function moveToPiece(x, y, piece) {
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for (let i = 0; i < piece.length; i++) {
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piece[i][0] += x;
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piece[i][1] += y;
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}
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}
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function moveDown() {
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if (!ifMoveTo(0, 1) || currentPiece.length == 1) {
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loadTetris();
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return false;
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}
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moveTo(0, 1);
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history.push([MOVEDOWN, 0]);
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return true;
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}
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function moveLeft() {
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if (!ifMoveTo(-1, 0) || currentPiece.length == 1) {
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return false;
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}
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moveTo(-1, 0);
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history.push([MOVELEFT, 0]);
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return true;
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}
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function moveRight() {
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if (!ifMoveTo(1, 0) || currentPiece.length == 1) {
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return false;
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}
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moveTo(1, 0);
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history.push([MOVERIGHT, 0]);
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return true;
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}
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function fasteDrop() {
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while (ifMoveTo(0, 1)) {
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moveDown();
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}
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loadTetris();
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history.push([MOVEDOWNFAST, 0]);
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}
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img.onload = () => {
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initAndChangeSpeedDrop();
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loadTetris();
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refresh();
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document.addEventListener('keydown', (event) => {
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if (event.key == 'ArrowUp' && !keyPress.includes('ArrowUp')) {
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rotate();
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} else if (event.key == 'ArrowDown' && !keyPress.includes('ArrowDown')) {
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clearInterval(downInterval);
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downInterval = setInterval(() => {
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moveDown();
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refresh();
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}, 50);
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} else if (event.key == 'ArrowLeft' && !keyPress.includes('ArrowLeft')) {
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moveLeft();
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leftInterval = setInterval(() => {
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moveLeft();
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refresh();
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}, 100);
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} else if (event.key == 'ArrowRight' && !keyPress.includes('ArrowRight')) {
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moveRight();
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rightInterval = setInterval(() => {
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moveRight();
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refresh();
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}, 100);
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} else if (event.key == ' ' && !keyPress.includes(' ')) {
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fasteDrop();
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}
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refresh();
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console.log(event.key);
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keyPress.push(event.key);
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});
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document.addEventListener('keyup', (event) => {
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if (event.key == 'ArrowDown') {
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clearInterval(downInterval);
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downInterval = setInterval(() => {
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moveDown();
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refresh();
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}, 1000);
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} else if (event.key == 'ArrowLeft') {
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clearInterval(leftInterval);
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} else if (event.key == 'ArrowRight') {
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clearInterval(rightInterval);
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}
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keyPress = keyPress.filter((key) => {
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return key != event.key;
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});
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});
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}
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