Function initArena

assets/js/TetrisGame.js:155–171

()

}

function initArena() {
    arena = [];

    const r = new Array(tWidth + 2).fill(1);
    arena.push(r);

    for (let i = 0; i < tHeight; i++) {
        let row = new Array(tWidth).fill(0);
        row.push(1);
        row.unshift(1);

        arena.push(row);
    }

    arena.push(r);
    arena.push(r);
}

function gameOver() {
    for (let j = 1; j < arena[1].length-1; j++)