Base Tile Size

class Example extends Phaser.Scene
{
    controls;

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('walls_1x2', 'assets/tilemaps/tiles/walls_1x2.png');
    }

    create ()
    {
        // Load a blank map with a 32 x 32 px tile size. This is the base tile size. This means that
        // tiles in the map will be placed on a 32 x 32 px grid.
        const map = this.make.tilemap({ width: 200, height: 200, tileWidth: 32, tileHeight: 32 });

        // You can also change the base tile size of map like this:
        // map.setBaseTileSize(32, 32);

        // Load a 32 x 64 px tileset. This tileset was designed to allow tiles to overlap vertically, so
        // placing them on a 32 x 32 grid is exactly what we want.
        const tiles = map.addTilesetImage('walls_1x2', null, 32, 64);

        // Create a layer filled with random trees
        const layer = map.createBlankLayer('layer1', tiles);

        layer.randomize(0, 0, map.width, map.height, [ 0, 1, 2, 3, 4, 5, 6, 7 ]);

        const cursors = this.input.keyboard.createCursorKeys();

        const controlConfig = {
            camera: this.cameras.main,
            left: cursors.left,
            right: cursors.right,
            up: cursors.up,
            down: cursors.down,
            speed: 0.5
        };

        this.controls = new Phaser.Cameras.Controls.FixedKeyControl(controlConfig);

        const help = this.add.text(16, 16, 'Arrows to scroll', {
            fontSize: '18px',
            padding: { x: 10, y: 5 },
            backgroundColor: '#000000',
            fill: '#ffffff'
        });

        help.setScrollFactor(0);
    }

    update (time, delta)
    {
        this.controls.update(delta);
    }
}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    backgroundColor: '#ffffff',
    parent: 'game-container',
    pixelArt: true,
    scene: Example
};

const game = new Phaser.Game(config);