Bounds At Zero

class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
        this.moveCam = false;
    }

    preload () 
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v355');
        this.load.image('bg', 'assets/pics/uv-grid-diag.png');
        this.load.image('block', 'assets/sprites/block.png');
    }

    create () 
    {
        //  Set the camera and physics bounds to be the size of 4x4 bg images
        this.cameras.main.setBounds(-1024, -1024, 1024 * 2, 1024 * 2);
        this.physics.world.setBounds(-1024, -1024, 1024 * 2, 1024 * 2);

        this.add.image(-1024, -1024, 'bg').setOrigin(0);
        this.add.image(0, -1024, 'bg').setOrigin(0);
        this.add.image(-1024, 0, 'bg').setOrigin(0);
        this.add.image(0, 0, 'bg').setOrigin(0);

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

        this.player = this.physics.add.image(0, 0, 'block');

        this.player.setCollideWorldBounds(true);

        this.cameras.main.startFollow(this.player, true);

        // this.cameras.main.setDeadzone(400, 200);
        // this.cameras.main.setZoom(0.5);

        if (this.cameras.main.deadzone)
        {
           const graphics = this.add.graphics().setScrollFactor(0);
            graphics.lineStyle(2, 0x00ff00, 1);
            graphics.strokeRect(200, 200, this.cameras.main.deadzone.width, this.cameras.main.deadzone.height);
        }

        this.text = this.add.text(32, 32).setScrollFactor(0).setFontSize(32).setColor('#ffffff');
    }

    update () 
    {
        var cam = this.cameras.main;

        if (cam.deadzone)
        {
            this.text.setText([
                'ScrollX: ' + cam.scrollX,
                'ScrollY: ' + cam.scrollY,
                'MidX: ' + cam.midPoint.x,
                'MidY: ' + cam.midPoint.y,
                'deadzone left: ' + cam.deadzone.left,
                'deadzone right: ' + cam.deadzone.right,
                'deadzone top: ' + cam.deadzone.top,
                'deadzone bottom: ' + cam.deadzone.bottom
            ]);
        }
        else
        {
            this.text.setText([
                'ScrollX: ' + cam.scrollX,
                'ScrollY: ' + cam.scrollY,
                'MidX: ' + cam.midPoint.x,
                'MidY: ' + cam.midPoint.y
            ]);
        }
        this.player.setVelocity(0);
    
        if (this.cursors.left.isDown)
        {
            this.player.setVelocityX(-300);
        }
        else if (this.cursors.right.isDown)
        {
            this.player.setVelocityX(300);
        }
    
        if (this.cursors.up.isDown)
        {
            this.player.setVelocityY(-300);
        }
        else if (this.cursors.down.isDown)
        {
            this.player.setVelocityY(300);
        }
    }
}

const config = {
    type: Phaser.AUTO,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    physics: {
        default: 'arcade',
    },
    scene: [ Example ]
};
const game = new Phaser.Game(config);