CODE EXAMPLE FOR JAVASCRIPT

phaser3 align text center

const screenCenterX = this.cameras.main.worldView.x + this.cameras.main.width / 2;
const screenCenterY = this.cameras.main.worldView.y + this.cameras.main.height / 2;
const loadingText = this.add.text(screenCenterX, screenCenterY, 'Loading: 0%').setOrigin(0.5);