guoyao-jiankang/public/static/threejs135/jsm/webxr/Text2D.js

import * as THREE from '../../../build/three.module.js';

function createText( message, height ) {

	const canvas = document.createElement( 'canvas' );
	const context = canvas.getContext( '2d' );
	let metrics = null;
	const textHeight = 100;
	context.font = 'normal ' + textHeight + 'px Arial';
	metrics = context.measureText( message );
	const textWidth = metrics.width;
	canvas.width = textWidth;
	canvas.height = textHeight;
	context.font = 'normal ' + textHeight + 'px Arial';
	context.textAlign = 'center';
	context.textBaseline = 'middle';
	context.fillStyle = '#ffffff';
	context.fillText( message, textWidth / 2, textHeight / 2 );

	const texture = new THREE.Texture( canvas );
	texture.needsUpdate = true;
	//var spriteAlignment = new THREE.Vector2(0,0) ;
	const material = new THREE.MeshBasicMaterial( {
		color: 0xffffff,
		side: THREE.DoubleSide,
		map: texture,
		transparent: true,
	} );
	const geometry = new THREE.PlaneGeometry(
		( height * textWidth ) / textHeight,
		height
	);
	const plane = new THREE.Mesh( geometry, material );
	return plane;

}

export { createText };