var __extends = (this && this.__extends) || function (c, b) {
 for (var f in b) {
 if (b.hasOwnProperty(f)) {
 c[f] = b[f]
 }
 };
 functiona() {
 this.constructor = c
 }
 c.prototype = b === null ? Object.create(b) : (a.prototype = b.prototype, new a())
 };
 (function (BABYLON) {
 var bp = (function (bq) {
 __extends(bp, bq);
 functionbp(w, bD, y, bC, bE) {
 if (bE === void(0)) {
 bE = BABYLON.Texture.TRILINEAR_SAMPLINGMODE
 };
 bq.call(this, w, bD, y, bC, bE)
 }
 /* bp.prototype.drawTextCustom 函数是在 bp 类原型上定义的方法。它需要多个参数来定义要在动态纹理上绘制的文本的属性。 */
 bp.prototype.drawTextCustom = function (bv, N, bx, bA, bB, bt, bs, br, bu, bz) {
 if (bz === void(0)) {
 bz = true
 };
 var bw = this.getSize();
 if (br) {