Method resize

packages/melonjs/src/renderable/text/bitmaptext.js:325–335

* change the font display size * @param {number} scale - ratio * @returns {BitmapText} this object for chaining

(scale)

	 * @returns {BitmapText} this object for chaining
	 */
	resize(scale) {
		this.fontScale.set(scale, scale);

		// remeasure with new scale (cached for updateBounds)
		this.metrics.measureText(this._text);
		this.updateBounds();

		this.isDirty = true;

		return this;
	}

	/**
	 * measure the given text size in pixels