Method getOpacity

packages/melonjs/src/renderable/renderable.js:580–582

* get the renderable alpha channel value * @returns {number} current opacity value between 0 and 1

()

	 * @returns {number} current opacity value between 0 and 1
	 */
	getOpacity() {
		return this.alpha;
	}

	/**
	 * set the renderable alpha channel value<br>