Method setDepth

packages/melonjs/src/video/renderer.js:1069–1071

* Set the current per-renderable depth value. GPU batchers (WebGL * today, WebGPU once it lands) push it into the vertex stream as the * `z` component of each vertex — a no-op under the default * orthographic projection, used by perspective (Camera3d) to scale * and parallax sprites by dista

(depth)

	 * @see Renderable#depth
	 */
	setDepth(depth) {
		this.currentDepth = depth;
	}

	/**
	 * creates a Blob object representing the last rendered frame