交互式WebGL背景与svg图像分层ontop

I am trying to make a background WebGL page that depending on where the mouse is, changes the perspective of an image. Layered ontop is a SVG image which has many shapes. The problem is, is that the SVG has an invisible canvas (artboard?) which causes the background WebGL to stop interacting with the mouse. I am trying to make a background WebGL page tha