originYNumber (default:0.5): The y position on the page, with 0 being the top edge and 1 being the bottom edge. This is used to construct theoriginobject needed by thecanvas-confettiAPI.
originY Number (default:0.5): The y position on the page, with 0 being the top edge and 1 being the bottom edge. This is used to construct the origin object needed by the canvas-confetti API.