Function updatePointerData

src/ts-tailwind/Backgrounds/Ballpit/Ballpit.tsx:668–671

(data: PointerData, rect: DOMRect)

}

function updatePointerData(data: PointerData, rect: DOMRect) {
  data.position.set(pointerPosition.x - rect.left, pointerPosition.y - rect.top);
  data.nPosition.set((data.position.x / rect.width) * 2 - 1, (-data.position.y / rect.height) * 2 + 1);
}

function isInside(rect: DOMRect) {
  return (