useHitTest custom ray

[abernier]

https://developer.mozilla.org/en-US/docs/Web/API/XRSession/requestHitTestSource#options accepts an optional offsetRay: XRRay

-> allow current useHitTest() implementation to specify its own ray, like controllers' one for instance.

// Assume raycaster is an instance of THREE.Raycaster

// Destructure the origin and direction vectors
const { origin, direction } = raycaster.ray;

// Normalize the direction vector
direction.normalize();

// Use object destructuring to directly pass the coordinates to the XRRay
const xrRay = new XRRay(
  { ...origin },  // Pass the x, y, z components of the origin
  { ...direction }  // Pass the x, y, z components of the normalized direction
);