public static Vector3 ProjectWorldPositionOnHandle(InteractiveHandle handle, Vector3 position)
{
if (handle == null)
{
return(Vector3.zero);
}
return(handle.GetProjectionPlane(position).ClosestPointOnPlane(position));
}
public static Vector3 ProjectScreenPositionOnHandle(InteractiveHandle handle, Vector2 screenPosition, Camera camera)
{
if (handle == null || camera == null)
{
return(Vector3.zero);
}
var plane = handle.GetProjectionPlane(camera.transform.position);
var ray = camera.ScreenPointToRay(screenPosition);
float hitDistance;
if (!plane.Raycast(ray, out hitDistance))
{
return(handle.transform.position);
}
return(ray.origin + ray.direction * hitDistance);
}