/// <summary>
/// Converts the touch to a camera point, where the z coordinate is the
/// distance from the camera to the transform on the z axis.
/// </summary>
public static Vector3 TouchToCameraPoint(Touch touch, Transform transform, Camera camera)
{
return(CameraUtils.ScreenToCameraPoint(touch.Position, transform, camera));
}
/// <summary>
/// Converts the screen point to a world point using the transform's root
/// camera. The distance from the camera to the world point will be the
/// same as the distance from the camera to the transform along the z axis.
/// </summary>
public static Vector3 ScreenToWorldPoint(Vector2 point, Transform transform)
{
return(CameraUtils.ScreenToWorldPoint(point, transform, CameraUtils.FindRootCamera(transform)));
}
/// <summary>
/// Finds the main camera in the root of the transform or any of its children.
/// </summary>
/// <param name="transform">
/// The child of the transform that contains the camera tagged <c>MainCamera</c>.
/// </param>
/// <returns>
/// The root camera or null if a camera could not be found.
/// </returns>
public static Camera FindRootCamera(Transform transform)
{
return(CameraUtils.FindRootCamera(transform, "MainCamera"));
}
/// <summary>
/// Converts the screen point to a world point. The distance from the camera
/// to the world point will be the same as the distance from the camera to
/// the transform along the z axis.
/// </summary>
public static Vector3 ScreenToWorldPoint(Vector2 point, Transform transform, Camera camera)
{
return(camera.ScreenToWorldPoint(CameraUtils.ScreenToCameraPoint(point, transform, camera)));
}
/// <summary>
/// Converts the touch to a world point using the transform's root camera.
/// The distance from the camera to the world point will be the same as the
/// distance from the camera to the transform along the z axis.
/// </summary>
public static Vector3 TouchToWorldPoint(Touch touch, Transform transform)
{
return(CameraUtils.TouchToWorldPoint(touch, transform, CameraUtils.FindRootCamera(transform)));
}