private IEnumerable <GameObject> FindObjectsInGaze(IEnumerable <GazePoint> gazePoints, Camera camera)
{
var points = gazePoints
.Where(gazePoint => gazePoint.IsWithinScreenBounds)
.Select(gazePoint => gazePoint.Screen);
var objectsInGaze = new List <GameObject>();
IEnumerable <RaycastHit> hitInfos;
if (HitTestFromPoint.FindMultipleObjectsInWorldFromMultiplePoints(out hitInfos, points, camera,
MaximumDistance, LayerMask))
{
foreach (var raycastHit in hitInfos)
{
objectsInGaze.Add(raycastHit.collider.gameObject);
}
}
return(objectsInGaze);
}
private IEnumerable <GameObject> FindObjectsInGaze(Vector2 gazePoint, Camera camera)
{
var objectsInGaze = new List <GameObject>();
float fovealAngle = 2.0f;
float distanceGazeOriginToScreen_inches = 24f;
var dpi = Screen.dpi > 0 ? Screen.dpi : 100;
float fovealRadius_inches = Mathf.Tan(fovealAngle * Mathf.Deg2Rad) * distanceGazeOriginToScreen_inches;
int fovealRadius_pixels = Mathf.RoundToInt(fovealRadius_inches * dpi);
var points = PatternGenerator.CreateCircularAreaUniformPattern(gazePoint, fovealRadius_pixels, 4);
IEnumerable <RaycastHit> hitInfos;
if (HitTestFromPoint.FindMultipleObjectsInWorldFromMultiplePoints(out hitInfos, points, camera,
MaximumDistance, LayerMask))
{
foreach (var raycastHit in hitInfos)
{
objectsInGaze.Add(raycastHit.collider.gameObject);
}
}
return(objectsInGaze);
}
