private void CheckSurroundings()
{
Collider[] hit = Physics.OverlapSphere(_rb.position, Radius);
GameObjectsInSurroundings.Clear();
GameObjectsInView.Clear();
for (int i = 0; i < hit.Length; i++)
{
var collider = hit[i];
int gameObjectLayer = collider.gameObject.layer;
int layerMask = (gameObjectLayer > 0) ? 1 << gameObjectLayer : gameObjectLayer;
bool isInLayerMask = (mask.value & layerMask) == layerMask;
if (!GameObjectsInSurroundings.Contains(collider.gameObject) && isInLayerMask && collider.gameObject != this.gameObject)
{
GameObjectsInSurroundings.Add(collider.gameObject);
}
}
foreach (var item in GameObjectsInSurroundings)
{
if (IsInView(item))
{
if (!GameObjectsInView.Contains(item))
{
GameObjectsInView.Add(item);
}
}
else
{
if (GameObjectsInView.Contains(item))
{
GameObjectsInView.Remove(item);
}
}
}
}
private void OnDrawGizmos()
{
if (enableDraw)
{
Gizmos.color = Color.blue;
if (_rb != null)
{
var rightSide = TransformVector(_rb.transform.forward * Radius, Angle) + _rb.position;
var leftSide = TransformVector(_rb.transform.forward * Radius, -Angle) + _rb.position;
rightSide.y = _rb.position.y;
leftSide.y = _rb.position.y;
//draw field of vision
Gizmos.DrawLine(_rb.position, rightSide);
Gizmos.DrawLine(_rb.position, leftSide);
Gizmos.DrawWireSphere(_rb.position, Radius);
Gizmos.color = Color.cyan;
Gizmos.DrawLine(_rb.position, (_rb.transform.forward * Radius) + _rb.position);
//draw a line to each item seen
foreach (var item in GameObjectsInSurroundings)
{
Color color = Color.red;
if (GameObjectsInView.Contains(item))
{
color = Color.green;
}
Gizmos.color = color;
Gizmos.DrawLine(_rb.position, item.transform.position);
}
}
}
}