private TICKRESULT _GetDistance(Guid target, out float distance)
{
distance = 0f;
var entity = _FieldOfVision.Find((e) => e.Id == target);
if (entity == null)
{
return(TICKRESULT.FAILURE);
}
var mesh = _BuildMesh(entity);
float dis;
Vector2 point;
Vector2 normal;
if (RayPolygonIntersect(
_Entiry.GetPosition(),
Vector2.AngleToVector(_Entiry.Direction),
mesh.Points,
out dis,
out point,
out normal))
{
distance = dis - _Entiry.GetDetectionRange();
return(TICKRESULT.SUCCESS);
}
return(TICKRESULT.FAILURE);
}
private TICKRESULT _GetTargetAngle(Guid id, ref float angle)
{
var target = _Find(id);
if (target == null)
{
return(TICKRESULT.FAILURE);
}
var position = _Entiry.GetPosition();
var diff = target.Position - position;
var a = Vector2.VectorToAngle(diff.GetNormalized());
a += 360;
a %= 360;
angle = a - _Entiry.Direction;
#if UNITY_EDITOR
var distance = target.Position.DistanceTo(position);
var trunForce = Vector2.AngleToVector(a);
var forcePos = position + trunForce * (distance);
UnityEngine.Debug.DrawLine(new UnityEngine.Vector3(position.X, 0, position.Y), new UnityEngine.Vector3(forcePos.X, 0, forcePos.Y), UnityEngine.Color.green, _DecisionTime);
//UnityEngine.Debug.Log("TurnDirection = " + _GoblinWisdom.TurnDirection);
#endif
return(TICKRESULT.SUCCESS);
}
private Hit _Detect(float scan_angle, float max_distance)
{
scan_angle += 360f;
scan_angle %= 360f;
var pos = _Entiry.GetPosition();
var view = Vector2.AngleToVector(scan_angle);
//Unity Debug Code
#if UNITY_EDITOR
UnityEngine.Debug.DrawRay(new UnityEngine.Vector3(pos.X, 0, pos.Y), new UnityEngine.Vector3(view.X, 0, view.Y), UnityEngine.Color.blue, 0.5f);
#endif
var hit = new Hit();
hit.HitPoint = pos + view * max_distance;
hit.Distance = max_distance;
foreach (var visible in _FieldOfVision)
{
var mesh = StandardBehavior._BuildMesh(visible);
float dis;
Vector2 normal;
Vector2 point;
if (RayPolygonIntersect(pos, view, mesh.Points, out dis, out point, out normal))
{
if (dis < hit.Distance)
{
hit.Visible = visible;
hit.HitPoint = point;
hit.Distance = dis;
}
}
}
return(hit);
}
