public static ViewCastInfo GetViewCast(Transform transform, float globalAngle, float viewRadius, LayerMask obstacleMask)
{
var dir = FieldOfViewUtility.DirectionFromAngle(transform, globalAngle, true);
RaycastHit hit;
if (Physics.Raycast(transform.position, dir, out hit, viewRadius, obstacleMask))
{
return(new ViewCastInfo(true, hit.point, hit.distance, globalAngle));
}
else
{
return(new ViewCastInfo(false, transform.position + dir * viewRadius, viewRadius, globalAngle));
}
}
void OnSceneGUI()
{
var fov = (FieldOfView)target;
var fovTransform = fov.transform;
Handles.color = Color.white;
Handles.DrawWireArc(fovTransform.position, Vector3.up, Vector3.forward, 360, fov.viewRadius);
var viewAngleA = FieldOfViewUtility.DirectionFromAngle(fovTransform, -fov.viewAngle / 2, false);
var viewAngleB = FieldOfViewUtility.DirectionFromAngle(fovTransform, fov.viewAngle / 2, false);
Handles.DrawLine(fovTransform.position, fovTransform.position + viewAngleA * fov.viewRadius);
Handles.DrawLine(fovTransform.position, fovTransform.position + viewAngleB * fov.viewRadius);
Handles.color = Color.red;
foreach (var visibleTarget in fov.visibleTargets)
{
Handles.DrawLine(fovTransform.position, visibleTarget.position);
}
}