From 17edda946d70f8b4ce6400d7a08cc1f757ec6983 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Wed, 29 May 2024 14:18:50 +0200
Subject: Adding a not_looked method to ArFrame.

---
 src/argaze/ArFeatures.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/argaze/ArFeatures.py b/src/argaze/ArFeatures.py
index ba602de..4e19466 100644
--- a/src/argaze/ArFeatures.py
+++ b/src/argaze/ArFeatures.py
@@ -781,6 +781,20 @@ class ArFrame(DataFeatures.SharedObject, DataFeatures.PipelineStepObject):
 
 				layer.look(self.__identified_gaze_movement)
 
+	def not_looked(self):
+		"""
+		Tell the frame it is not looked currently
+		"""
+
+		# Use frame lock feature
+		with self._lock:
+
+			# No gaze position
+			self.__calibrated_gaze_position = GazeFeatures.GazePosition()
+
+			# No gaze movement identified
+			self.__identified_gaze_movement = GazeFeatures.GazeMovement()
+
 	@DataFeatures.PipelineStepImage
 	def image(self, background_weight: float = None, heatmap_weight: float = None, draw_gaze_position_calibrator: dict = None, draw_scan_path: dict = None, draw_layers: dict = None, draw_gaze_positions: dict = None, draw_fixations: dict = None, draw_saccades: dict = None) -> numpy.array:
 		"""
@@ -1409,6 +1423,7 @@ class ArCamera(ArFrame):
 
 								# TODO?: Should we prefer to use camera frame AOIMatcher object?
 								if aoi_2d.contains_point(timestamped_gaze_position):
+
 									inner_x, inner_y = aoi_2d.clockwise().inner_axis(*timestamped_gaze_position)
 
 									# QUESTION: How to project gaze precision?
@@ -1417,6 +1432,11 @@ class ArCamera(ArFrame):
 									# Project inner gaze position into scene frame
 									scene_frame.look(inner_gaze_position * scene_frame.size)
 
+								else:
+
+									# Tell the frame it is not looked currently
+									scene_frame.not_looked()
+
 						# Ignore missing aoi in camera frame layer projection
 						except KeyError:
 							pass
-- 
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