From 0d866d860a988104f531a2accbf5819681ec1336 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Wed, 5 Jul 2023 16:57:21 +0200
Subject: Drawing current gaze movements.

---
 src/argaze/ArFeatures.py | 44 +++++++++++++++++++++++---------------------
 1 file changed, 23 insertions(+), 21 deletions(-)

(limited to 'src')

diff --git a/src/argaze/ArFeatures.py b/src/argaze/ArFeatures.py
index 94ae4af..2a54349 100644
--- a/src/argaze/ArFeatures.py
+++ b/src/argaze/ArFeatures.py
@@ -93,9 +93,6 @@ class ArFrame():
 		# Init current gaze position
 		self.__gaze_position = GazeFeatures.UnvalidGazePosition()
 
-		# Init current gaze movement
-		self.__gaze_movement = GazeFeatures.UnvalidGazeMovement()
-
 		# Init current look at aoi
 		self.__look_at = None
 
@@ -323,15 +320,12 @@ class ArFrame():
 
 			if GazeFeatures.is_fixation(new_gaze_movement):
 
-				# Update current gaze movement
-				self.__gaze_movement = new_gaze_movement
-
 				# Does the fixation match an AOI?
 				self.__look_at = None
 
 				for name, aoi in self.aoi_2d_scene.items():
 
-					_, _, circle_ratio = aoi.circle_intersection(self.__gaze_movement.focus, self.__gaze_movement.deviation_max)
+					_, _, circle_ratio = aoi.circle_intersection(new_gaze_movement.focus, new_gaze_movement.deviation_max)
 
 					if circle_ratio > 0.25:
 
@@ -344,12 +338,12 @@ class ArFrame():
 				# Append fixation to scan path
 				if self.scan_path != None:
 
-					self.scan_path.append_fixation(timestamp, self.__gaze_movement)
+					self.scan_path.append_fixation(timestamp, new_gaze_movement)
 
 				# Append fixation to aoi scan path
 				if self.aoi_scan_path != None and self.__look_at != None:
 
-					aoi_scan_step = self.aoi_scan_path.append_fixation(timestamp, self.__gaze_movement, self.__look_at)
+					aoi_scan_step = self.aoi_scan_path.append_fixation(timestamp, new_gaze_movement, self.__look_at)
 
 					# Analyze aoi scan path
 					if aoi_scan_step and len(self.aoi_scan_path) > 1:
@@ -362,16 +356,13 @@ class ArFrame():
 
 			elif GazeFeatures.is_saccade(new_gaze_movement):
 
-				# Update current gaze movement
-				self.__gaze_movement = new_gaze_movement
-
 				# Update current look at
 				self.__look_at = None
 
 				# Append saccade to scan path
 				if self.scan_path != None:
 					
-					scan_step = self.scan_path.append_saccade(timestamp, self.__gaze_movement)
+					scan_step = self.scan_path.append_saccade(timestamp, new_gaze_movement)
 
 					# Analyze aoi scan path
 					if scan_step and len(self.scan_path) > 1:
@@ -385,7 +376,7 @@ class ArFrame():
 				# Append saccade to aoi scan path
 				if self.aoi_scan_path != None:
 
-					self.aoi_scan_path.append_saccade(timestamp, self.__gaze_movement)
+					self.aoi_scan_path.append_saccade(timestamp, new_gaze_movement)
 
 		# Update heatmap
 		if self.heatmap:
@@ -415,17 +406,25 @@ class ArFrame():
 		# Draw gaze position
 		self.__gaze_position.draw(image, color=(255, 255, 255))
 
-		# Draw gaze movement
+		# Draw current gaze movements
 		if self.gaze_movement_identifier:
 
-			self.__gaze_movement.draw(image, color=(0, 255, 255))
-			self.__gaze_movement.draw_positions(image)
+			current_fixation = self.gaze_movement_identifier.current_fixation
 
-			# Check fixation case
-			if GazeFeatures.is_fixation(self.__gaze_movement):
+			if current_fixation.valid:
+
+				current_fixation.draw(image, color=(0, 255, 255))
+				current_fixation.draw_positions(image)
 
 				# Draw looked AOI
-				self.aoi_2d_scene.draw_circlecast(image, self.__gaze_movement.focus, self.__gaze_movement.deviation_max, base_color=(0, 0, 0), matching_color=(255, 255, 255))
+				self.aoi_2d_scene.draw_circlecast(image, current_fixation.focus, current_fixation.deviation_max, base_color=(0, 0, 0), matching_color=(255, 255, 255))
+
+			current_saccade = self.gaze_movement_identifier.current_saccade
+
+			if current_saccade.valid:
+
+				current_saccade.draw(image, color=(0, 255, 255))
+				current_saccade.draw_positions(image)
 
 		# Unlock frame exploitation
 		self.__look_lock.release()
@@ -555,7 +554,10 @@ class ArScene():
 				# Setup aoi frame
 				new_aoi_frame.name = aoi_name
 				new_aoi_frame.aoi_2d_scene = new_aoi_3d_scene.orthogonal_projection.reframe(aoi_name, new_aoi_frame.size)
-				new_aoi_frame.aoi_scan_path.expected_aois = list(new_aoi_3d_scene.keys())
+
+				if new_aoi_frame.aoi_scan_path != None:
+
+					new_aoi_frame.aoi_scan_path.expected_aois = list(new_aoi_3d_scene.keys())
 
 				# Append new aoi frame
 				new_aoi_frames[aoi_name] = new_aoi_frame
-- 
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