Add a new "CanvasCameras" node group for the canvas cameras

project.godot

@@ -61,6 +61,10 @@ window/per_pixel_transparency/allowed.web=false
 
 enabled=PackedStringArray("res://addons/aimg_io/plugin.cfg", "res://addons/dockable_container/plugin.cfg", "res://addons/keychain/plugin.cfg")
 
+[global_group]
+
+CanvasCameras=""
+
 [importer_defaults]
 
 texture={

src/Autoload/Global.gd

@@ -622,12 +622,6 @@ var cel_button_scene: PackedScene = load("res://src/UI/Timeline/CelButton.tscn")
 )
 ## Camera of the main canvas.
 @onready var camera: CanvasCamera = main_viewport.find_child("Camera2D")
-## Camera of the second canvas preview.
-@onready var camera2: CanvasCamera = second_viewport.find_child("Camera2D2")
-## Camera of the canvas preview.
-@onready var camera_preview: CanvasCamera = control.find_child("CameraPreview")
-## Array of cameras used in Pixelorama.
-@onready var cameras := [camera, camera2, camera_preview]
 ## Horizontal ruler of the main canvas. It has the [param HorizontalRuler.gd] script attached.
 @onready var horizontal_ruler: BaseButton = control.find_child("HorizontalRuler")
 ## Vertical ruler of the main canvas. It has the [param VerticalRuler.gd] script attached.

src/Tools/UtilityTools/Pan.gd

@@ -3,8 +3,8 @@ extends BaseTool
 
 func draw_start(pos: Vector2i) -> void:
 	super.draw_start(pos)
-	Global.camera.drag = true
-	Global.camera2.drag = true
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
+		camera.drag = true
 
 
 func draw_move(pos: Vector2i) -> void:
@@ -13,5 +13,5 @@ func draw_move(pos: Vector2i) -> void:
 
 func draw_end(pos: Vector2i) -> void:
 	super.draw_end(pos)
-	Global.camera.drag = false
-	Global.camera2.drag = false
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
+		camera.drag = false

src/Tools/UtilityTools/Zoom.gd

@@ -28,11 +28,13 @@ func _on_ModeOptions_item_selected(id: ZoomMode) -> void:
 
 
 func _on_FitToFrame_pressed() -> void:
-	Global.camera.fit_to_frame(Global.current_project.size)
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
+		camera.fit_to_frame(Global.current_project.size)
 
 
 func _on_100_pressed() -> void:
-	Global.camera.zoom_100()
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
+		camera.zoom_100()
 
 
 func get_config() -> Dictionary:
@@ -50,20 +52,21 @@ func update_config() -> void:
 func draw_start(pos: Vector2i) -> void:
 	super.draw_start(pos)
 	var mouse_pos := get_global_mouse_position()
-	var viewport_rect := Rect2(Global.main_viewport.global_position, Global.main_viewport.size)
-	var viewport_rect_2 := Rect2(
-		Global.second_viewport.global_position, Global.second_viewport.size
-	)
-
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
+		var viewport_container := camera.get_viewport().get_parent() as SubViewportContainer
+		var viewport_rect := Rect2(viewport_container.global_position, viewport_container.size)
 		if viewport_rect.has_point(mouse_pos):
-		Global.camera.zoom_camera(_zoom_mode * 2 - 1)
-	elif viewport_rect_2.has_point(mouse_pos):
-		Global.camera2.zoom_camera(_zoom_mode * 2 - 1)
+			camera.zoom_camera(_zoom_mode * 2 - 1)
 
 
 func draw_move(pos: Vector2i) -> void:
 	super.draw_move(pos)
-	Global.camera.zoom_camera(-_relative.x / 3)
+	var mouse_pos := get_global_mouse_position()
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
+		var viewport_container := camera.get_viewport().get_parent() as SubViewportContainer
+		var viewport_rect := Rect2(viewport_container.global_position, viewport_container.size)
+		if viewport_rect.has_point(mouse_pos):
+			camera.zoom_camera(-_relative.x / 3)
 
 
 func draw_end(pos: Vector2i) -> void:

src/UI/Canvas/Canvas.gd

@@ -98,7 +98,7 @@ func _input(event: InputEvent) -> void:
 
 
 func camera_zoom() -> void:
-	for camera in Global.cameras:
+	for camera: CanvasCamera in get_tree().get_nodes_in_group("CanvasCameras"):
 		camera.fit_to_frame(Global.current_project.size)
 
 	Global.transparent_checker.update_rect()

src/UI/Canvas/CanvasCamera.gd

@@ -142,7 +142,13 @@ func zoom_100() -> void:
 
 
 func fit_to_frame(size: Vector2) -> void:
-	# temporarily disable integer zoom
+	viewport_container = get_viewport().get_parent()
+	var h_ratio := viewport_container.size.x / size.x
+	var v_ratio := viewport_container.size.y / size.y
+	var ratio := minf(h_ratio, v_ratio)
+	if ratio == 0 or !viewport_container.visible:
+		return
+	# Temporarily disable integer zoom.
 	var reset_integer_zoom := Global.integer_zoom
 	if reset_integer_zoom:
 		Global.integer_zoom = !Global.integer_zoom
@@ -150,33 +156,16 @@ func fit_to_frame(size: Vector2) -> void:
 
 	# Adjust to the rotated size:
 	if camera_angle != 0.0:
-		# Calculating the rotated corners of the frame to find its rotated size
+		# Calculating the rotated corners of the frame to find its rotated size.
 		var a := Vector2.ZERO  # Top left
-		var b := Vector2(size.x, 0).rotated(camera_angle)  # Top right
-		var c := Vector2(0, size.y).rotated(camera_angle)  # Bottom left
-		var d := Vector2(size.x, size.y).rotated(camera_angle)  # Bottom right
+		var b := Vector2(size.x, 0).rotated(camera_angle)  # Top right.
+		var c := Vector2(0, size.y).rotated(camera_angle)  # Bottom left.
+		var d := Vector2(size.x, size.y).rotated(camera_angle)  # Bottom right.
 
-		# Find how far apart each opposite point is on each axis, and take the longer one
+		# Find how far apart each opposite point is on each axis, and take the longer one.
 		size.x = maxf(absf(a.x - d.x), absf(b.x - c.x))
 		size.y = maxf(absf(a.y - d.y), absf(b.y - c.y))
 
-	viewport_container = get_viewport().get_parent()
-	var h_ratio := viewport_container.size.x / size.x
-	var v_ratio := viewport_container.size.y / size.y
-	var ratio := minf(h_ratio, v_ratio)
-	if ratio == 0 or !viewport_container.visible:
-		ratio = 0.1  # Set it to a non-zero value just in case
-		# If the ratio is 0, it means that the viewport container is hidden
-		# in that case, use the other viewport to get the ratio
-		if index == Cameras.MAIN:
-			h_ratio = Global.second_viewport.size.x / size.x
-			v_ratio = Global.second_viewport.size.y / size.y
-			ratio = minf(h_ratio, v_ratio)
-		elif index == Cameras.SECOND:
-			h_ratio = Global.main_viewport.size.x / size.x
-			v_ratio = Global.main_viewport.size.y / size.y
-			ratio = minf(h_ratio, v_ratio)
-
 	ratio = clampf(ratio, 0.1, ratio)
 	zoom = Vector2(ratio, ratio)
 	if reset_integer_zoom:

src/UI/CanvasPreviewContainer/CanvasPreviewContainer.tscn

@@ -77,7 +77,7 @@ anchors_preset = 0
 [node name="CanvasPreview" parent="VBox/HBox/PreviewViewportContainer/SubViewport" instance=ExtResource("5")]
 unique_name_in_owner = true
 
-[node name="CameraPreview" type="Node2D" parent="VBox/HBox/PreviewViewportContainer/SubViewport"]
+[node name="CameraPreview" type="Node2D" parent="VBox/HBox/PreviewViewportContainer/SubViewport" groups=["CanvasCameras"]]
 unique_name_in_owner = true
 script = ExtResource("5_ge2km")
 index = 2
@@ -122,10 +122,9 @@ layout_mode = 2
 size_flags_horizontal = 3
 mouse_default_cursor_shape = 2
 clip_text = true
-item_count = 2
 selected = 0
+item_count = 2
 popup/item_0/text = "All frames"
-popup/item_0/id = 0
 popup/item_1/text = "Current frame as spritesheet"
 popup/item_1/id = 1
 

src/UI/UI.tscn

@@ -325,7 +325,7 @@ anchors_preset = 0
 
 [node name="Canvas" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer/SubViewport" instance=ExtResource("19")]
 
-[node name="Camera2D" type="Node2D" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer/SubViewport"]
+[node name="Camera2D" type="Node2D" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer/SubViewport" groups=["CanvasCameras"]]
 script = ExtResource("7")
 
 [node name="CanvasLayer" type="CanvasLayer" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer/SubViewport"]
@@ -361,7 +361,7 @@ anchors_preset = 0
 
 [node name="CanvasPreview" parent="DockableContainer/Second Canvas/SubViewport" instance=ExtResource("2")]
 
-[node name="Camera2D2" type="Node2D" parent="DockableContainer/Second Canvas/SubViewport"]
+[node name="Camera2D2" type="Node2D" parent="DockableContainer/Second Canvas/SubViewport" groups=["CanvasCameras"]]
 script = ExtResource("7")
 index = 1