refines card movement

project.godot

@@ -32,3 +32,8 @@ MAIN={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":32,"location":0,"echo":false,"script":null)
 ]
 }
+SELECT={
+"deadzone": 0.2,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"canceled":false,"pressed":false,"double_click":false,"script":null)
+]
+}

scenes/card/card.gd

@@ -14,62 +14,65 @@ var oracle_text: String
 var tapped: bool
 
 # Card input state.
-var is_focused: bool  # Is the card a focus?
-var is_dragging: bool  # Is the card currently being dragged?
+var hovered: bool  # Is the mouse currently on this card?
+var dragging: bool  # Is the card currently being dragged?
+var focused: bool  # Is this card currently a focus?
 
 var mouse_offset: Vector2
 
 
 func _physics_process(delta: float) -> void:
-	if is_focused:
+	focused = hovered or dragging
+
+	if focused:
 		# TODO: Export handling keypresses to its own area.
 		if Input.is_action_just_pressed("MAIN"):
 			tapped = not tapped
 			$TweenController.tap(tapped, delta)
 
-	if is_dragging:
+		if Input.is_action_just_pressed("SELECT"):
+			dragging = true
+			Input.set_default_cursor_shape(Input.CURSOR_DRAG)
+			mouse_offset = get_global_mouse_position() - global_position
+
+		if Input.is_action_just_released("SELECT"):
+			dragging = false
+			check_hover()
+
+	if dragging:
 		$TweenController.move_to(get_global_mouse_position() - mouse_offset, delta)
 
 
-func _on_input_event(viewport: Node, event: InputEvent, shape_idx: int) -> void:
-	if event is not InputEventMouseButton:
-		return
-
-	match event.button_index:
-		# MOUSE BUTTONS
-		MOUSE_BUTTON_LEFT:
-			if event.pressed:
-				Input.set_default_cursor_shape(Input.CURSOR_DRAG)
-				mouse_offset = get_global_mouse_position() - global_position
-				is_dragging = true
-			else:
-				Input.set_default_cursor_shape(Input.CURSOR_POINTING_HAND)
-				is_dragging = false
-		MOUSE_BUTTON_RIGHT:
-			# TODO: Tooltip menu for right-button clicking on cards.
-			pass
+# This is called when we want to apply the behaviour of the mouse being
+# inside/outside the card when we can't trigger the enter/exit triggers.
+func check_hover() -> void:
+	if hovered:
+		_on_mouse_entered()
+	else:
+		_on_mouse_exited()
 
 
 func _on_mouse_entered() -> void:
-	# Do not care about mouse entering if we're dragging the card.
-	if is_dragging:
+	hovered = true
+
+	# Do not apply any more effects if we're dragging the card.
+	if dragging:
 		return
 
 	Input.set_default_cursor_shape(Input.CURSOR_POINTING_HAND)
 	$TweenController.scale(1.05)
-	is_focused = true
 
 
 func _on_mouse_exited() -> void:
-	# Do not care about mouse exiting if we're dragging the card.
-	if is_dragging:
+	hovered = false
+
+	# Do not apply any more effects if we're dragging the card.
+	if dragging:
 		return
 
 	Input.set_default_cursor_shape(Input.CURSOR_ARROW)
 	$TweenController.scale(1.0)
 
-	is_focused = false
-
 
 func _card_error(error_type: String) -> String:
 	return "ERROR::CARD::%s::%s::%s::\n" % [card_id, card_name, error_type]

scenes/card/card.tscn

@@ -18,7 +18,7 @@ shape = SubResource("RectangleShape2D_kikvd")
 
 [node name="TweenController" type="Node2D" parent="."]
 script = ExtResource("2_imta7")
+move_speed = 50.0
 
-[connection signal="input_event" from="Area2D" to="." method="_on_input_event"]
 [connection signal="mouse_entered" from="Area2D" to="." method="_on_mouse_entered"]
 [connection signal="mouse_exited" from="Area2D" to="." method="_on_mouse_exited"]