gd: added input addon

guide_examples/mouse_position_2d/camera_2d.gd

@@ -0,0 +1,19 @@
+## Camera control. We listen to GUIDE's actions to move and zoom the camera. Note how we can
+## mix event-based and polling based input handling, depending on what works better for the 
+## use case.
+extends Camera2D
+
+
+@export var camera_movement:GUIDEAction
+@export var camera_zoom:GUIDEAction
+@export var speed:float = 300
+
+
+func _ready():
+	camera_zoom.triggered.connect(_zoom_camera)
+
+func _process(delta):
+	position += camera_movement.value_axis_2d * speed * delta
+	
+func _zoom_camera():
+	zoom = clamp( zoom + Vector2.ONE * camera_zoom.value_axis_1d, Vector2(0.1, 0.1), Vector2(3, 3))