added click to place tile

added basic window zoom/drag

scripts/Window.gd

@@ -0,0 +1,13 @@
+extends Camera2D
+
+@export var drag_sens: float = 2.0
+
+func _unhandled_input(event):
+	if event is InputEventMouseButton:
+		match event.button_index:
+			MOUSE_BUTTON_WHEEL_DOWN:
+				zoom -= Vector2(0.01, 0.01)
+			MOUSE_BUTTON_WHEEL_UP:
+				zoom += Vector2(0.01, 0.01)
+	if event is InputEventMouseMotion and Input.is_mouse_button_pressed(MOUSE_BUTTON_MIDDLE):
+		position -= event.relative * drag_sens / zoom