move source files to separate folders

source/uilayer/CameraMarker.gd

@@ -0,0 +1,34 @@
+class_name CameraMarker
+extends Sprite2D
+
+var size_multiplier:float
+var w_s:Vector2
+
+
+# Draws a box represnting the camera view in minimap
+func _draw():
+	draw_rect(Rect2(-w_s.x/2, -w_s.y/2, w_s.x, w_s.y), Color.GREEN, false, -3.0)
+	
+	
+# Rotates the box if camera is rotated
+func _on_camera_zoom_2d_camera_rotation_changed(new_rotation):
+	self.rotation = new_rotation
+
+
+# Redraws the box to a different size if camera is zoomed
+func _on_camera_zoom_2d_camera_zoom_changed(new_zoom_factor):
+	w_s    = DisplayServer.window_get_size(0) / size_multiplier
+	w_s.x /= new_zoom_factor
+	w_s.y /= new_zoom_factor
+	queue_redraw()
+	
+
+# Sets the initial size of the camera box, after game is loaded
+func set_camera_marker() -> void:
+	size_multiplier = Globals.map_size / 32
+	w_s = DisplayServer.window_get_size(0) / size_multiplier
+
+
+func set_camera_marker_position(pos:Vector2) -> void:
+	#print("marker pos: ", pos)
+	self.position = pos