implement camera display marker to minimap

scenes/CameraMarker.gd

@@ -0,0 +1,28 @@
+extends Sprite2D
+
+var size_multiplier
+var w_s
+var previous_camera_zoom
+
+# 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 amera 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 _on_main_worldgen_ready() -> void:
+	size_multiplier = Globals.map_size / 32
+	w_s = (DisplayServer.window_get_size(0) / size_multiplier)