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)