game/src/GameSession/Minimap.gd


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extends Control

@export var _background : TextureRect

var _viewport_points : PackedVector2Array

func _draw() -> void:
   if _viewport_points.size() > 1:
      draw_polyline(_viewport_points, Color.WHITE, -1)

func _on_camera_view_changed(near_left : Vector2, far_left : Vector2, far_right : Vector2, near_right : Vector2) -> void:
   _viewport_points.clear()
   _viewport_points.push_back(near_left * _background.size)
   _viewport_points.push_back(far_left * _background.size)
   _viewport_points.push_back(far_right * _background.size)
   _viewport_points.push_back(near_right * _background.size)
   _viewport_points.push_back(_viewport_points[0])
   
   # Cutting out of Frame part of camera polyline
   for i in range(0,_viewport_points.size()):
      for j in range(0,2):
         if _viewport_points[i][j] > _background.size[j]:
            _viewport_points[i][j] = _background.size[j]
         elif _viewport_points[i][j] < 0:
            _viewport_points[i][j] = 1

   queue_redraw()