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extends Camera2D

@onready var basketball = $"../Basketball"
@onready var hoop = $"../Hoop"

func _process(_delta):
	if !basketball.waiting_for_shoot:
		position = (basketball.position + hoop.position) / 2
		adjust_zoom()

func adjust_zoom():
	var dist_to_hoop = basketball.position.distance_to(hoop.position)
	if basketball.waiting_for_shoot:
		dist_to_hoop = basketball.start_position.distance_to(hoop.position)

	# Min and max widths of the court we want visible on screen at once
	var min_width = dist_to_hoop + basketball.drag_radius * 3
	var max_width = limit_right - limit_left
	
	var zoom_level = Vector2(1, 1)

	# Zoom out the camera if we need to show more on screen
	if min_width > limit_right:
		zoom_level /= (min_width / limit_right)

	# Width of the view when the zoom is set to 1
	var view_width = get_viewport().get_visible_rect().size.x

	# Fit the zoom level within the max width if needed
	# TODO: There should also be a vertical limit
	var max_zoom = float(view_width) / float(max_width)
	zoom_level.x = clamp(zoom_level.x, max_zoom, 1)
	zoom_level.y = clamp(zoom_level.y, max_zoom, 1)
	
	set_zoom(zoom_level)

func _on_Basketball_reset():
	position = (basketball.start_position + hoop.position) / 2
	adjust_zoom()