MightyLiners2/Game.gd

extends Node2D

onready var cam = $Grid/Camera1
var players = []
var dist_max = 900
var zoom_rate = 0.001

func _ready():
	players.append($Grid/Player1)
	players.append($Grid/Player2)

func _process(d):
	center_camera()

func center_camera():
	var living_players = []
	var position_accumulator = Vector2(0.0, 0.0)

	for p in players:
		if (p.is_alive()):
			living_players.append(p)
			position_accumulator += p.position

	if living_players.size() == 0:
		# Keep camera in the last position
		return

	cam.position = position_accumulator / living_players.size()

	var dist = 0
	for i in range(living_players.size() - 1):
		for j in range(i + 1, living_players.size()):
			dist = max(dist, living_players[i].position.distance_to(living_players[j].position))

	# Extend camera zoom if liners are far from each other
	var zoom = 1.0
	if dist > dist_max:
		zoom += (dist - dist_max) * zoom_rate

	cam.zoom = Vector2(zoom, zoom)