Make the camera zoom when distance increase

Distance increase between players.

Game.gd

@@ -3,6 +3,8 @@ extends Node2D
 var cam
 var p1
 var p2
+var dist_max = 900
+var zoom_rate = 0.001
 
 func _ready():
 	cam = $Grid/Camera1
@@ -11,3 +13,11 @@ func _ready():
 
 func _process(d):
 	cam.position = 0.5 * (p1.position + p2.position)
+
+	var dist = (p1.position).distance_to(p2.position)
+
+	if dist < dist_max:
+		cam.zoom = Vector2(1.0, 1.0)
+	else:
+		var zoom = 1.0 + (dist - dist_max) * zoom_rate
+		cam.zoom = Vector2(zoom, zoom)

Player.tscn

@@ -51,5 +51,5 @@ __meta__ = {
 
 [node name="Tween" type="Tween" parent="."]
 script = ExtResource( 3 )
-duration = 0.25
+duration = 0.1
 [connection signal="body_entered" from="." to="." method="_on_crash"]