Interior algorithm taking its shape

proto3/godot/city/cam.gd

@@ -0,0 +1,19 @@
+extends Camera
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	if Input.is_action_pressed("walk_forward"):
+		global_translate(Vector3(0, 0, -1) * 10.0 * delta)
+	if Input.is_action_pressed("walk_back"):
+		global_translate(Vector3(0, 0, 1) * 10.0 * delta)