Added beginnings of boss

src/Autoloads/Steering.gd

@@ -0,0 +1,24 @@
+extends Node
+
+const DEFAULT_MASS = 2.0
+const DEFAULT_SLOW_RADIUS = 200.0
+const DEFAULT_MAX_SPEED = 300.0
+
+func arrive_to(velocity, 
+			   position_current, 
+			   position_target, 
+			   mass=DEFAULT_MASS, 
+			   slow_radius=DEFAULT_SLOW_RADIUS, 
+			   max_speed=DEFAULT_MAX_SPEED):
+	"""
+	Calculates and returns a new velocity with the arrive steering behavior arrived based on
+	an existing velocity (Vector2), the object's current and target positions (Vector2)
+	"""
+	var distance_to_target = position_current.distance_to(position_target)
+
+	var desired_velocity = (position_target - position_current).normalized() * max_speed
+	if distance_to_target < slow_radius:
+		desired_velocity *= (distance_to_target / slow_radius) * .75 + .25
+	var steering = (desired_velocity - velocity) / mass
+
+	return velocity + steering