added objective, added boss

Enemies/DemonBoss.gd

@@ -0,0 +1,50 @@
+extends KinematicBody2D
+
+const SPEED: int = 30
+
+var player: KinematicBody2D = null
+var velocity: Vector2 = Vector2.ZERO
+
+var status = "walk"
+
+func _physics_process(_delta: float) -> void:
+	velocity = Vector2.ZERO
+
+	if player:
+		velocity = position.direction_to(player.position).normalized() * SPEED
+		var angle = position.angle_to_point(player.position)
+		if abs(angle) > PI/2:
+			$AnimatedSprite1.scale.x = -0.563
+		else:
+			$AnimatedSprite1.scale.x = 0.563
+
+	velocity = move_and_slide(velocity)
+	return
+
+
+func _on_player_detector_area_entered(area: Area2D) -> void:
+	if area.get_parent().name == 'Player':
+		player = area.get_parent()
+		$AnimatedSprite1.animation = "Walk"
+	return
+
+
+func _on_player_detector_area_exited(_area: Area2D):
+	player = null
+	$AnimatedSprite1.animation = "Idle"
+	return
+
+
+func _on_Player_Attack_area_entered(area: Area2D) -> void:
+	if area.get_parent().name == 'Player':
+		player = area.get_parent()
+		$AnimatedSprite1.animation = "Attack"
+		status = "attack"
+	return
+
+
+func _on_Player_Attack_area_exited(area: Area2D) -> void:
+	player = null
+	if not status == "attack":
+		$AnimatedSprite1.animation = "Walk"
+	return