Boss encounter

metroidvania/Scenes/Enemies/BossEnemy.gd

@@ -0,0 +1,37 @@
+extends "res://Scenes/Enemies/Enemy.gd"
+
+var MainInstances = ResourceLoader.MainInstances
+
+const Bullet = preload("res://Scenes/Objects/EnemyBullet.tscn")
+
+export (int) var ACCELERATION = 70
+
+onready var rightWallCheck = $RightWallCheck
+onready var leftWallCheck = $LeftWallCheck
+
+func _process(delta):
+	chase_player(delta)
+	
+func chase_player(delta):
+	var player = MainInstances.Player
+	if player != null: # We not dead
+		var direction_to_move = sign(player.global_position.x - global_position.x)
+		motion.x += ACCELERATION * delta * direction_to_move
+		motion.x = clamp(motion.x, -MAX_SPEED, MAX_SPEED)
+		global_position.x += motion.x * delta
+		rotation_degrees = lerp(rotation_degrees, (motion.x / MAX_SPEED) * 10, 0.3)
+		
+		if rightWallCheck.is_colliding() and motion.x > 0:
+			motion.x *= -0.5
+			
+		if rightWallCheck.is_colliding() and motion.x <= 0:
+			motion.x *= -0.5
+
+func fire_bullet() -> void:
+	var bullet = Utils.instance_scene_on_main(Bullet, global_position)
+	var velocity = Vector2.DOWN * 50
+	velocity = velocity.rotated(deg2rad(rand_range(-30, 30)))
+	bullet.velocity = velocity
+
+func _on_Timer_timeout():
+	fire_bullet()