add mine that explodes on contact with player, shot by arrow, or other mine's explosions

objects/enemy/mine.gd

@@ -0,0 +1,28 @@
+extends "res://objects/enemy/enemy.gd"
+
+const Explosion = preload("res://objects/enemy/explosion.tscn")
+
+onready var chain = $Chain
+onready var hitbox = $Hitbox
+
+func _ready():
+	var ground_cast = $GroundCast
+	ground_cast.force_raycast_update()
+	if ground_cast.is_colliding():
+		chain.points[1].y = chain.to_local(ground_cast.get_collision_point()).y
+
+func _process(delta):
+	chain.points[0].x = hitbox.position.x
+
+func _on_Hitbox_area_entered(area):
+	if area.is_in_group("explosion"):
+		var timer = get_tree().create_timer(0.2, false)
+		timer.connect("timeout", self, "die")
+	if area.is_in_group("player"):
+		die()
+
+func die():
+	var explosion = Explosion.instance()
+	explosion.global_position = hitbox.global_position
+	get_parent().call_deferred("add_child", explosion)
+	queue_free()