steam barrier enemy

objects/enemy/steam.gd

@@ -0,0 +1,23 @@
+ extends "res://objects/enemy/enemy.gd"
+
+export var off_time = 1.0
+export var on_time = 1.0
+export var active = false
+
+onready var particles = $SteamParticles
+onready var collision_shape = $Hitbox/CollisionShape2D
+
+var time = 0.0
+
+func _physics_process(delta):
+	time += delta
+	if active && time >= on_time:
+		time -= on_time
+		active = false
+		collision_shape.disabled = true
+		particles.emitting = false
+	elif !active && time >= off_time:
+		time -= off_time
+		active = true
+		collision_shape.disabled = false
+		particles.emitting = true

objects/enemy/steam.tscn

@@ -0,0 +1,38 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://objects/enemy/steam.gd" type="Script" id=1]
+[ext_resource path="res://graphics/particles/dust.png" type="Texture" id=2]
+
+[sub_resource type="Curve" id=2]
+_data = [ Vector2( 0, 0.291411 ), 0.0, 5.40019, 0, 0, Vector2( 0.263812, 1 ), 0.0, 0.0, 0, 0, Vector2( 1, 0 ), -0.0915322, 0.0, 0, 0 ]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 2, 12 )
+
+[node name="Steam" type="Node2D"]
+script = ExtResource( 1 )
+blood = false
+off_time = 2.0
+on_time = 2.0
+
+[node name="SteamParticles" type="CPUParticles2D" parent="."]
+position = Vector2( 4, 0 )
+amount = 16
+texture = ExtResource( 2 )
+direction = Vector2( 0, -1 )
+spread = 10.0
+gravity = Vector2( 0, 0 )
+initial_velocity = 51.55
+damping = 50.0
+angle = 720.0
+angle_random = 1.0
+scale_amount = 0.75
+scale_amount_curve = SubResource( 2 )
+
+[node name="Hitbox" type="Area2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+position = Vector2( 4, -12 )
+shape = SubResource( 1 )
+
+[connection signal="area_entered" from="Hitbox" to="." method="_on_Hitbox_area_entered"]