spider implementation! death_blood_offset variable added to enemy.gd to facilitate

objects/enemy/spider.tscn

@@ -0,0 +1,51 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://graphics/enemy/spider.png" type="Texture" id=1]
+[ext_resource path="res://objects/enemy/spider.gd" type="Script" id=2]
+
+[sub_resource type="AtlasTexture" id=1]
+atlas = ExtResource( 1 )
+region = Rect2( 0, 0, 15, 14 )
+
+[sub_resource type="AtlasTexture" id=2]
+atlas = ExtResource( 1 )
+region = Rect2( 15, 0, 15, 14 )
+
+[sub_resource type="SpriteFrames" id=3]
+animations = [ {
+"frames": [ SubResource( 1 ), SubResource( 2 ) ],
+"loop": true,
+"name": "default",
+"speed": 7.0
+} ]
+
+[sub_resource type="RectangleShape2D" id=4]
+extents = Vector2( 4.5, 4 )
+
+[node name="Spider" type="Node2D" groups=["enemy"]]
+script = ExtResource( 2 )
+speed = 30.0
+
+[node name="Line2D" type="Line2D" parent="."]
+position = Vector2( 4.5, 0 )
+points = PoolVector2Array( 0, 0, 0, 0 )
+width = 1.0
+default_color = Color( 1, 1, 1, 1 )
+
+[node name="RayCast2D" type="RayCast2D" parent="."]
+position = Vector2( 4.5, 4 )
+cast_to = Vector2( 0, -192 )
+
+[node name="Hitbox" type="Area2D" parent="." groups=["enemy_hitbox"]]
+position = Vector2( 5, 5 )
+
+[node name="AnimatedSprite" type="AnimatedSprite" parent="Hitbox"]
+frames = SubResource( 3 )
+frame = 1
+playing = true
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+position = Vector2( -0.5, -1 )
+shape = SubResource( 4 )
+
+[connection signal="area_entered" from="Hitbox" to="." method="_on_Hitbox_area_entered"]