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

objects/enemy/explosion.gd

@@ -0,0 +1,10 @@
+extends "res://objects/enemy/enemy.gd"
+
+func _ready():
+	$AnimatedSprite.play("explode")
+
+func _on_animation_finished():
+	queue_free()
+
+func die():
+	return

objects/enemy/explosion.tscn

@@ -0,0 +1,55 @@
+[gd_scene load_steps=11 format=2]
+
+[ext_resource path="res://objects/enemy/explosion.gd" type="Script" id=1]
+[ext_resource path="res://graphics/enemy/explosion.png" type="Texture" id=2]
+
+[sub_resource type="AtlasTexture" id=1]
+atlas = ExtResource( 2 )
+region = Rect2( 0, 0, 64, 64 )
+
+[sub_resource type="AtlasTexture" id=2]
+atlas = ExtResource( 2 )
+region = Rect2( 64, 0, 64, 64 )
+
+[sub_resource type="AtlasTexture" id=3]
+atlas = ExtResource( 2 )
+region = Rect2( 128, 0, 64, 64 )
+
+[sub_resource type="AtlasTexture" id=4]
+atlas = ExtResource( 2 )
+region = Rect2( 192, 0, 64, 64 )
+
+[sub_resource type="AtlasTexture" id=5]
+atlas = ExtResource( 2 )
+region = Rect2( 256, 0, 64, 64 )
+
+[sub_resource type="AtlasTexture" id=6]
+atlas = ExtResource( 2 )
+region = Rect2( 320, 0, 64, 64 )
+
+[sub_resource type="SpriteFrames" id=7]
+animations = [ {
+"frames": [ SubResource( 1 ), SubResource( 2 ), SubResource( 3 ), SubResource( 4 ), SubResource( 5 ), SubResource( 6 ) ],
+"loop": false,
+"name": "explode",
+"speed": 10.0
+} ]
+
+[sub_resource type="RectangleShape2D" id=8]
+extents = Vector2( 24, 24 )
+
+[node name="Explosion" type="Node2D"]
+script = ExtResource( 1 )
+blood = false
+
+[node name="AnimatedSprite" type="AnimatedSprite" parent="."]
+frames = SubResource( 7 )
+animation = "explode"
+
+[node name="Hitbox" type="Area2D" parent="." groups=["enemy_hitbox", "explosion"]]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+shape = SubResource( 8 )
+
+[connection signal="animation_finished" from="AnimatedSprite" to="." method="_on_animation_finished"]
+[connection signal="area_entered" from="Hitbox" to="." method="_on_Hitbox_area_entered"]

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()

objects/enemy/mine.tscn

@@ -0,0 +1,101 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://objects/enemy/mine.gd" type="Script" id=1]
+[ext_resource path="res://graphics/enemy/mine.png" type="Texture" id=2]
+[ext_resource path="res://graphics/enemy/chain.png" type="Texture" id=3]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 8, 8 )
+
+[sub_resource type="Animation" id=2]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/path = NodePath("Hitbox:position")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0 ),
+"transitions": PoolRealArray( 1 ),
+"update": 0,
+"values": [ Vector2( 8, 8 ) ]
+}
+tracks/1/type = "bezier"
+tracks/1/path = NodePath("Hitbox:position:x")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/keys = {
+"points": PoolRealArray( 8, -0.25, 0, 0.25, 0 ),
+"times": PoolRealArray( 0 )
+}
+tracks/2/type = "bezier"
+tracks/2/path = NodePath("Hitbox:position:y")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/keys = {
+"points": PoolRealArray( 8, -0.25, 0, 0.25, 0 ),
+"times": PoolRealArray( 0 )
+}
+
+[sub_resource type="Animation" id=3]
+resource_name = "sway"
+length = 8.0
+loop = true
+tracks/0/type = "bezier"
+tracks/0/path = NodePath("Hitbox:position:x")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"points": PoolRealArray( 4, -1.7, -0.0788159, 1.7, 0.0788159, 12, -1.9, -0.00271606, 1.9, 0.00271606, 4, -1.6, -0.0139103, 1.6, 0.0139103 ),
+"times": PoolRealArray( 0, 4, 8 )
+}
+tracks/1/type = "bezier"
+tracks/1/path = NodePath("Hitbox:position:y")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/keys = {
+"points": PoolRealArray( 8, -0.25, 0, 0.25, 0, 8, -0.25, 0, 0.25, 0, 8, -0.25, 0, 0.25, 0, 8, -0.25, 0, 0.25, 0, 8, -0.25, 0, 0.25, 0 ),
+"times": PoolRealArray( 0, 2, 4, 6, 8 )
+}
+
+[node name="Mine" type="Node2D"]
+script = ExtResource( 1 )
+blood = false
+
+[node name="GroundCast" type="RayCast2D" parent="."]
+visible = false
+position = Vector2( 8, 8 )
+cast_to = Vector2( 0, 192 )
+
+[node name="Chain" type="Line2D" parent="."]
+position = Vector2( 0, 8 )
+points = PoolVector2Array( 8, 0, 8, 16 )
+width = 4.0
+default_color = Color( 1, 1, 1, 1 )
+texture = ExtResource( 3 )
+texture_mode = 1
+
+[node name="Hitbox" type="Area2D" parent="." groups=["enemy_hitbox"]]
+position = Vector2( 8, 8 )
+
+[node name="Sprite" type="Sprite" parent="Hitbox"]
+texture = ExtResource( 2 )
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]
+shape = SubResource( 1 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+autoplay = "sway"
+anims/RESET = SubResource( 2 )
+anims/sway = SubResource( 3 )
+
+[connection signal="area_entered" from="Hitbox" to="." method="_on_Hitbox_area_entered"]