Player gun, bullet and its collisiions. Refactor.

metroidvania/Scenes/Objects/Brick.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://Assets/World/Brick.png" type="Texture" id=1]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 8, 8 )
+
+[node name="Brick" type="StaticBody2D"]
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 1 )
+centered = false
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2( 8, 8 )
+shape = SubResource( 1 )

metroidvania/Scenes/Objects/Hitbox.gd

@@ -0,0 +1,9 @@
+extends Area2D
+
+# Deal damage
+
+export (int) var damage = 1
+
+
+func _on_Hitbox_area_entered(hurtbox):
+	hurtbox.emit_signal("hit", damage)

metroidvania/Scenes/Objects/Hitbox.tscn

@@ -0,0 +1,11 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://Scenes/Objects/Hitbox.gd" type="Script" id=1]
+
+[node name="Hitbox" type="Area2D"]
+collision_layer = 0
+collision_mask = 0
+script = ExtResource( 1 )
+
+[node name="Collider" type="CollisionShape2D" parent="."]
+[connection signal="area_entered" from="." to="." method="_on_Hitbox_area_entered"]

metroidvania/Scenes/Objects/Hurtbox.gd

@@ -0,0 +1,5 @@
+extends Area2D
+
+# Receives damage
+
+signal hit(damage)

metroidvania/Scenes/Objects/Hurtbox.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://Scenes/Objects/Hurtbox.gd" type="Script" id=1]
+
+[node name="Hurtbox" type="Area2D"]
+collision_layer = 0
+collision_mask = 0
+script = ExtResource( 1 )
+
+[node name="Collider" type="CollisionShape2D" parent="."]

metroidvania/Scenes/Objects/Proyectile.gd

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+extends Node2D
+
+var velocity = Vector2.ZERO
+
+func _process(delta):
+	position += velocity * delta
+
+
+func _on_VisibilityNotifier2D_viewport_exited(_viewport):
+	queue_free()
+
+
+func _on_Hitbox_body_entered(_body):
+	# When we collide with the world
+	queue_free()
+
+
+func _on_Hitbox_area_entered(_area):
+	# When we collide with an enemy (a hurtbox)
+	queue_free()

metroidvania/Scenes/Objects/Proyectile.tscn

@@ -0,0 +1,20 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://Scenes/Objects/Proyectile.gd" type="Script" id=1]
+[ext_resource path="res://Scenes/Objects/Hitbox.tscn" type="PackedScene" id=2]
+
+[node name="Proyectile" type="Node2D"]
+script = ExtResource( 1 )
+
+[node name="Sprite" type="Sprite" parent="."]
+
+[node name="VisibilityNotifier2D" type="VisibilityNotifier2D" parent="."]
+rect = Rect2( -4, -4, 8, 8 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+
+[node name="Hitbox" parent="." instance=ExtResource( 2 )]
+collision_mask = 2
+[connection signal="viewport_exited" from="VisibilityNotifier2D" to="." method="_on_VisibilityNotifier2D_viewport_exited"]
+[connection signal="area_entered" from="Hitbox" to="." method="_on_Hitbox_area_entered"]
+[connection signal="body_entered" from="Hitbox" to="." method="_on_Hitbox_body_entered"]