first commit

ControlElements/Killzone.gd

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+extends KinematicBody2D
+
+enum {IDLE, MOVEUP, MOVEDOWN}
+var state = IDLE
+
+func _on_Killzone_body_entered(body):
+	if body.has_method("reset_ball"):
+		body.reset_ball()
+		state = MOVEUP
+		GameStats.add_balls(-1)
+	if body.has_method("explode"):
+		if (body.has_method("set_particle_direction")):
+			body.set_particle_direction(Vector2(0, -10))
+		body.explode()
+
+func _physics_process(_delta):
+	match state:
+		IDLE: pass
+		MOVEUP: moveup()
+		MOVEDOWN: movedown()
+
+func moveup():
+	var _collide = move_and_collide(Vector2(0, -5))
+
+func movedown():
+	var _collide = move_and_collide(Vector2(0, 5))
+
+func _on_ZoneDetection_area_entered(_area):
+	if (state == MOVEUP):
+		state = MOVEDOWN
+	else: state = IDLE

ControlElements/Killzone.tscn

@@ -0,0 +1,42 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://ControlElements/Killzone.gd" type="Script" id=1]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 195, 9 )
+
+[sub_resource type="RectangleShape2D" id=2]
+extents = Vector2( 10, 303 )
+
+[sub_resource type="RectangleShape2D" id=3]
+extents = Vector2( 192, 10 )
+
+[node name="Killzone" type="KinematicBody2D"]
+collision_layer = 0
+collision_mask = 0
+script = ExtResource( 1 )
+
+[node name="Killzone" type="Area2D" parent="."]
+position = Vector2( 192, 0 )
+
+[node name="Bottom" type="CollisionShape2D" parent="Killzone"]
+shape = SubResource( 1 )
+
+[node name="Left" type="CollisionShape2D" parent="Killzone"]
+position = Vector2( -202, 0 )
+shape = SubResource( 2 )
+
+[node name="Right" type="CollisionShape2D" parent="Killzone"]
+position = Vector2( 202, 0 )
+shape = SubResource( 2 )
+
+[node name="ZoneDetection" type="Area2D" parent="."]
+collision_layer = 0
+collision_mask = 2
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="ZoneDetection"]
+position = Vector2( 192, 0 )
+shape = SubResource( 3 )
+
+[connection signal="body_entered" from="Killzone" to="." method="_on_Killzone_body_entered"]
+[connection signal="area_entered" from="ZoneDetection" to="." method="_on_ZoneDetection_area_entered"]

ControlElements/KillzoneArea.tscn

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+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://ControlElements/Killzone.gd" type="Script" id=1]
+[ext_resource path="res://Effects/stars.png" type="Texture" id=2]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 195, 7 )
+
+[node name="Killzone" type="Area2D"]
+position = Vector2( 192, 0 )
+script = ExtResource( 1 )
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource( 1 )
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 2 )
+
+[connection signal="body_entered" from="." to="." method="_on_Killzone_body_entered"]