minor tweaks and fixed barrel explosion

scripts/barrel_explosion.gd

@@ -0,0 +1,35 @@
+extends Node3D
+
+@onready var top_part: RigidBody3D = $TopPart
+@onready var explosion_audio: AudioStreamPlayer3D = $Explosion
+@onready var die_particles: GPUParticles3D = $dieParticles
+
+@onready var collision_shapes = [$TopPart/CollisionShape3D, $BottomPart/CollisionShape3D]
+
+const MAX_LV = 20
+const MAX_AV = 20
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	var lv_x = randf_range(-MAX_LV,MAX_LV)
+	var lv_y = randf_range(0,MAX_LV)
+	var lv_z = randf_range(-MAX_LV,MAX_LV)
+	var av_x = randf_range(-MAX_AV,MAX_AV)
+	var av_y = randf_range(-MAX_AV,MAX_AV)
+	var av_z = randf_range(-MAX_AV,MAX_AV)
+	
+	top_part.linear_velocity += Vector3(lv_x,lv_y,lv_z)
+	top_part.angular_velocity += Vector3(av_x,av_y,av_z)
+	explosion_audio.play()
+	die_particles.emitting = true
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+
+func _on_timer_timeout() -> void:
+	for i in collision_shapes:
+		i.disabled = true
+	await get_tree().create_timer(1).timeout
+	queue_free()