add sounds, add logo

scripts/SFX.gd

@@ -0,0 +1,54 @@
+class_name SFX
+
+# Expected files in res://assets/sfx/:
+#   kick_player.ogg   — player kicks something
+#   kick_enemy.ogg    — enemy attacks
+#   merge.ogg         — two objects merge
+#   damage.ogg        — player takes damage
+#   ambient.ogg       — looping background ambience
+
+const _BASE := "res://assets/sfx/"
+
+static func _play(name: String, parent: Node, volume_db: float = 0.0, pitch: float = 1.0) -> void:
+	var path := _BASE + name
+	if not ResourceLoader.exists(path):
+		return
+	var stream := load(path) as AudioStream
+	if stream == null:
+		return
+	var p := AudioStreamPlayer.new()
+	p.stream     = stream
+	p.volume_db  = volume_db
+	p.pitch_scale = pitch + randf_range(-0.06, 0.06)
+	p.bus        = "Master"
+	parent.add_child(p)
+	p.play()
+	p.connect("finished", p.queue_free)
+
+static func kick_player(parent: Node) -> void:
+	_play("kick_player.ogg", parent, -4.0)
+
+static func kick_enemy(parent: Node) -> void:
+	_play("kick_enemy.ogg", parent, -6.0)
+
+static func merge(parent: Node) -> void:
+	_play("merge.ogg", parent, -3.0)
+
+static func damage(parent: Node) -> void:
+	_play("damage.ogg", parent, -2.0)
+
+static func start_ambient(parent: Node) -> AudioStreamPlayer:
+	var path := _BASE + "ambient.ogg"
+	if not ResourceLoader.exists(path):
+		return null
+	var stream := load(path) as AudioStream
+	if stream == null:
+		return null
+	var p := AudioStreamPlayer.new()
+	p.stream     = stream
+	p.volume_db  = -14.0
+	p.bus        = "Master"
+	p.autoplay   = true
+	(stream as AudioStreamOggVorbis).loop = true
+	parent.add_child(p)
+	return p