Init

Sky/sky_sphere_spinner.gd

@@ -0,0 +1,52 @@
+extends Node3D
+
+@export var base_spin_speed := 0.05       # Slow ambient rotation
+@export var beat_boost := 0.2             # How much faster it spins with bass
+@export var smoothness := 0.05            # Controls smoothing of the beat signal
+@export var music_bus := "MusicBus"       # Audio bus with the SpectrumAnalyzer
+
+@onready var analyzer = AudioServer.get_bus_effect_instance(
+	AudioServer.get_bus_index(music_bus), 0
+)
+
+# Reference to your mesh
+@onready var mesh: MeshInstance3D = $Sketchfab_model/SphereTest_fbx/RootNode/pSphere1/pSphere1_lambert2_0
+
+var smoothed_bass := 0.0
+var mat: Material = null
+
+func _ready() -> void:
+	if mesh:
+		# Duplicate the material so it’s safe to modify
+		var original_mat = mesh.get_active_material(0)
+		if original_mat:
+			mat = original_mat.duplicate()
+			mesh.set_surface_override_material(0, mat)
+		else:
+			push_warning("Mesh has no material!")
+	else:
+		push_error("Mesh path is incorrect!")
+
+func _process(delta: float) -> void:
+	if not analyzer:
+		return
+
+	# Measure low frequencies for the "beat"
+	var bass = analyzer.get_magnitude_for_frequency_range(20, 200)
+	var bass_strength = bass.length() * 5.0
+
+	# Smooth out the data
+	smoothed_bass = lerp(smoothed_bass, bass_strength, smoothness)
+
+	# Determine final spin speed
+	var spin_speed = base_spin_speed + smoothed_bass * beat_boost
+
+	# Apply slow rotation around Y axis (typical for skyboxes)
+	rotation.y += spin_speed * delta
+
+	# Optionally, adjust shader/material color or parameter
+	if mat and mat is StandardMaterial3D:
+		var brightness = 0.6 + smoothed_bass * 0.3
+		mat.albedo_color = Color(brightness, brightness, brightness)
+	elif mat and mat is ShaderMaterial:
+		mat.set_shader_parameter("intensity", 1.0 + smoothed_bass * 0.5)