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Asked By | tshrpl |
I am getting this particular runtime error
heres my audio bus layout
and heres my script
var definition = 6
var total_w = 400
var total_h = 200
var min_freq = 20
var max_freq = 20000
var max_db = -16
var min_db = -55
export(float) var accel = 10
var histogram = []
onready var spectrum
func _ready():
var bgm_bus_id = AudioServer.get_bus_index('Background Music')
spectrum = AudioServer.get_bus_effect(bgm_bus_id, 0)
func _process(delta):
var freq = min_freq
var interval = (max_freq - min_freq) / definition
for i in range(definition):
var freqrange_low = float(freq - min_freq) / float(max_freq - min_freq)
freqrange_low = freqrange_low * freqrange_low * freqrange_low * freqrange_low
freqrange_low = lerp(min_freq, max_freq, freqrange_low)
freq += interval
var freqrange_high = float(freq - min_freq) / float(max_freq - min_freq)
freqrange_high = freqrange_high * freqrange_high * freqrange_high * freqrange_high
freqrange_high = lerp(min_freq, max_freq, freqrange_high)
var mag = spectrum.get_magnitude_for_frequency_range(freqrange_low, freqrange_high)
mag = linear2db(mag.length())
mag = (mag - min_db) / (max_db - min_db)
mag += 0.3 * (freq - min_freq) / (max_freq - min_freq)
mag = clamp(mag, 0.05, 1)
histogram[i] = 0.1 + lerp(histogram[i], mag, accel * delta)
print(histogram)