Add: pack an Array<Vector2<f32>> of samples and push_buffer

- add a method to set the sample rate of the sine wave

2 files changed, 9 insertions, 17 deletions

diff --git a/klangfarb/Main.tscn b/klangfarb/Main.tscn
index da55d83..95d51f7 100644
--- a/klangfarb/Main.tscn
+++ b/klangfarb/Main.tscn
@@ -6,5 +6,5 @@
 
 [node name="Audio" type="AudioStreamPlayer"]
 stream = SubResource( 1 )
-volume_db = -27.262
+volume_db = -7.38
 script = ExtResource( 2 )
diff --git a/klangfarb/main.gd b/klangfarb/main.gd
index 568af36..82f8ce9 100644
--- a/klangfarb/main.gd
+++ b/klangfarb/main.gd
@@ -2,29 +2,21 @@ extends AudioStreamPlayer
 var playback: AudioStreamPlayback = null
 
 var SineWave = preload("res://SineWave.gdns")
-var buffer = SineWave.new()
-var duration = 3
-var samples = buffer.frames(440.0, 44100.0, duration)
-var sample_count = samples.size()
-var current_count = 0
+var wave = SineWave.new()
+var freq = 440.0
 
 func _fill_buffer() -> void:
 	var to_fill = playback.get_frames_available()
-	
-	while to_fill > 0 && current_count != sample_count:
-		var sample_index = current_count
-		playback.push_frame(Vector2.ONE * samples[sample_index]) # Audio frames are stereo.
-		to_fill -= 1
-		current_count += 1
+	print(to_fill)
+	if to_fill > 0:
+		playback.push_buffer(wave.frames(freq, to_fill)) 
 
 func _process(_delta):
-	if current_count < sample_count:
-		_fill_buffer()
-	else:
-		self.stop()
+	_fill_buffer()
 
 func _ready() -> void:
-	self.stream.mix_rate = 44100.0
+	self.stream.mix_rate = freq * 256
+	wave.set_sample_rate(freq * 256)
 	playback = self.get_stream_playback()
 	_fill_buffer()
 	self.play()