Initial commit

stage/level4.py

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+"""
+Niveau 4
+Jouer des accords
+"""
+
+import synth
+import math
+
+music = [
+	[2, [5, 9]],
+	[2, [4, 8]],
+	[1, [-12]],
+	[1, [0, 2, 4]],
+	[1, [-10]],
+	[1, [2, 4, 6]],
+]
+
+encoder = synth.Encoder()
+
+for chord in music:
+	for t in range(chord[0]*4000):
+		total = 0
+		for note in chord[1]:
+			total = total + math.sin(t/16000 * 440 * 2**(note/12) * 2*math.pi)
+		encoder.write(total * 0.3)