1 files changed, 64 insertions, 0 deletions
diff --git a/extern/audaspace/bindings/python/examples/tetris2.py b/extern/audaspace/bindings/python/examples/tetris2.py
new file mode 100644
index 00000000000..08708581af6
--- /dev/null
+++ b/extern/audaspace/bindings/python/examples/tetris2.py
@@ -0,0 +1,64 @@
+#!/usr/bin/python
+import aud, math, time
+ 
+def parseNotes(notes, bpm, basefreq, rate = 44100,
+               notechars = "XXXCXDXEFXGXAXHcXdXefXgXaXhp"):
+	pos = 0
+	fadelength = 60/bpm/10
+	halfchars = "#b"
+	durationchars = "2345678"
+	position = 0
+	sequence = aud.Sequence()
+ 
+	while pos < len(notes):
+		char = notes[pos]
+		mod = None
+		dur = 1
+		pos += 1
+		while pos < len(notes) and notes[pos] not in notechars:
+			if notes[pos] in halfchars:
+				mod = notes[pos]
+			elif notes[pos] in durationchars:
+				dur = notes[pos]
+			pos += 1
+ 
+		freq = notechars.find(char)
+		if mod == '#':
+			freq += 1
+		elif mod == 'b':
+			freq -= 1
+ 
+		freq = math.pow(2, freq/12)*basefreq
+		length = float(dur)*60/bpm
+ 
+		note = aud.Sound.square(freq, rate).fadein(0, fadelength).fadeout(length - fadelength, fadelength)
+ 
+		entry = sequence.add(note, position, position + length, 0)
+		if char == 'p':
+			entry.muted = True
+
+		position += length
+
+	return sequence.limit(0, position)
+ 
+def tetris(bpm = 300, freq = 220, rate = 44100):
+	notes = "e2Hcd2cH A2Ace2dc H3cd2e2 c2A2A4 pd2fa2gf e3ce2dc H2Hcd2e2 c2A2A2p2"
+	s11 = parseNotes(notes, bpm, freq, rate)
+ 
+	notes = "e4c4 d4H4 c4A4 G#4p4 e4c4 d4H4 A2c2a4 g#4p4"
+	s12 = parseNotes(notes, bpm, freq, rate)
+ 
+	notes = "EeEeEeEe AaAaAaAa AbabAbabAbabAbab AaAaAAHC DdDdDdDd CcCcCcCc HhHhHhHh AaAaA2p2"
+	s21 = parseNotes(notes, bpm, freq, rate, notechars = "AXHCXDXEFXGXaXhcXdXefXgXp")
+ 
+	notes = "aeaeaeae g#dg#dg#dg#d aeaeaeae g#dg#dg#2p2 aeaeaeae g#dg#dg#dg#d aeaeaeae g#dg#dg#2p2"
+	s22 = parseNotes(notes, bpm, freq/2, rate)
+ 
+	return s11.join(s12).join(s11).volume(0.5).mix(s21.join(s22).join(s21).volume(0.3))
+ 
+if __name__ == "__main__":
+	dev = aud.Device()
+	handle = dev.play(tetris(300, 220, dev.rate))
+	while handle.status:
+		time.sleep(0.1)
+