From cbc21e52be07b6a4b81996243683ae644820a2cc Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@pimoroni.com>
Date: Tue, 28 Feb 2023 08:48:15 +0000
Subject: [PATCH] Galactic/Cosmic Unicorn: Add sound to 80s computer.

---
 .../numpy/eighties_super_computer.py          | 35 ++++++++++++++++---
 .../numpy/eighties_super_computer.py          | 35 ++++++++++++++++---
 2 files changed, 62 insertions(+), 8 deletions(-)

diff --git a/micropython/examples/cosmic_unicorn/numpy/eighties_super_computer.py b/micropython/examples/cosmic_unicorn/numpy/eighties_super_computer.py
index 5a1573d0..7b0b4a2d 100644
--- a/micropython/examples/cosmic_unicorn/numpy/eighties_super_computer.py
+++ b/micropython/examples/cosmic_unicorn/numpy/eighties_super_computer.py
@@ -1,7 +1,7 @@
 import gc
 import time
 import random
-from cosmic import CosmicUnicorn
+from cosmic import CosmicUnicorn, Channel
 from picographics import PicoGraphics, DISPLAY_COSMIC_UNICORN, PEN_P8
 from ulab import numpy
 
@@ -13,14 +13,27 @@ Experiment with the damping, number of spawns and intensity to change the effect
 # MAXIMUM OVERKILL
 # machine.freq(250_000_000)
 
+DAMPING_FACTOR = 0.95
+NUMBER_OF_LIGHTS = 10
+INTENSITY = 20
+
+volume = 0.5
+
 cu = CosmicUnicorn()
 cu.set_brightness(0.5)
 graphics = PicoGraphics(DISPLAY_COSMIC_UNICORN, pen_type=PEN_P8)
 
+boopety_beepety = cu.synth_channel(0)
+boopety_beepety.configure(
+    waveforms=Channel.SQUARE | Channel.SINE,
+    attack=0.1,
+    decay=0.1,
+    sustain=0.0,
+    release=0.5,
+    volume=volume
+)
 
-DAMPING_FACTOR = 0.95
-NUMBER_OF_LIGHTS = 10
-INTENSITY = 20
+cu.play_synth()
 
 # Fill palette with a yellow
 r, g, b = (230, 150, 0)
@@ -60,12 +73,26 @@ while True:
     if cu.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_DOWN):
         cu.adjust_brightness(-0.01)
 
+    if cu.is_pressed(CosmicUnicorn.SWITCH_VOLUME_DOWN):
+        volume -= 0.1
+        volume = max(0.0, volume)
+        boopety_beepety.volume(volume)
+
+    if cu.is_pressed(CosmicUnicorn.SWITCH_VOLUME_UP):
+        volume += 0.1
+        volume = min(1.0, volume)
+        boopety_beepety.volume(volume)
+
     tstart = time.ticks_ms()
     gc.collect()
     update()
     draw()
     tfinish = time.ticks_ms()
 
+    # Play random notes between 100 and 880Hz for a computery effect
+    boopety_beepety.frequency(random.randint(100, 880))
+    boopety_beepety.trigger_attack()
+
     total = tfinish - tstart
     t_total += total
     t_count += 1
diff --git a/micropython/examples/galactic_unicorn/numpy/eighties_super_computer.py b/micropython/examples/galactic_unicorn/numpy/eighties_super_computer.py
index 65c06433..0f6787ef 100644
--- a/micropython/examples/galactic_unicorn/numpy/eighties_super_computer.py
+++ b/micropython/examples/galactic_unicorn/numpy/eighties_super_computer.py
@@ -1,7 +1,7 @@
 import gc
 import time
 import random
-from galactic import GalacticUnicorn
+from galactic import GalacticUnicorn, Channel
 from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN, PEN_P8
 from ulab import numpy
 
@@ -13,14 +13,27 @@ Experiment with the damping, number of spawns and intensity to change the effect
 # MAXIMUM OVERKILL
 # machine.freq(250_000_000)
 
+DAMPING_FACTOR = 0.95
+NUMBER_OF_LIGHTS = 10
+INTENSITY = 20
+
 gu = GalacticUnicorn()
 gu.set_brightness(0.5)
 graphics = PicoGraphics(DISPLAY_GALACTIC_UNICORN, pen_type=PEN_P8)
 
+volume = 0.5
 
-DAMPING_FACTOR = 0.95
-NUMBER_OF_LIGHTS = 10
-INTENSITY = 20
+boopety_beepety = gu.synth_channel(0)
+boopety_beepety.configure(
+    waveforms=Channel.SQUARE | Channel.SINE,
+    attack=0.1,
+    decay=0.1,
+    sustain=0.0,
+    release=0.5,
+    volume=volume
+)
+
+gu.play_synth()
 
 # Fill palette with a yellow
 r, g, b = (230, 150, 0)
@@ -60,12 +73,26 @@ while True:
     if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
         gu.adjust_brightness(-0.01)
 
+    if gu.is_pressed(GalacticUnicorn.SWITCH_VOLUME_DOWN):
+        volume -= 0.1
+        volume = max(0.0, volume)
+        boopety_beepety.volume(volume)
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_VOLUME_UP):
+        volume += 0.1
+        volume = min(1.0, volume)
+        boopety_beepety.volume(volume)
+
     tstart = time.ticks_ms()
     gc.collect()
     update()
     draw()
     tfinish = time.ticks_ms()
 
+    # Play random notes between 100 and 880Hz for a computery effect
+    boopety_beepety.frequency(random.randint(100, 880))
+    boopety_beepety.trigger_attack()
+
     total = tfinish - tstart
     t_total += total
     t_count += 1