Handle no-fix, simple location behaviour

world-o-techno.rb

@@ -1,79 +1,165 @@
-# Welcome to Sonic Pi v2.6
-# Acid
-# Coded by Sam Aaron
-# Hacked around by RJS & JHR
-# This file should be in /home/pi/world-o-techno so the startup script can find it
-
-# GPS ruby code derived from https://github.com/ndarilek/rb-gps
-#
 require '/home/pi/world-o-techno/gps/gps.rb'
+use_debug true
 
 gps = Gps::Receiver.create('gpsd',:host => 'localhost', :port => 2947)
 
 gps.start
 
+define :gpsSatelliteCount do
+  s = 0;
+  if gps != nil && gps.satellites != nil &&  gps.satellites != 0
+    s = gps.satellites.count
+  end
+  print "Satellites: #{s}"
+  return s;
+end
+
+define :gotFix do
+  g = false;
+
+  print gps
+
+  if gps != nil 
+    g = gps.latitude != nil
+  end
+
+  return g
+end
+
+define :lat do
+  l = 0.0
+  if gps != nil && gps.latitude != nil
+    l = gps.latitude
+  end
+  return l
+end
+
+
+define :lon do
+  l = 0.0
+  if gps != nil && gps.longitude != nil
+    l = gps.longitude
+  end
+  return l
+end
+
+
+define :speed do
+  l = 0.0
+  if gps != nil && gps.speed != nil
+    l = gps.speed
+  end
+  return l
+end
+
 sleep 2
-
-puts gps.latitude
-
-
-
-use_debug false
 load_sample :bd_fat
+load_sample :bd_boom
+load_sample :bd_haus
 
-8.times do
+define :playSatelliteCount do
-  sample :bd_fat, amp: (line 0, 5, steps: 8).tick
+  
-  sleep 0.5
+    i = 0
+    print "loop"
+    4.times do
+      c = gpsSatelliteCount()
+      if i == 0
+        sample :bd_boom, amp:10
+      else
+        if i <= c
+          sample :bd_fat, amp: 6
+        else
+          sample :bd_haus, amp: 1
+        end
       end
 
-live_loop :drums do
-  sample :bd_fat, amp: 5
       sleep 0.5
+      i = i+1
     end
 
-live_loop :acid do
+end
+
+define :playTune do
   cue :foo
   4.times do |i|
-    long = (gps.longitude.abs * 10**9) % 100
+    long = (lon().abs * 10**9) % 100
     use_random_seed long
-    16.times do
+    4.times do
+      sample :bd_fat, amp: 5
+      4.times do
         use_synth :tb303
         play chord(:e5, :minor).choose, attack: 0, release: 0.1, cutoff: rrand_i(50, 90) + i * 10
         sleep 0.125
       end
     end
+  end
+
+  if ! gotFix()
+    return
+  end
 
   cue :bar
   use_synth :tb303
-  32.times do |i|
+  8.times do |i|
-    gspeed = gps.speed.modulo(1)
+    sample :bd_fat, amp: 5
+    4.times do
+      gspeed = speed().modulo(1)
       puts gspeed
       play chord(:b4, :minor).choose, attack: 0, release: 0.05, cutoff: rrand_i(70, 98) + i, res: gspeed
       sleep 0.125
     end
+  end
+
+  if ! gotFix()
+    return
+  end
 
   cue :baz
   with_fx :reverb, mix: 0.3 do |r|
-    32.times do |m|
+    8.times do |m|
+      sample :bd_fat, amp: 5
+      4.times do
         control r, mix: 0.3 + (0.5 * (m.to_f / 32.0)) unless m == 0 if m % 8 == 0
         use_synth :prophet
         play chord(:e6, :minor).choose, attack: 0, release: 0.08, cutoff: rrand_i(110, 130)
         sleep 0.125
       end
     end
+  end
+
+  if ! gotFix()
+    return
+  end
 
   cue :quux
   in_thread do
     use_random_seed 668
-    slat = (gps.latitude.abs * 10**7).modulo(1)
+    slat = (lat().abs * 10**7).modulo(1) + 0.1
     with_fx :slicer, mix: 0.75, wave: 3, phase: slat do
-      16.times do
+      4.times do
+        sample :bd_fat, amp: 5
+        4.times do
           use_synth :tb303
           play chord(:d3, :major).choose, attack: 0, release: 0.1, cutoff: rrand(50, 100)
           sleep 0.25
         end
       end
     end
+  end
+
+  if ! gotFix()
+    return
+  end
  
     sleep 4
   end
+ 
+
+
+loop do
+  if gotFix() 
+    playTune()
+  else
+    playSatelliteCount()
+  end
+end