class wrap sample sketch

Author: monkstone

processing_app/library/sound/sample.rb

@@ -1,51 +1,55 @@
-#
+#!/usr/bin/env jruby
+require 'propane'
+
 # This is a sound file player.
 # NB: require jruby-complete to run
 # either --nojruby flag or use config
 #
-
-load_library :sound
-include_package 'processing.sound'
-
-attr_reader :sound_file
-
-def setup
-  sketch_title 'Sample'
-  no_stroke
-  # Load a soundfile
-  @sound_file = SoundFile.new(self, data_path('vibraphon.aiff'))
-  report_settings
-  # Play the file in a loop
-  sound_file.loop
-end
-
-def draw
-  background 40, 1
-  red = map1d(mouse_x, (0..width), (30..255))
-  green = map1d(mouse_y, (height..0), (30..255))
-  fill(red, green, 0)
-  ellipse(mouse_x, mouse_y, 30, 30)
-  manipulate_sound
-end
-
-def manipulate_sound
-  # Map mouse_x from 0.25 to 4.0 for playback rate. 1 equals original playback
-  # speed 2 is an octave up 0.5 is an octave down.
-  sound_file.rate(map1d(mouse_x, (0..width), (0.25..4.0)))
-  # Map mouse_y from 0.2 to 1.0 for amplitude
-  sound_file.amp(map1d(mouse_y, (0..width), (0.2..1.0)))
-  # Map mouse_y from -1.0 to 1.0 for left to right
-  sound_file.pan(map1d(mouse_y, (0..height), (-1.0..1.0)))
-end
-
-def report_settings
-  # These methods return useful infos about the file
-  p format('SFSampleRate= %d Hz', sound_file.sample_rate)
-  p format('SFSamples= %d samples', sound_file.frames)
-  p format('SFDuration= %d seconds', sound_file.duration)
-end
-
-def settings
-  size 640, 360, P2D
+class Sample < Propane::App
+  load_library :sound
+  include_package 'processing.sound'
+
+  attr_reader :sound_file
+
+  def setup
+    sketch_title 'Sample'
+    no_stroke
+    # Load a soundfile
+    @sound_file = SoundFile.new(self, data_path('vibraphon.aiff'))
+    report_settings
+    # Play the file in a loop
+    sound_file.loop
+  end
+
+  def draw
+    background 40, 1
+    red = map1d(mouse_x, (0..width), (30..255))
+    green = map1d(mouse_y, (height..0), (30..255))
+    fill(red, green, 0)
+    ellipse(mouse_x, mouse_y, 30, 30)
+    manipulate_sound
+  end
+
+  def manipulate_sound
+    # Map mouse_x from 0.25 to 4.0 for playback rate. 1 equals original playback
+    # speed 2 is an octave up 0.5 is an octave down.
+    sound_file.rate(map1d(mouse_x, (0..width), (0.25..4.0)))
+    # Map mouse_y from 0.2 to 1.0 for amplitude
+    sound_file.amp(map1d(mouse_y, (0..width), (0.2..1.0)))
+    # Map mouse_y from -1.0 to 1.0 for left to right
+    sound_file.pan(map1d(mouse_y, (0..height), (-1.0..1.0)))
+  end
+
+  def report_settings
+    # These methods return useful infos about the file
+    p format('SFSampleRate= %d Hz', sound_file.sample_rate)
+    p format('SFSamples= %d samples', sound_file.frames)
+    p format('SFDuration= %d seconds', sound_file.duration)
+  end
+
+  def settings
+    size 640, 360, P2D
+  end
 end
 
+Sample.new