processing app generator

processing.rb

#!/usr/bin/env ruby

require "trollop"
require "active_support/inflector"

class AppBuilder
  class << self
    def file_template( opts = {} )
<<-eos
#{"import processing.opengl.*;" if opts[:mode]=="opengl"}
#{"final static short DISPLAY_WIDTH = #{opts[:width]};" if opts[:width != 0]}
#{"final static short DISPLAY_HEIGHT = #{opts[:height]};" if opts[:height != 0]}
final static short FRAMERATE = #{opts[:fps]};
final static Boolean IS_DEBUG = true;
final static short BASE_DISPLAY_WIDTH = 1920;

color bg_color;
PFont fps_font;
float scale_factor;

public void setup() {
  TimeZone.setDefault( TimeZone.getTimeZone( "Europe/Moscow" ) );
  noStroke();
  size( #{opts[:width]==0 ? "screenWidth" : "DISPLAY_WIDTH"}, #{opts[:height]==0 ? "screenHeight" : "DISPLAY_HEIGHT"}, #{opts[:mode].upcase} );
  frameRate( FRAMERATE );
  smooth();
  bg_color = color( 0 );
  if ( IS_DEBUG )
    setupFPS();
  scale_factor = (float)screenWidth / (float)BASE_DISPLAY_WIDTH;
}

public void setupFPS() {
  //fps_font = loadFont( "DaxlinePro-Bold-24.vlw" );
}

public void draw() {
  background( bg_color );
  // place code here
  if ( IS_DEBUG )
    drawFPS();
}

public void drawFPS() {
  fill( 255 );
  //textFont( fps_font, round( 24 * scale_factor ) );
  text( ( (Integer)round( frameRate ) ).toString(), 20, 20, 36, 36 );
}
eos
    end

    def create!( opts = {} )
      app_name = ARGV[ 0 ].camelize
      if !opts[ :force ]
        print "Application named \"#{app_name}\" would be created. Continue(y/n)?\n"
        confirm = STDIN.gets
        Trollop.die( "Nothing to do. Exiting") until !confirm.match(/^y/).nil?
      end
      app_folder_name = "#{opts[:path]}/#{app_name}"
      Trollop.die( "Folder named \"#{app_folder_name}\" already exists" ) if Dir.exist?( app_folder_name )
      Dir.mkdir( app_folder_name, 0755 );
      File.open( "#{app_folder_name}/#{app_name}.pde", "w+" ) do |file|
        file.write( file_template( opts ) )
        file.close
      end
      if opts[ :git ]
        Dir.chdir( app_folder_name )
        system( "git init" )
      end
      print "Done\n"
    end
  end
end

opts = Trollop::options do
  banner "Processing app builder"
  opt :mode, "Video mode, default is opengl, available modes: opengl, p2d, p3d", :default => "opengl", :short => "-m"
  opt :fps, "Sketch rendering fps", :default => 60, :type => :int
  opt :width, "Sketch screen width, default is 0 means fill all the screen", :default => 0, :type => :int, :short => "-w"
  opt :height, "Sketch screen height, default is 0 means fill all the screen", :default => 0, :type => :int, :short => "-h"
  opt :path, "Sketch work folder, default is current", :default => Dir.pwd, :short => "-p"
  opt :force, "Skip prompt steps", :default => false, :short => "-f"
  opt :git, "Initialize git repository", :default => true, :short => "-g"
end

cmd = ARGV.shift

case cmd
  when "create", "c"
    AppBuilder.create!( opts )
  else
    Trollop::die "unknown \"#{cmd}\" command given"
  end