Class: SobyPlayer

Inherits:
Processing::App
  • Object
show all
Defined in:
lib/soby.rb

Constant Summary collapse

TRANSITION_DURATION = 
1000

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(screen_id) ⇒ SobyPlayer

Returns a new instance of SobyPlayer.



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# File 'lib/soby.rb', line 42

def initialize(screen_id)
  @screen_id = screen_id
  super()
end

Instance Attribute Details

#cam ⇒ Object

attr_accessor :background_max_color, :background_min_color, :background_constrain



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# File 'lib/soby.rb', line 36

def cam
  @cam
end

#current_slide_no ⇒ Object (readonly)

Returns the value of attribute current_slide_no.



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# File 'lib/soby.rb', line 31

def current_slide_no
  @current_slide_no
end

#has_thread ⇒ Object (readonly)

Returns the value of attribute has_thread.



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# File 'lib/soby.rb', line 33

def has_thread
  @has_thread
end

#is_moving ⇒ Object (readonly)

Returns the value of attribute is_moving.



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# File 'lib/soby.rb', line 31

def is_moving
  @is_moving
end

#next_cam ⇒ Object

Returns the value of attribute next_cam.



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# File 'lib/soby.rb', line 30

def next_cam
  @next_cam
end

#prev_cam ⇒ Object

Returns the value of attribute prev_cam.



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# File 'lib/soby.rb', line 30

def prev_cam
  @prev_cam
end

#prez ⇒ Object

Returns the value of attribute prez.



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# File 'lib/soby.rb', line 30

def prez
  @prez
end

#slides ⇒ Object

Returns the value of attribute slides.



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# File 'lib/soby.rb', line 30

def slides
  @slides
end

#thread ⇒ Object

Returns the value of attribute thread.



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# File 'lib/soby.rb', line 34

def thread
  @thread
end

Instance Method Details

#compute_view(view, slide_number) ⇒ Object 



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# File 'lib/soby.rb', line 280

def compute_view(view, slide_number)
  #    view = createGraphics(@width, @height, P3D)
  #    @next_view = createGraphics(@width, @height)
  view.beginDraw

  cam = slide_view slide_number
  view.g.modelview.apply(cam)
  view.shapeMode(CORNER)
  view.shape(@prez.pshape, 0, 0)
  view.endDraw

  view
end

#custom_post_draw ⇒ Object 



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# File 'lib/soby.rb', line 103

def custom_post_draw

end

#custom_pre_draw ⇒ Object 



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# File 'lib/soby.rb', line 99

def custom_pre_draw
  background(255)
end

#custom_setup ⇒ Object

To be overriden by the Presentation Code.



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# File 'lib/soby.rb', line 95

def custom_setup

end

#display_slide_number ⇒ Object Also known as: default_display_slide_number 



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# File 'lib/soby.rb', line 148

def display_slide_number
  # Slide number
  push_matrix
  translate(@width - 40, @height - 45)
  fill(30)
  strokeWeight(3)
  stroke(190)
  ellipseMode(CENTER)
  ellipse(18, 22, 35, 35)
  fill(255)
  noStroke
  textSize(20)
  if @current_slide_no < 10
    translate 2, 0
  else
    translate -3.5, 0
  end 
  text(@current_slide_no.to_s, 10, 30)
  pop_matrix
end

#draw ⇒ Object 



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# File 'lib/soby.rb', line 107

def draw
  rect 0, 0, 100, millis / 1000
  if not @custom_setup_done
    custom_setup
    @custom_setup_done = true
  end

  custom_pre_draw

  shapeMode(CORNER)
  imageMode(CORNER)

  if(running?)

    push_matrix

    update_cam
    self.g.modelview.apply(@cam)
    @prez.draw
    @prez.display_videos
    pop_matrix

    run_slide_code
    display_slide_number
  end

  custom_post_draw
end

#fileSelected(selection) ⇒ Object 



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# File 'lib/soby.rb', line 234

def fileSelected selection
end

#global_view ⇒ Object 



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# File 'lib/soby.rb', line 448

def global_view
  # ortho(left, right, bottom, top)
  # frustum(left, right, bottom, top, near, far)

  my_scale = find_scale

  # centering
  dx = ((@width / my_scale) - @prez.width) * 0.5
  dy = ((@height / my_scale) - @prez.height) * 0.5

  cam = Cam.new
  cam.scale = my_scale
  # Not necessary : display from the center...
  cam.post_translation.set(dx, dy)
  cam.compute_mat
  cam
end

#goto_slide(next_slide) ⇒ Object 



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# File 'lib/soby.rb', line 342

def goto_slide (next_slide)

  current_slide = @current_slide_no

  use_global_view =  next_slide == 0 || next_slide > @prez.slides.size

  cam = global_view if use_global_view
  cam = slide_view(next_slide)  if next_slide > 0

  # previous next is now old.
  @prev_cam = @next_cam
  @prev_cam.mat.set(@cam)
  @next_cam = cam

  @current_slide_no = next_slide

  if use_global_view
    @transition_duration = TRANSITION_DURATION.to_f
  else
    @transition_duration = @slides[@current_slide_no].transition_duration_ms
  end

  @transition_start_time = millis
  @is_moving = true
  @current_ratio = 0

  ## trigger the slide_change function (user defined)
  slide_change
end

#init ⇒ Object

no Border



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# File 'lib/soby.rb', line 49

def init
  super
  getSurface.getNative.setUndecorated true
end

#init_cameras ⇒ Object 



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# File 'lib/soby.rb', line 82

def init_cameras
  # current camera matrix
  @cam = PMatrix3D.new

  # Cameras for movement.
  @prev_cam = Cam.new
  @next_cam = Cam.new
  @is_moving = false
  @current_ratio = 0
end

#init_player ⇒ Object 



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# File 'lib/soby.rb', line 75

def init_player
  @prez = nil
  @current_slide_no = 0
  @is_running = false
  init_cameras
end

#key_pressed ⇒ Object 



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# File 'lib/soby.rb', line 176

def key_pressed

  if key == 'g'
    puts "Garbage"
    Java::JavaLang::System.gc
  end

  return if @prez == nil

  if keyCode == LEFT
    prev_slide
  end

  if keyCode == RIGHT
    next_slide
  end

  if key == 'l'
    # selectInput("Select a file to process:",
    #             "fileSelected",
    #             Java::JavaIo::File.new(SKETCH_ROOT))

    folder = Java::JavaIo::File.new(SKETCH_ROOT)
    fc = Java::javax::swing::JFileChooser.new("Soby Loader")
    fc.set_dialog_title "Select your presentation"
    fc.setFileFilter AppFilter.new
    fc.setCurrentDirectory folder
    success = fc.show_open_dialog(nil)
    if success == Java::javax::swing::JFileChooser::APPROVE_OPTION
      path = fc.get_selected_file.get_absolute_path
      puts "User selected " + path
      presentation = Soby::load_presentation path
      Soby::start_presentation presentation
    else
      puts "No file"
    end
  end

  if key == 'a'
    return if @has_thread
    puts "Thread starting"
    Soby::auto_update self
    @has_thread = true
  end
  
  if key == 'c'
    @frame_number = 1 if @frame_number == nil
    saveFrame "frame-" + @frame_number.to_s + ".png"
    @frame_number = @frame_number + 1
  end
  
  if key == 's'
    Thread::kill @thread if @has_thread
  end
  #    puts "slide #{@current_slide_no} "
end

#mouse_dragged ⇒ Object 



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# File 'lib/soby.rb', line 239

def mouse_dragged
  if not @is_moving
    tr = PMatrix3D.new
    tr.translate(mouse_x - pmouse_x, mouse_y - pmouse_y)

    @cam.preApply(tr)
    @next_cam.mat.preApply(tr)
  end
end

#mouseWheel(event) ⇒ Object 



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# File 'lib/soby.rb', line 249

def mouseWheel(event)
  e = event.getAmount()
  if not @is_moving
    tr = PMatrix3D.new
    tr.translate(mouse_x, mouse_y)
    tr.scale(e < 0 ?  1.05 :  1 / 1.05)
    tr.translate(-mouse_x, -mouse_y)
    @cam.preApply(tr)
  end
end

#next_slide ⇒ Object 



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# File 'lib/soby.rb', line 295

def next_slide
  is_last_slide = @current_slide_no >= @prez.nb_slides
  is_slide_zero = current_slide_no == 0

  # Gloal view
  if is_slide_zero
    goto_slide(@current_slide_no + 1)
    return
  end

  if @slides[@current_slide_no] == nil
    p "ERROR invalid slide"
    p "Try to go to next slide"
    goto_slide(@current_slide_no + 1) unless is_last_slide
    return
  end

  # animation
  if @slides[@current_slide_no].has_next_animation?
    puts "Animation Next "
    anim = @slides[@current_slide_no].next_animation
    anim.pshape_elem.setVisible(true)
    return
  end

  goto_slide(@current_slide_no + 1) unless is_last_slide

end

#presentation_path ⇒ Object 



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# File 'lib/soby.rb', line 169

def presentation_path
  File.dirname(@prez.url)
end

#prev_slide ⇒ Object 



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# File 'lib/soby.rb', line 324

def prev_slide
  return if @current_slide_no <= 0

  if current_slide_no == 0
    goto_slide(@current_slide_no - 1)
    return
  end

  if @slides[@current_slide_no].has_previous_animation?
    puts "Animation Previous "
    anim = @slides[@current_slide_no].previous_animation
    anim.pshape_elem.setVisible(false)
  else
    goto_slide(@current_slide_no - 1)
  end

end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/soby.rb', line 71

def ready?
  @ready
end

#run_slide_code ⇒ Object 



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# File 'lib/soby.rb', line 136

def run_slide_code
  translate 0, 0, 1
  if not @is_moving and @current_slide_no != 0
    desc = @prez.slides[@current_slide_no].description
    if(desc != nil)
      #          puts "EVAL #{desc}"
      eval desc
    end
  end
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/soby.rb', line 38

def running? () @is_running  end

#set_prez(prez) ⇒ Object 



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# File 'lib/soby.rb', line 261

def set_prez (prez)
  current_slide = @current_slide_no

  #    PShape.loadedImages.clear
  @prez = prez
  @slides = prez.slides

  goto_slide current_slide

  @is_running = true
  @prez_middle = PVector.new(@prez.width / 2.0, @prez.height / 2.0)

  puts "Presentation size "
  puts @prez.width
  puts @prez.height

  @custom_setup_done = false
end

#settings ⇒ Object 



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# File 'lib/soby.rb', line 54

def settings
  # todo: fullscreen ?
  fullScreen P3D, @screen_id
end

#setup ⇒ Object 



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# File 'lib/soby.rb', line 59

def setup
  @ready = false

  @width = self.width
  @height = self.height
  init_player

  @custom_setup_done = true
  @ready = true
  @has_thread = false
end

#slide_change ⇒ Object 



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# File 'lib/soby.rb', line 372

def slide_change

end

#slide_view(slide_no) ⇒ Object 



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# File 'lib/soby.rb', line 401

def slide_view (slide_no)

  if slide_no > @prez.slides.size
    puts "No more slides"
    return
  end

  return if @prez.slides[slide_no] == nil

  puts "slide view..." << slide_no.to_s

  # check slide number
  w = @prez.slides[slide_no].width
  h = @prez.slides[slide_no].height
  x = @prez.slides[slide_no].x
  y = @prez.slides[slide_no].y

  sc1 = @width.to_f / w.to_f
  sc2 = @height.to_f / h.to_f

  # scale
  sc = [sc1, sc2].min


  # translate
  dx = ((@width / sc) - w) * 0.5
  dy = ((@height / sc) - h) * 0.5

  cam = Cam.new

  m = PMatrix3D.new
  m.apply @prez.slides[slide_no].matrix
  m.invert

  # Scale
  tr = PMatrix3D.new
  tr.scale(sc)
  m.preApply(tr)
  m.translate(dx, dy)

  # center
  cam.mat = m
  cam

end

#update_cam ⇒ Object 



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# File 'lib/soby.rb', line 377

def update_cam

  return unless @is_moving
  return if @slides.size == 0

  elapsed_time = millis - @transition_start_time
  @current_time_ratio = elapsed_time.to_f / @transition_duration.to_f

  @current_ratio = @slides[@current_slide_no].transition @current_time_ratio unless @current_slide_no == 0

  if (@current_ratio > 1 || @current_time_ratio > 1) && @is_moving
    @is_moving = false
    @cam = @prev_cam.lerp(@next_cam, 1)

    # save a copy
    @prev_cam.mat = @cam.get
    return
  end

  #    puts @current_ratio
  @cam = @prev_cam.lerp(@next_cam, @current_ratio)

end