Module: AuthorEngine::TouchHandler

Included in:
GameRunner
Defined in:
lib/author_engine/game/opal/touch_handler.rb

Defined Under Namespace

Classes: Touch

Instance Method Summary collapse

Instance Method Details

#copy_touch(touch) ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 8

def copy_touch(touch)
  Touch.new(`touch.pageX`, `touch.pageY`, `touch.pageX`, `touch.pageY`)
end

#handle_touch_cancel(event) ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 51

def handle_touch_cancel(event)
  handle_touch_end(event)
end

#handle_touch_end(event) ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 55

def handle_touch_end(event)
  `#{event}.preventDefault()`

  touches = `#{event}.changedTouches`
  `for (var i = 0; i < #{touches}.length; i++) {
    #{@current_touches.delete(`touches[i].identifier`)}
  }`

  return nil
end

#handle_touch_move(event) ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 40

def handle_touch_move(event)
  `#{event}.preventDefault()`

  touches = `#{event}.changedTouches`
  `for (var i = 0; i < #{touches}.length; i++) {
    #{set_touch(`touches[i]`)}
  }`

  return nil
end

#handle_touch_start(event) ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 21

def handle_touch_start(event)
  `#{event}.preventDefault()`

  touches = `#{event}.changedTouches`
  `for (var i = 0; i < #{touches}.length; i++) {
    #{@current_touches[`touches[i].identifier`] = copy_touch(`touches[i]`)}
  }`

  if @fullscreen_button && @fullscreen_button.trigger?(@current_touches)
    `if (document.fullscreenElement == null && #{@game.authorengine_canvas}.requestFullscreen) {
      #{game.authorengine_canvas}.requestFullscreen()
    } else if(document.fullscreenElement != null && document.exitFullscreen) {
      document.exitFullscreen()
    } `
  end

  return nil
end

#set_touch(touch) ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 12

def set_touch(touch)
  struct = @current_touches[`#{touch}.identifier`]

  struct.x = `#{touch}.pageX`
  struct.y = `#{touch}.pageY`

  return nil
end

#touch_handler_setup ⇒ Object 



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# File 'lib/author_engine/game/opal/touch_handler.rb', line 4

def touch_handler_setup
  @current_touches = {}
end