Class: Sprite

Inherits:
Object
  • Object
show all
Defined in:
lib/misc/sprite.rb

Overview

class Sprite

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(symbol, repeat = false, frame_delay = 400, lifecycle = false) ⇒ Sprite

Returns a new instance of Sprite.



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# File 'lib/misc/sprite.rb', line 14

def initialize(symbol, repeat = false, frame_delay = 400, lifecycle = false)
  @frame_delay = frame_delay
  @animation = $window.mediamanager.get_sprites(symbol)
  @animate = @animation.kind_of?(Array)
  @current_frame = 0
  @repeat = repeat
  @lifecycle = lifecycle
  @pause = false
end

Instance Attribute Details

#done=(value) ⇒ Object (writeonly)

Sets the attribute done

Parameters:

  • value —

    the value to set the attribute done to.



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# File 'lib/misc/sprite.rb', line 10

def done=(value)
  @done = value
end

#pause=(value) ⇒ Object (writeonly)

Sets the attribute pause

Parameters:

  • value —

    the value to set the attribute pause to.



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# File 'lib/misc/sprite.rb', line 12

def pause=(value)
  @pause = value
end

#repeat=(value) ⇒ Object (writeonly)

Sets the attribute repeat

Parameters:

  • value —

    the value to set the attribute repeat to.



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# File 'lib/misc/sprite.rb', line 11

def repeat=(value)
  @repeat = value
end

Instance Method Details

#done? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/misc/sprite.rb', line 36

def done?
  return false if !@animate || @repeat
  @done ||= @current_frame == @animation.size - 1 if @lifecycle
end

#draw(x, y, layout) ⇒ Object 



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# File 'lib/misc/sprite.rb', line 30

def draw(x, y, layout)
  return if done?
  image = current_frame
  image.draw(x, y, layout, 1, 1)
end

#update ⇒ Object 



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# File 'lib/misc/sprite.rb', line 24

def update
  return unless @animate
  return if @pause
  @current_frame = (@current_frame + 1) % @animation.size if frame_expired?
end