Class: Carbuncle::AnimatedSprite

Inherits:
Object
  • Object
show all
Defined in:
gems/carbuncle-graphics/mrblib/animated_sprite.rb

Overview

This class is an extension of a Sprite. Represents an Sprite, but instead of being manually handled, you just select the rows and columns. It also handles animations by name

Defined Under Namespace

Classes: Animation, AnimationSet

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(texture = nil) ⇒ AnimatedSprite

Returns a new instance of AnimatedSprite.



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 79

def initialize(texture = nil)
  @sprite = Carbuncle::Sprite.new(texture)
  self.rows = 1
  self.columns = 1
  @frame = Carbuncle::Point.new
  @animations = Carbuncle::AnimatedSprite::AnimationSet.new
end

Instance Attribute Details

#animations ⇒ Object (readonly)

Returns the value of attribute animations.



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 77

def animations
  @animations
end

#columns ⇒ Object

Returns the value of attribute columns.



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 75

def columns
  @columns
end

#rows ⇒ Object

Returns the value of attribute rows.



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 74

def rows
  @rows
end

#sprite ⇒ Object (readonly)

Returns the value of attribute sprite.



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 76

def sprite
  @sprite
end

Instance Method Details

#draw ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 109

def draw
  @sprite.draw
end

#height ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 134

def height
  @frame_height
end

#texture=(value) ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 138

def texture=(value)
  @sprite.texture = value
  @frame_width = texture.present? ? texture.width / rows : 1
  @frame_height = texture.present? ? texture.height / columns : 1
end

#update(dt) ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 103

def update(dt)
  @sprite.update(dt)
  update_animation(dt)
  update_rect
end

#update_animation(dt) ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 113

def update_animation(dt)
  animations.update(dt)

  @frame = animations.frame
end

#update_rect ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 119

def update_rect
  return unless texture.present?

  @sprite.src_rect.set(
    @frame.x * @frame_width,
    @frame.y * @frame_height,
    @frame_width,
    @frame_height
  )
end

#width ⇒ Object 



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# File 'gems/carbuncle-graphics/mrblib/animated_sprite.rb', line 130

def width
  @frame_width
end