Class: GGLib::Animation

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

Direct Known Subclasses

MapImage

Constant Summary collapse

@@animations = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, src, speed, width, height, loop = true) ⇒ Animation

Returns a new instance of Animation.



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# File 'lib/image.rb', line 6

def initialize(name,src,speed,width,height,loop=true)
  @animObj=Gosu::Image::load_tiles($window,src,width,height,false)
  @src=src
  @name=name
  @width=width
  @height=height
  @speed=speed
  @loop=loop
  @started=false
  @done=false
  @@animations[@name]=self
end

Instance Attribute Details

#animObj ⇒ Object (readonly)

Returns the value of attribute animObj.



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# File 'lib/image.rb', line 5

def animObj
  @animObj
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/image.rb', line 5

def height
  @height
end

#loop ⇒ Object (readonly)

Returns the value of attribute loop.



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# File 'lib/image.rb', line 5

def loop
  @loop
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/image.rb', line 5

def name
  @name
end

#speed ⇒ Object (readonly)

Returns the value of attribute speed.



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# File 'lib/image.rb', line 5

def speed
  @speed
end

#src ⇒ Object (readonly)

Returns the value of attribute src.



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# File 'lib/image.rb', line 5

def src
  @src
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/image.rb', line 5

def width
  @width
end

Class Method Details

.deleteAllAnimations ⇒ Object 



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# File 'lib/image.rb', line 74

def Animation.deleteAllAnimations
  @@animations={}
end

.get(at) ⇒ Object 



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# File 'lib/image.rb', line 21

def Animation.get(at)
  if @@animations[at] !=nil
    return @@animations[at]
  else
    puts caller
    STDIN.gets
    raise "Animation resource '#{at}' does not exist."
  end
end

Instance Method Details

#data ⇒ Object 



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

def data
  return @animObj
end

#del ⇒ Object 



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# File 'lib/image.rb', line 18

def del
  @@animations.delete_at(@name)
end

#done ⇒ Object 



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

def done
  return true if @loop and (Gosu::milliseconds / @speed % @animObj.size)==@animObj.size-1
  return false if @loop
  return nil
end

#draw(x, y, z) ⇒ Object 



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

def draw(x,y,z)
  if @loop
    @animObj[(Gosu::milliseconds / @speed % @animObj.size)].draw(x,y,z)  #looping mode
    return true #signifies that the animation is still playing
  else  
    if not @started
      start=(Gosu::milliseconds / @speed % @animObj.size)
      @started=true
      @map=[]
      i=0
      start.upto(@animObj.size-1) { |index|
        @map[index]=i
        i+=1
      }
      if start-1>=0
        0.upto(start-1) { |index|
          @map[index]=i
          i+=1
        }
      end
    end
    index=@map[(Gosu::milliseconds / @speed % @animObj.size)]
    if not @done and index < @animObj.size - 1 #single play mode
      @animObj[index].draw(x,y,z)
      return true #singifies that the animation is still playing
    else
      @done=true
      @animObj[@animObj.size - 1].draw(x,y,z)
      return false #signifies that the animation is done. The last frame will be played continueuosly. The caller can take further action 
    end
  end
end

#restart ⇒ Object 



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

def restart
  @started=false
  @done=false
end