Class: Core::Game::Combat::Bar

Inherits:
Object
  • Object
show all
Defined in:
lib/game/combat/bar.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y, z, w, h, scheme, max, background) ⇒ Bar

Returns a new instance of Bar.



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# File 'lib/game/combat/bar.rb', line 7

def initialize(x, y, z, w, h, scheme, max, background)
  schemes = [:health, :endurance, :timer]
  @background = background
  @x, @y, @z = x, y, z
  @w, @h = w, h
  @scheme = scheme
  @value = @max = max
  @speed = @sub = @add = 0
  @fade = 256
  @visible = true
end

Instance Attribute Details

#max ⇒ Object (readonly)

Returns the value of attribute max.



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# File 'lib/game/combat/bar.rb', line 5

def max
  @max
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/game/combat/bar.rb', line 5

def value
  @value
end

#visible ⇒ Object

Returns the value of attribute visible.



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# File 'lib/game/combat/bar.rb', line 6

def visible
  @visible
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/game/combat/bar.rb', line 6

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/game/combat/bar.rb', line 6

def y
  @y
end

#z ⇒ Object

Returns the value of attribute z.



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# File 'lib/game/combat/bar.rb', line 6

def z
  @z
end

Instance Method Details

#add(amount, speed) ⇒ Object 



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# File 'lib/game/combat/bar.rb', line 109

def add(amount, speed)
  @add = amount
  @speed = speed
end

#draw ⇒ Object 



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# File 'lib/game/combat/bar.rb', line 48

def draw
  if !@visible
    return
  end
  if @background
    cb = Gosu::Color.new(255, 0, 0, 0)
    Core.window.draw_quad(@x, @y, cb, @x+@w, @y, cb, @x+@w, @y+@h, cb, @x, @y+@h, cb, @z)
    case @scheme
    when :health
      cl = Gosu::Color.new(255, 255, 0, 0)
      cr = Gosu::Color.new(255, 0, 255, 0)
    else
      cl = Gosu::Color.new(255, 0, 0, 0)
      cr = Gosu::Color.new(255, 255, 255, 255)
    end
  else
    # TODO fluent fade
    case @scheme
    when :health
      if @value >= (@max / 4) * 3
        cl = cr = Gosu::Color.new(255, 0, 255, 0)
      elsif @value >= @max / 2
        cl = cr = Gosu::Color.new(255, 255, 255, 0)
      elsif @value >= @max / 4
        cl = cr = Gosu::Color.new(255, 255, 180, 0)
      else
        cl = cr = Gosu::Color.new(255, 255, 0, 0)
      end
    when :timer
      if @value >= (@max / 4) * 3
        cl = cr = Gosu::Color.new(255, 255, 0, 0)
      elsif @value >= @max / 2
        cl = cr = Gosu::Color.new(255, 255, 180, 0)
      elsif @value >= @max / 4
        cl = cr = Gosu::Color.new(255, 255, 255, 0)
      else
        cl = cr = Gosu::Color.new(255, 0, 255, 0)
      end
    else
      cl = cr = Gosu::Color.new(255, 255, 255, 255)
    end
  end
  if @fade <= 255
    f = @fade
    if f < 0
      f = 0
    end
    cl.alpha = f
    cr.alpha = f
  end
  if @value > 0
    w = @value / (@max / @w.to_f)
    Core.window.draw_quad(@x, @y, cl, @x+w, @y, cr, @x+w, @y+@h, cr, @x, @y+@h, cl, @z)
  end
end

#fade(speed = 15) ⇒ Object 



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# File 'lib/game/combat/bar.rb', line 43

def fade(speed=15)
  @speed = speed
  @fade = 255
end

#set(val) ⇒ Object 



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# File 'lib/game/combat/bar.rb', line 114

def set(val)
  @value = val
end

#subtract(amount, speed) ⇒ Object 



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# File 'lib/game/combat/bar.rb', line 104

def subtract(amount, speed)
  @sub = amount
  @speed = speed
end

#update ⇒ Object 



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# File 'lib/game/combat/bar.rb', line 19

def update
  if !@visible
    return
  end
  if @sub > 0
    @value -= @speed
    @sub -= @speed
  else
    @sub = 0
  end
  if @add > 0
    @value += @speed
    @add -= @speed
  else
    @add = 0
  end
  if @fade > 0 and @fade <= 255
    @fade -= @speed
  elsif @fade <= 0
    @fade = 0
    @visible = false
  end
end