Class: AGL::Sprite

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

Direct Known Subclasses

Effect, GameObject

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y, img, sprite_cols = nil, sprite_rows = nil) ⇒ Sprite

Returns a new instance of Sprite.



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# File 'lib/minigl/game_object.rb', line 8

def initialize x, y, img, sprite_cols = nil, sprite_rows = nil
  @x = x; @y = y
  @img =
    if sprite_cols.nil?
      [Res.img(img)]
    else
      Res.imgs img, sprite_cols, sprite_rows
    end
  @anim_counter = 0
  @img_index = 0
  @index_index = 0
end

Instance Attribute Details

#img_index ⇒ Object (readonly)

Returns the value of attribute img_index.



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# File 'lib/minigl/game_object.rb', line 5

def img_index
  @img_index
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/minigl/game_object.rb', line 6

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/minigl/game_object.rb', line 6

def y
  @y
end

Instance Method Details

#animate(indices, interval) ⇒ Object 



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# File 'lib/minigl/game_object.rb', line 21

def animate indices, interval
  @anim_counter += 1
  if @anim_counter >= interval
    @index_index += 1
    @index_index = 0 if @index_index == indices.length
    @img_index = indices[@index_index]
    @anim_counter = 0
  end
end

#draw(map = nil, scale_x = 1, scale_y = 1, alpha = 0xff, color = 0xffffff, angle = nil) ⇒ Object 



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# File 'lib/minigl/game_object.rb', line 31

def draw map = nil, scale_x = 1, scale_y = 1, alpha = 0xff, color = 0xffffff, angle = nil
  color = (alpha << 24) | color
  if map
    if angle
      @img[@img_index].draw_rot @x.round - map.cam.x, @y.round - map.cam.y, 0, angle, 0.5, 0.5, scale_x, scale_y, color
    else
      @img[@img_index].draw @x.round - map.cam.x, @y.round - map.cam.y, 0, scale_x, scale_y, color
    end
  elsif angle
    @img[@img_index].draw_rot @x.round, @y.round, 0, angle, 0.5, 0.5, scale_x, scale_y, color
  else
    @img[@img_index].draw @x.round, @y.round, 0, scale_x, scale_y, color
  end
end