Class: AMazeIng::Player

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cell_index_x, cell_index_y, color) ⇒ Player

Returns a new instance of Player.



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# File 'lib/a_maze_ing/player.rb', line 4

def initialize(cell_index_x, cell_index_y, color)
  @color = color
  @cell_index_x = cell_index_x
  @cell_index_y = cell_index_y
  @is_moving = false
  @path = nil
  set_target
  @x = @target_x
  @y = @target_y
end

Instance Attribute Details

#cell_index_x ⇒ Object

Returns the value of attribute cell_index_x.



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# File 'lib/a_maze_ing/player.rb', line 3

def cell_index_x
  @cell_index_x
end

#cell_index_y ⇒ Object

Returns the value of attribute cell_index_y.



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# File 'lib/a_maze_ing/player.rb', line 3

def cell_index_y
  @cell_index_y
end

#is_moving ⇒ Object

Returns the value of attribute is_moving.



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# File 'lib/a_maze_ing/player.rb', line 3

def is_moving
  @is_moving
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/a_maze_ing/player.rb', line 3

def path
  @path
end

#target_x ⇒ Object

Returns the value of attribute target_x.



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# File 'lib/a_maze_ing/player.rb', line 3

def target_x
  @target_x
end

#target_y ⇒ Object

Returns the value of attribute target_y.



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# File 'lib/a_maze_ing/player.rb', line 3

def target_y
  @target_y
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/a_maze_ing/player.rb', line 3

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/a_maze_ing/player.rb', line 3

def y
  @y
end

Instance Method Details

#check_for_path(ignored_path) ⇒ Object 



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# File 'lib/a_maze_ing/player.rb', line 20

def check_for_path(ignored_path)
  path = nil
  $cells[@cell_index_x + @cell_index_y * $cols].walls.each_with_index do |wall, i|
    if !wall and i != ignored_path
      if path == nil
        path = i
      else
        path = nil
        break
      end
    end
  end
  return path
end

#draw ⇒ Object 



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# File 'lib/a_maze_ing/player.rb', line 88

def draw
  draw_quad @x,                @y,                @color,
            @x + $player_size, @y,                @color,
            @x + $player_size, @y + $player_size, @color,
            @x,                @y + $player_size, @color
end

#move ⇒ Object 



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# File 'lib/a_maze_ing/player.rb', line 49

def move
  if @is_moving
    if @x == @target_x && @y == @target_y
      
      # check for available path, 
      # and ignore the the opposite directions of the LAST path 
      # cuz you don't wanna go back where you just left
      @path = check_for_path(@path == 0 ? 2:
                             @path == 1 ? 3:
                             @path == 2 ? 0: 1)
      if @path != nil
        # set new player's cell index depend on "current @path"
        set_status(@path)
        set_target
      else
        
        # no "available" path found, player stop moving
        @is_moving = false
      end
    else

      # target's position is different than curent position, 
      # move to the target
      if @x < @target_x
        @x += $speed_per_tick
      elsif @x > @target_x
        @x -= $speed_per_tick
      end

      if @y < @target_y
        @y += $speed_per_tick
      elsif @y > @target_y
        @y -= $speed_per_tick
      end

    end
  end
end

#set_status(path) ⇒ Object 



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# File 'lib/a_maze_ing/player.rb', line 35

def set_status(path)
  @path = path
  if @path == 0 
    @cell_index_y -= 1
  elsif @path == 1 
    @cell_index_x += 1
  elsif @path == 2 
    @cell_index_y += 1 
  else
    @cell_index_x -= 1
  end
  set_target
end

#set_target ⇒ Object 



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# File 'lib/a_maze_ing/player.rb', line 15

def set_target
  @target_x = (@cell_index_x * $cell_size) + $cell_size/2 - $player_size/2
  @target_y = (@cell_index_y * $cell_size) + $cell_size/2 - $player_size/2
end