View Range

#==========================================================================
#  Veiw Range Script
#--------------------------------------------------------------------------
#    By: Near Fantastica
#    Date: 25/11/04
#==========================================================================

class View_Range
#--------------------------------------------------------------------------
# ● Range system works by sereching the area of a circle for the Player's xy
#    The Veiw is set in each event and is the radius of the circle
#    The Eaquation used is (Px-EX)^2 + (Py-Ey)^2 = radius^2
#    If the Radius is less than or equal to the View the Player is inside the circle
#--------------------------------------------------------------------------
attr_accessor :event_num
attr_accessor :view_range
#--------------------------------------------------------------------------
# ● Initialization
#--------------------------------------------------------------------------
def initialize(event_num,veiw_range,els)
  @event_num = event_num
  @event_locial_switch = els
  @view_range = veiw_range
  @playerx = $game_player.x
  @playery = $game_player.y
  @eventx = $game_map.events[@event_num].x
  @eventy = $game_map.events[@event_num].y
  @event_direction = $game_map.events[@event_num].direction
end
#--------------------------------------------------------------------------
# ● Event Veiw
#--------------------------------------------------------------------------
def event_view
  @playerx-=@eventx
  @playerx*=@playerx
  @playery-=@eventy
  @playery*=@playery
  @playerx+=@playery
  @view_range*=@view_range
  if @playerx <= @view_range
    $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
    $game_map.need_refresh = true
  end
end
#--------------------------------------------------------------------------
# ● Enemies veiw
#--------------------------------------------------------------------------
def enemies_view 
  if @event_direction == 2
    if @playery >= @eventy
      @playerx-=@eventx
      @playerx*=@playerx
      @playery-=@eventy
      @playery*=@playery
      @playerx+=@playery
      @view_range*=@view_range
      if @playerx <= @view_range
        $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
        $game_system.timer = 420
        $game_system.timer_working = true
        $game_map.need_refresh = true
      end
    end
  end
  if @event_direction == 4
    if @playerx <= @eventx
      @playerx-=@eventx
      @playerx*=@playerx
      @playery-=@eventy
      @playery*=@playery
      @playerx+=@playery
      @view_range*=@view_range
      if @playerx <= @view_range
        $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
        $game_system.timer = 420
        $game_system.timer_working = true
        $game_map.need_refresh = true
      end
    end
  end
  if @event_direction == 6
    if @playerx >= @eventx
      @playerx-=@eventx
      @playerx*=@playerx
      @playery-=@eventy
      @playery*=@playery
      @playerx+=@playery
      @view_range*=@view_range
      if @playerx <= @view_range
        $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
        $game_system.timer = 420
        $game_system.timer_working = true
        $game_map.need_refresh = true
      end
    end
  end
  if @event_direction == 8
    if @playery <= @eventy
      @playerx-=@eventx
      @playerx*=@playerx
      @playery-=@eventy
      @playery*=@playery
      @playerx+=@playery
      @view_range*=@view_range
      if @playerx <= @view_range
        $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
        $game_system.timer = 420
        $game_system.timer_working = true
        $game_map.need_refresh = true
      end
    end
  end
end
#--------------------------------------------------------------------------
# ● check = View_Range.new(EventID, Veiw Range, Local Switch)
#    check.enemies_straight_view
#--------------------------------------------------------------------------
def enemies_straight_view
 # checks the x direction
 if @playerx == @eventx
  $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
  $game_map.need_refresh = true
 end
 # checks the y direction
 if @playery == @eventy
  $game_self_switches = {[$game_map.map_id, @event_num, @event_locial_switch] => true}
  $game_map.need_refresh = true
 end
end
end