Class: Missile

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

Direct Known Subclasses

EnemyMissile, PlayerMissile

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Missile

Returns a new instance of Missile.



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# File 'lib/missile.rb', line 8

def initialize(opts={})
  super
  activate(:seek)
  @last_distance_to_target = nil
  @target = nil
  set_image('missile-med.png', opts)
  @z = ZOrder::Missile
  #build_wireframe Shape.points[:missile]
end

Instance Method Details

#align_to(target) ⇒ Object 



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# File 'lib/missile.rb', line 23

def align_to target
  to_target = target - pos
  self.heading = to_target.normalize!
end

#collision_radius ⇒ Object 



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# File 'lib/missile.rb', line 45

def collision_radius
  @width/2
end

#draw ⇒ Object 



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# File 'lib/missile.rb', line 37

def draw
  super
  color = @color.dup
  color.saturation = color.value = 0.3
  #$lotu.draw_line(@pos.x, @pos.y, color, @target.x, @target.y, color) if @target
  $lotu.draw_line(@pos.x, @pos.y, color, @init_x, @init_y, color) if @target
end

#save_init_pos ⇒ Object 



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

def save_init_pos
  @init_x = x
  @init_y = y
end

#update ⇒ Object 



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# File 'lib/missile.rb', line 28

def update
  @last_distance_to_target = distance_to_target if @target
  super
  # If missile goes past target or is 10 pixels away from it, just die
  if @target && (distance_to_target < 10 || !facing_target?)
    die
  end
end