gistfile1

class ShellShooter < Jemini::Behavior
  POWER_FACTOR = 120.0
  
  def fire_weapon(power, angle)
    begin
      #TODO: configurable fire_from_distance to replace barrel anchor
      shell = @target.game_state.create :Shell
  #    shell_offset =  @target.barrel_anchor + Vector.new(0.0, -5.0 + @target.barrel_anchor.y)
      shell_offset =  Vector.new(0.0, -5.0 - @target.barrel_width)
      shell_position = shell_offset.pivot_around_degrees(Vector::ORIGIN, @target.physical_rotation + angle)
      shell.body_position = @target.body_position + shell_position
      shell.physical_rotation = @target.physical_rotation + angle + 90.0
      shell_vector = Vector.from_polar_vector(power * POWER_FACTOR, angle + @target.physical_rotation)
      shell.add_force shell_vector
      @target.game_state.manager(:sound).play_sound :fire_cannon
      @target.add_force shell_vector.negate
    rescue Exception => exception
      puts exception.message, exception.backtrace
    end
  end
end