Class: Rubygoal::Ball

Inherits:
Object
  • Object
show all
Includes:
Moveable
Defined in:
lib/rubygoal/ball.rb

Constant Summary

Constants included from Moveable

Moveable::MIN_DISTANCE

Instance Attribute Summary

Attributes included from Moveable

#destination, #position, #rotation, #velocity

Instance Method Summary collapse

Methods included from Moveable

#distance, #move_to, #moving?, #position_after_update, #stop

Constructor Details

#initialize ⇒ Ball

Returns a new instance of Ball.



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# File 'lib/rubygoal/ball.rb', line 9

def initialize
  super
  reinitialize_position
end

Instance Method Details

#goal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubygoal/ball.rb', line 14

def goal?
  Field.goal?(position)
end

#move(direction, speed) ⇒ Object 



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# File 'lib/rubygoal/ball.rb', line 18

def move(direction, speed)
  self.velocity = Velocity.new(
    Util.offset_x(direction, speed),
    Util.offset_y(direction, speed)
  )
end

#reinitialize_position ⇒ Object 



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# File 'lib/rubygoal/ball.rb', line 25

def reinitialize_position
  self.position = Field.center_position
end

#update(elapsed_time) ⇒ Object 



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# File 'lib/rubygoal/ball.rb', line 29

def update(elapsed_time)
  super

  prevent_out_of_bounds
  decelerate(elapsed_time)
end