Class: RubyArena::Bullet

Inherits:
Object
  • Object
show all
Includes:
Movable
Defined in:
lib/ruby_arena/bullet.rb

Constant Summary collapse

DEFAULT_SPEED = 
10
DEFAULT_ENERGY = 
10
SIZE = 
4

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Movable

#move

Constructor Details

#initialize(args) ⇒ Bullet

Returns a new instance of Bullet.



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# File 'lib/ruby_arena/bullet.rb', line 11

def initialize(args)
  @x = args.fetch(:x)
  @y = args.fetch(:y)
  @heading = args.fetch(:heading)
  @speed = args.fetch(:speed, DEFAULT_SPEED)
  @arena = args.fetch(:arena)
  @origin = args.fetch(:origin)
  @dead = false
end

Instance Attribute Details

#arena ⇒ Object (readonly)

Returns the value of attribute arena.



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# File 'lib/ruby_arena/bullet.rb', line 9

def arena
  @arena
end

#heading ⇒ Object (readonly)

Returns the value of attribute heading.



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# File 'lib/ruby_arena/bullet.rb', line 9

def heading
  @heading
end

#origin ⇒ Object (readonly)

Returns the value of attribute origin.



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# File 'lib/ruby_arena/bullet.rb', line 9

def origin
  @origin
end

#speed ⇒ Object (readonly)

Returns the value of attribute speed.



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# File 'lib/ruby_arena/bullet.rb', line 9

def speed
  @speed
end

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/ruby_arena/bullet.rb', line 9

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/ruby_arena/bullet.rb', line 9

def y
  @y
end

Instance Method Details

#dead? ⇒ Boolean

Returns:



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# File 'lib/ruby_arena/bullet.rb', line 38

def dead?
  @dead
end

#energy ⇒ Object 



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# File 'lib/ruby_arena/bullet.rb', line 34

def energy
  DEFAULT_ENERGY
end

#intersect?(object) ⇒ Boolean

Returns:



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# File 'lib/ruby_arena/bullet.rb', line 26

def intersect?(object)
  Gosu.distance(x, y, object.x, object.y) < size/2 + object.size/2
end

#size ⇒ Object 



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# File 'lib/ruby_arena/bullet.rb', line 30

def size
  SIZE
end

#update ⇒ Object 



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# File 'lib/ruby_arena/bullet.rb', line 21

def update
  move
  check_if_hit_some_robot
end