Module: Utils

Defined in:
lib/fantasy/utils.rb

Class Method Summary collapse

Class Method Details

.collision?(actor_1, actor_2) ⇒ Boolean

https://developer.mozilla.org/en-US/docs/Games/Techniques/2D_collision_detection rubocop:disable Metrics/AbcSize

Returns:

  • (Boolean) 


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# File 'lib/fantasy/utils.rb', line 6

def self.collision?(actor_1, actor_2)
  (
      actor_1.position.x < (actor_2.position.x + actor_2.width) &&
      (actor_1.position.x + actor_1.width) > actor_2.position.x &&
      actor_1.position.y < (actor_2.position.y + actor_2.height) &&
      actor_1.position.y + actor_1.height > actor_2.position.y
    )
end

.collision_at?(actor, x, y) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fantasy/utils.rb', line 17

def self.collision_at?(actor, x, y)
  (
    actor.position.x < x &&
    (actor.position.x + actor.width) > x &&
    actor.position.y < y &&
    actor.position.y + actor.height > y
  )
end

.remap(value:, from_ini:, from_end:, to_ini:, to_end:) ⇒ Object 



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# File 'lib/fantasy/utils.rb', line 26

def self.remap(value:, from_ini:, from_end:, to_ini:, to_end:)
  to_ini + (value - from_ini) * (to_end - to_ini) / (from_end - from_ini)
end