Module: Mover

Included in:
Actor
Defined in:
lib/fantasy/includes/mover.rb

Instance Method Summary collapse

Instance Method Details

#add_force(force) ⇒ Object 



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# File 'lib/fantasy/includes/mover.rb', line 8

def add_force(force)
  @acceleration ||= Coordinates.zero
  @acceleration += force
end

#apply_forces(max_speed: Float::INFINITY) ⇒ Object 



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# File 'lib/fantasy/includes/mover.rb', line 13

def apply_forces(max_speed: Float::INFINITY)
  @acceleration ||= Coordinates.zero
  @velocity ||= Coordinates.zero

  @velocity += @acceleration

  @velocity.resize(max_speed) if @velocity.length > max_speed

  unless @velocity.length.zero?
    @position += @velocity * Global.frame_time
  end

  @acceleration = Coordinates.zero
end

#impulse(direction:, force:) ⇒ Object 



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# File 'lib/fantasy/includes/mover.rb', line 4

def impulse(direction:, force:)
  add_force(direction.normalize * force)
end