Module: RbSDL2::Timer

Defined in:
lib/rb_sdl2/timer.rb

Class Method Summary collapse

Class Method Details

.delay(ms) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/rb_sdl2/timer.rb', line 4

def delay(ms)
  raise ArgumentError if ms < 0
  ::SDL2.SDL_Delay(ms)
end

.performance_count ⇒ Object 



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# File 'lib/rb_sdl2/timer.rb', line 11

def performance_count = ::SDL2.SDL_GetPerformanceCounter

.performance_frequency ⇒ Object 



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# File 'lib/rb_sdl2/timer.rb', line 9

def performance_frequency = ::SDL2.SDL_GetPerformanceFrequency

.realtime ⇒ Object 



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# File 'lib/rb_sdl2/timer.rb', line 13

def realtime
  t = performance_count
  yield
  (performance_count - t).fdiv(performance_frequency)
end

.ticks ⇒ Object 



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# File 'lib/rb_sdl2/timer.rb', line 19

def ticks = ::SDL2.SDL_GetTicks