phaser/changelog/3.60/Timestep.md

Phaser 3.60.0 Change Log

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TimeStep Updates

• You can now enforce an FPS rate on your game by setting the fps: { limit: 30 } value in your game config. In this case, it will set an fps rate of 30. This forces Phaser to not run the game step more than 30 times per second (or whatever value you set) and works for both Request Animation Frame and SetTimeOut.
• TimeStep._limitRate is a new internal private property allowing the Timestep to keep track of fps-limited steps.
• TimeStep.hasFpsLimit is a new internal boolean so the Timestep knows if the step is fps rate limited, or not.
• There is now a TimeStep.step method and TimeStep.setLimitFPS method. Which one is called depends on if you have fps limited your game, or not. This switch is made internally, automatically.
• TimeStep.smoothDelta is a new method that encapsulates the delta smoothing.
• TimeStep.updateFPS is a new method that calculates the moving frame rate average.
• TimeStep.wake will now automatically reset the fps limits and internal update counters.
• TimeStep.destroy will now call RequestAnimationFrame.destroy, properly cleaning it down.
• RequestAnimationFrame.step will now no longer call requestAnimationFrame if isRunning has been set to false (via the stop method)
• The TimeStep no longer calculates or passes the interpolation value to Game.step as it was removed several versions ago, so is redundant.
• The RequestAnimationFrame.tick property has been removed as it's no longer used internally.
• The RequestAnimationFrame.lastTime property has been removed as it's no longer used internally.
• The RequestAnimationFrame class no longer calculates the tick or lastTime values and doesn't call performance.now as these values were never used internally and were not used by the receiving callback either.
• The RequestAnimationFrame.target property has been renamed to delay to better describe what it does.
• The TimeStep would always allocate 1 more entry than the deltaSmoothingMax value set in the game config. This is now clamped correctly (thanks @vzhou842)

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