Lerp Bias http://blog.demofox.org/2012/09/24/bias-and-gain-are-your-friend/ http://demofox.org/biasgain.html LerpBias was a script in the original Game Maker source code and has been copied across as is, including the comments referencing sources above.

Lerp Gain http://blog.demofox.org/2012/09/24/bias-and-gain-are-your-friend/ http://demofox.org/biasgain.html LerpGain was a script in the original Game Maker source code and has been copied across as is, including the comments referencing sources above.

DesignedMaxTPS states that game logic is designed to simulate at 1/60 of a second ie.

Taken from game logic: (sprite_get_width(sprite_index) >> 1) + (sprite_get_width(sprite_index) >> 2);.

used in original game.