It seems that simply removing the clip of an enemy from the stage does not remove it from the "enemies " array in the ship class. Over time the for loop in missile begins to bog down the system because of the number of enemies in the array. Does anyone know how to take a given instance of an enemy out of the array? The opposite of "push" I suppose.
Don't know if anyone has posted this yet but here is the Gosper Glider Gu:
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Is there any way to save your progress on survival mode? I am not having any trouble beating the enemies, I am having trouble finding enough continuous free time to be challenged by this mode.