FlxTrailArea official explanation <- FlxTrailArea
FlxTrail official explanation <- FlxTrail
YouTube gameplay footage <- The video footage of the described trail movement (red afterimage)
This is relevant to FNF (Friday Night Funkin') and lua/haxeflixel coding.
var aceTrailArea = new FlxTrailArea();
<- My incomplete instantiation of an FlxTrailArea.
I'm assuming I have to set the x and y value to a variable and maybe create a function for it..?