https://www.scirra.com/tutorials/560/swipe-based-smooth-scrolling-with-inertia
hy, I learn how to scroll using this tutorial (link), but i don't know what should i do or change if i scroll from the opposite...anyone can help this? for example, in that tutorial, if i touch the screen and scroll from up to down, then screen will go down right?...but what i want is the opposite which is I want scroll from down to up, not from up to down...
sorry for bad explanation or bad english...
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Change
lerp(self.X,self.X+self.DiffX,0.35) to lerp(self.X,self.X-self.DiffX,0.35)
lerp(self.Y,self.Y+self.DiffY,0.35) to lerp(self.Y,self.Y-self.DiffY,0.35)
Be aware that the logic in this tutorial will scroll faster on a faster device.