Coordinates of Input.GetTouch(0).position vs Screen coordinates?

Questions & Answers
1

Is it just me or does Input.GetTouch(0).position actually work from an origin at the bottom left hand corner, but Screen coordinates seem to have an origin on the top left hand corner?

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Does Input.mousePosition give the same coordinates as Input.GetTouch(0) ?

2

indeed, you have to invert the Y value

something like that :

y = Screen.height - y