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iOS Monitoring distance finger travels in X or Y direction

Thread starter RPGamerL99
Start date Nov 9, 2008
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R

RPGamerL99

macrumors newbie

Original poster

Nov 9, 2008

#1

Is there an easy way for me to see how far the user drags his/her finger on the screen?

J

jnic

macrumors 6502a

Nov 11, 2008

#2

Check out the UITouch docs (https://developer.apple.com/iphone/...erence/UITouch_Class/Reference/Reference.html) and the "Touches" code sample (http://developer.apple.com/iphone/library/samplecode/Touches/).

S

SqueegyX

macrumors regular

Nov 11, 2008

#3

Basically, you save a CGPoint to an instance variable when touchesBegan, then compare that when touchesMoved

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