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Questions tagged [uipushbehavior]

7 questions
5
votes
1 answer

Pull up and drop UIView with a change in the x position

Edit This is what I want visualised (ignore the ugly red line, it just indicates the movement of the UIView): I want to have a UIView that is initialised in the middle of the screen. After that, I want to give it a push upwards and the gravity…
J. Doe
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3
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1 answer

How to push dynamic object with same speed using UIPushBehavior?

I'm not a physics expert. However, I want to move UILable which has a dynamic height (depends on content) just like teleprompter. But when I start behaviour with magnitude 10, it starts moving but suddenly its slow down and I want continuous move…
Sunil Targe
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2
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0 answers

UIPushBehavior in swift

I want to implement a UIPushBehavior in Swift, but I 'm always getting following error: ... View item UIImageView should be a descendant of reference view in UIDynamicAnimator ... I 'm adding the view to the behavior and the behavior to the…
F. Krg
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2
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2 answers

iOS7 how to understand UIPushBehavior magnitude in UIPushBehaviorModeInstantaneous mode?

I'm looking at Apple documentation for UIPushBehavior and it confuses me in instantaneous mode. I know that the acceleration formula is Force = Mass * acceleration. I assume that mass of a view is width*height*density(1). The documentation describes…
Alex Stone
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1
vote
1 answer

Swift UIKit dynamics - Vary UIPushBehavior force magnitude by distance from center of source

Can someone suggest how I can vary the UIPushBehavior magnitude force by distance from source. To mirror the affect of the force of wind from a fan on another object. So the closer the object is to the fan the stronger the force. if…
Guitarman4
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0 answers

How can i improve the performance of my app(swift) that seams to struggle

I made an app that uses a custom UIDynamicBehavior but i have problems with performance. So the game i wrote has a circle in the middle of the screen and there are little circle dots "flying" out of the middle in random directions to the border of…
user2724677
0
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1 answer

UIViews Overlap after adding Gravity and Collision behaviour

I am trying to stack up uiviews on click of a button. I've also added Gravity & Collision behaviour using UIKit dynamics. The problem as you can see from the image (http://pho.to/7nVJI) is, the lower most green block and the block on top of that…
DesignThought
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