cgpoint

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Accessing the current position of UIView during animation

I am trying to find the current position of an iPhone ImageView that is animating across the screen. I create and animate the imageView like so[详细]

2023-04-10 05:26 分类：问答
Cocos2D: Passing a CGPoint through CCCallFuncND

What is the appropriate way to call a method with an action, and what should the method itself look like for passing a CGPoint parameter? I\'ve tried to look up examples online without much luck, so I[详细]

2023-04-09 07:37 分类：问答
Detecting Touch of a UIView in UIScrollView layer with an array of UIViews

Fo开发者_Go百科rgive me I am kinda new at this. I am trying to detect a touch like the MoveMe example -- only I have an array of UIViews (studentCell) put in to a NSMutableArray called studentCellAr[详细]

2023-04-05 17:47 分类：问答
If statement with CGPoint

I need a example of how to use CGPoint with a if statement to check the x and y coordinates like something like this[详细]

2023-03-22 20:55 分类：问答
What kind of data does apple use on GLPaint example?

Few months ago i made an app based on apple GLPaint. It worksgreat. I have recorded sets of points that draw simple drawings on the screen. and saved them as array of points (converted to NSValue).[详细]

2023-03-19 00:33 分类：问答
Y-axis opposite in iphone's view , how to adjust it like Y-axis mathematics?

I wanna shoe two point in a iphone\'s view This is my code UIImageView *center; center = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@\"point.png\"]];[详细]

2023-03-18 12:53 分类：问答
Objective C - moving an image

Im trying to move a UIImage from the top of the screen to the top. I know how to do Animations, but if i did it that way, there would be a few hundred images. I know that i can use something called CG[详细]

2023-03-18 08:02 分类：问答
How to test if a point is in a view

I have a UIImag开发者_Go百科eView and I have a CGPoint on the screen. I want to be able to test that point to see if it is in the UIImageView. What would be the best way to do this?CGPoint is no good[详细]

2023-03-16 00:21 分类：问答
Why won't my CGPoint save in a NSMutable array correctly?

So, I\'ve based my code off of the answer found at:How can I add CGPoint objects to an NSArray the easy way?[详细]

2023-03-13 08:02 分类：问答
how do i turn a cgpoint into a cgrect or how can i set a calayer's center?

i want to align my CALayer to be centered around a point that i get, but im not really that familiar with calayers, dont think they have a center property, ive had some luck with setting the whole fra[详细]

2023-03-12 08:47 分类：问答