angle

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how to get UIView 's angle after CGAffineTransform?

i have been do moreCGAffineTransform. how to get current Uiview\'sangle? i want to d开发者_Python百科o something when angle==[M_PI/2 ~ M_PI]?CGFloat radians = atan2f(self.view.transform.b, self.view[详细]

2023-01-31 18:34 分类：问答
How do I find the angle between the center of the earth and two latitude-longitude coordinates

I\'ve got two LatLon (latitude-longitude) objects which represent two locations on the surface of the globe. I want to find the angle (in radians) between the center of the earth and these two LatLon[详细]

2023-01-29 08:27 分类：问答
How to get consistent gradient fill in GDI+ when using a rotated LinearGradientBrush?

I\'m using GDI+ in my application, and I need to use a rotated LinearGradientBrush to paint several rects in the exact same way.However, although I\'m calling the same code to fill each rect, the resu[详细]

2023-01-25 17:03 分类：问答
Calculating angular rate

I\'m simulating a physical object, using a mass spring system. By means of deltas and cross products, I can easily calulate the up, forward an开发者_运维技巧d side vectors.[详细]

2023-01-22 08:51 分类：问答
How does this code work?

I found this piece of C++ code on a forum that I can\'t fully understand. Since I don\'t have their library that performs matrix/vector math, I need to manually figure it out and replicate the functio[详细]

2023-01-21 14:18 分类：问答
iOS SDK CGAffineTransform Angle Question

I need to get angle in radians.I have: CGFloat angle = asin(myImage.transform.b); This seems to be not working.I need to extract the angl开发者_开发问答e of \'myImage\' at any moment in time.How wou[详细]

2023-01-21 09:39 分类：问答
c++ calculate all the angles between two angles [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-01-18 16:30 分类：问答
Angle between 2 GPS Coordinates

I\'m working in another iPhone App that uses AR, and I\'m creating my own framework, but I\'m having trouble trying to get the angle of a second coordinate relative to the current device position, any[详细]

2023-01-17 16:21 分类：问答
How to make CSS - angles-image + background? And height - 100% or auto?

I have already made CSS a lot of times, but did not work and a lot of glitches ... I will show picture - glitch:[详细]

2023-01-15 12:40 分类：问答
Calculate correct sprite direction image in bird's view game? (Math here might be speed vector to degrees angle?)

Background: I have 8 images for every sprite in my bird\'s view JavaScript game, representing top, top-right, right, right-bottom etc., depending on the player\'s space ship speed.[详细]

2023-01-15 09:55 分类：问答