I have two convex hulls and I wa开发者_运维百科s just wondering if anyone knows of any good algorithms or resources/ has any ideas on how to compare the position of one convex hull to another?
I am creating a driver for a custom piece of input hardware that will attempt to pass data to the kernel as an input, which the kernel will then pass up through the OS and expose to the app level via
I am working on a program which simulates objects moving in a field. The field has a boundary of 1024x1024. The object cannot go below 0 in terms of x,y coordinate and it cannot go above 1024. I have
Before I reinvent the wheel I wanted to see if anyone can share code or tips for the following: In order to get relative position of the iPhone, one needs to
Is there a formula to convert a quaternion to an angle? Looking to do something on the iPhone using the Core Motion A开发者_运维技巧PI and the gyro so that based on data I receive from it (in the for
i have a mathematical problem: i have a function where the only parameter is the current time. the return should be a position which is used to place an object on a certain place.
I would like to detect when the phone is in motion, but not all kind of motion.开发者_StackOverflow For example picking up or waving the phone should not trigger.
I have my \'shake\' working fine (using motionEnded), based off of Apple\'s GLPaint code. When the user shakes the device (running 3.0 and up) I want to open a view controller modally using presentMod
i have to create a movie where a text string move in horizontal. the problem is that in the movie (800px wide) the text should go from right to left in about 7 seconds (so it have to go about 400px t
I want to move something a set distance. However in my 开发者_如何学编程system there is inertia/drag/negative accelaration. I\'m using a simple calculation like this for it:
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