I need rotate arrow with Jquery-rotate, but i dont know cursor's angle :( I try calculate it, but script not work.  I want result like this http://www.lonhosford.com/content/html5/canvas/rotate_to_mouse.html  <script type="text/javascript&...
I currently have a function which detects the direction of the mouse enter. It returns an integer (0-3) for each section as illustrated below.    I'm trying to figure out how to alter this function to produce an output based on this illustration:...
I want to get a simple solution to calculate the angle of a line (like a pointer of a clock).  I have 2 points:  cX, cY - the center of the line. eX, eY - the end of the line.  The result is angle (0 <= a < 360).   Which function is able to pro...
I would like to get an angle in terms of 360 degrees... for my game, I need to know which direction the player is heading in...     The code here gets the proper angles, but only in terms of 90 degree increments: (meaning, when I click in upper left...
I have rendered the svg circle using start and endAngle. It was worked fine. But when i render the complete circle(startAngle as 70 and endAngle as 70) the output is huge different(except the 0, 90, 180, 270). what i made wrongly for this code?...
Simple javascript angle question:  Which direction do angles go in in javascript?  Is it:     90 180    0    270   or     270 180    0    90   or something else?  I'm aware that javascript uses radians, I used degrees for illustraion....
I'm using a Reach RS+ device to capture GPS position data as well as IMU data (roll, pitch and yaw); see the "Point Collection" image on the manufacturer's website. I'm trying to determine the GPS coordinates of the bottom point (...
In javascript, I am trying to draw a line that is at an angle that is user defined.  Basically, I have a point (x,y) and an angle to create the next point at. The length of the line need to be 10px.   Let's say that the point to start with is (18...
I'm kinda confused with this one.  I have an object and I know it's velocities on axis x and y. My problem is how to determine the angle at which it's moving.  function Object(){     this.velocity = {x: 5, y:1}; }   Basically I Know that...
I have a JavaScript function which allows me to generate DOM elements and plot them on a circle with (good enough) even distribution around the circle.  The code is as follows (I'm using jQuery):  function createFields(numberOfItems, className, r...

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