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c# Programming Glossary: radiansWhen should I define a (explicit or implicit) conversion operator in C#? http://stackoverflow.com/questions/12126907/when-should-i-define-a-explicit-or-implicit-conversion-operator-in-c Here's a summary of the examples provided in the answers Radians Degrees double Polar Point2D Kelvin Farenheit Celsius The pattern.. up double values especially between APIs. I pulled out the Radians and Degrees classes we're currently using and here they are... actually used tested all the functionality we wrote in. Radians summary Defines an angle in Radians summary public struct Radians..
Calculate distance of two geo points in km c# http://stackoverflow.com/questions/6544286/calculate-distance-of-two-geo-points-in-km-c-sharp const double RADIO 6378.16 summary Convert degrees to Radians summary param name x Degrees param returns The equivalent in.. The equivalent in radians returns public static double Radians double x return x PIx 180 summary Calculate the distance between.. lat1 double lon2 double lat2 double R 6371 km double dLat Radians lat2 lat1 double dLon Radians lon2 lon1 lat1 Radians lat1 lat2..
When should I define a (explicit or implicit) conversion operator in C#? http://stackoverflow.com/questions/12126907/when-should-i-define-a-explicit-or-implicit-conversion-operator-in-c Constructor summary param name value angle value in radians param public Radians double value this.Value value summary.. might decide to strictly stick with degrees or radians to avoid mixups at least with these classes you can use the.. public static void PrintRotation Degrees degrees Radians radians Console.WriteLine String.Format Degrees 0 Radians 1 degrees.Value..
Fast Sin/Cos using a pre computed translation array http://stackoverflow.com/questions/2088194/fast-sin-cos-using-a-pre-computed-translation-array i Math.Cos Angle The Value is a double in radians. Value PI2 In case that the angle is larger than 2pi if Value.. that the angle is negative int index int Value FACTOR from radians to index and casted in to an int double sineValue _SineDoubleTable..
Calculate endpoint given distance, bearing, starting point http://stackoverflow.com/questions/3225803/calculate-endpoint-given-distance-bearing-starting-point long1 double lat2 double long2 Convert input values to radians lat1 DegreeToRadian lat1 long1 DegreeToRadian long1 lat2 DegreeToRadian.. public static double RadiansToDegrees double radians const double radToDegFactor 180 Math.PI return radians radToDegFactor..
http://stackoverflow.com/questions/472428/rotate-image-math-c point B aligns with it calculating the rotation angle in radians would go like this double angle Math.Atan2 pointB.Y pointA.Y..
Rotation Matrix given angle and point in X,Y,Z http://stackoverflow.com/questions/5188876/rotation-matrix-given-angle-and-point-in-x-y-z I will be good from there. The Angle is in degrees not radians and the x y z are all going to be from 1 to 1 floats EDIT Ok.. float ang angD float Math.PI 180 from degrees to radians if needed U n n t cos a I n n t sin a N x . var u MatrixDouble.Identity..
http://stackoverflow.com/questions/605124/fixed-point-math-in-c varying speeds I'm calculating the angle between points in radians then getting the x and y components of movement with sin and..
Mysql Haversine Procedure (radius)using a center point http://stackoverflow.com/questions/6352089/mysql-haversine-procedure-radiususing-a-center-point a central lat lon SELECT state city zipcode 3959 acos cos radians 37 cos radians x location cos radians y location radians 122.. lon SELECT state city zipcode 3959 acos cos radians 37 cos radians x location cos radians y location radians 122 sin radians 37.. 3959 acos cos radians 37 cos radians x location cos radians y location radians 122 sin radians 37 sin radians x location..
Calculate distance of two geo points in km c# http://stackoverflow.com/questions/6544286/calculate-distance-of-two-geo-points-in-km-c-sharp param name x Degrees param returns The equivalent in radians returns public static double Radians double x return x PIx..
Basic render 3D perspective projection onto 2D screen with camera (without opengl) http://stackoverflow.com/questions/8633034/basic-render-3d-perspective-projection-onto-2d-screen-with-camera-without-openg m 13 0 m 14 qn m 15 0 Variables are fov Field of view pi 4 radians is a good value. aspect Ratio of height to width. znear zfar..
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