math_helper library

Functions

adjustModRotation(double rotation) → double

Adjusts the rotation angle to be within the range of 0 to 2π.

convert2DPointToSphereCoordinates(Offset hoverOffset, Offset sphereCenter, double radius, double rotationY, double rotationZ) → GlobeCoordinates?

Converts the 2D offset to spherical coordinates.

degreesToRadians(double degrees) → double

Converts degrees to radians.

getRectOnSphere(Vector3 cartesian3D, Offset cartesian2D, Offset center, double radius, double zoomFactor, double pointSize) → Rect

Calculates the rectangle on the sphere corresponding to a 3D point and its 2D position on the screen.

getScaleFactor(Offset point, Offset center, double radius, bool isXAxis, double zCoord, double zoomFactor) → double

Calculates the scale factor for a point on the sphere.

getSpherePosition3D(GlobeCoordinates coordinates, double radius, double rotationY, double rotationZ) → Vector3

Calculates the 3D position of a point on a sphere.

radiansToDegrees(double radians) → double

Converts radians to degrees.