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package cgeo.geocaching.utils;
public class AngleUtils {
private AngleUtils() {
// Do not instantiate
}
/**
* Return the angle to turn of to go from an angle to the other
*
* @param from the origin angle in degrees
* @param to the target angle in degreees
* @return a value in degrees, in the [-180, 180[ range
*/
public static float difference(final float from, final float to) {
return normalize(to - from + 180) - 180;
}
/**
* Normalize an angle so that it belongs to the [0, 360[ range.
* @param angle the angle in degrees
* @return the same angle in the [0, 360[ range
*/
public static float normalize(final float angle) {
return (angle >= 0 ? angle : (360 - ((-angle) % 360))) % 360;
}
}
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