/**
* This method checks if two Joints have z-coordinates within a given tolerance
*
* @param origin
* @param measured
* @param tolerance
* @return True if the z-coordinates are within tolerance
*/
public boolean InSameZPlane(Skeleton.Joint origin, Skeleton.Joint measured, double tolerance) {
return Math.abs(measured.getZ() - origin.getZ()) < tolerance;
}
/**
* This method returns the angle (in degrees) of the vector pointing from Origin to Measured
* projected to the YZ plane. If the mirrored parameter is true the vector is flipped about the
* Y-axis. Mirroring is used to avoid the region where the atan2 function is discontinuous
*
* @param origin The Skeleton Joint to use as the origin point
* @param measured The Skeleton Joint to use as the endpoint of the vector
* @param mirrored Whether to mirror the Z coordinate of the joint about the Y-axis
* @return The angle in degrees
*/
public double AngleYZ(Skeleton.Joint origin, Skeleton.Joint measured, boolean mirrored) {
return Math.toDegrees(
MathUtils.atan2(
measured.getY() - origin.getY(),
(mirrored) ? (origin.getZ() - measured.getZ()) : (measured.getZ() - origin.getZ())));
}
