private void changeMapX(float radians) {
Geocentric lookVector = mUser.getLookDir();
Geocentric crossVector = MathUtils.crossProduct(lookVector, mUser.getLookNormal());
Geocentric deltaLookVector =
new Geocentric(crossVector.x * radians, crossVector.y * radians, crossVector.z * radians);
Geocentric newLookDir = MathUtils.add(lookVector, deltaLookVector);
newLookDir = MathUtils.normalize(newLookDir);
mUser.setLookDir(newLookDir);
}
private void changeMapY(float radians) {
Geocentric lookVector = mUser.getLookDir();
Geocentric upVector = mUser.getLookNormal();
Geocentric deltaLookVector =
new Geocentric(upVector.x * -radians, upVector.y * -radians, upVector.z * -radians);
Geocentric newLookDir = MathUtils.add(lookVector, deltaLookVector);
newLookDir = MathUtils.normalize(newLookDir);
Geocentric deltaUpVector =
new Geocentric(lookVector.x * radians, lookVector.y * radians, lookVector.z * radians);
Geocentric newUpDir = MathUtils.add(upVector, deltaUpVector);
newUpDir = MathUtils.normalize(newUpDir);
mUser.setLookDir(newLookDir);
mUser.setLookNormal(newUpDir);
}