private float computeAnalogValue(long timeDelta) {
if (safeMode || frameDelta == 0) {
return 1f;
} else {
return FastMath.clamp((float) timeDelta / (float) frameDelta, 0, 1);
}
}
private void lookUpDown(final float v) {
yaw += v;
yaw = FastMath.clamp(yaw, -FastMath.HALF_PI, FastMath.HALF_PI);
head.setLocalRotation(new Quaternion().fromAngles(yaw, 0, 0));
}