faceCoord

public void faceCoord(int x, int y, int z, float f, float f1)
    {
        double d = x - posX;
        double d2 = z - posZ;
        double d1;
        d1 = y - (posY + (double)getEyeHeight());

        double d3 = MathHelper.sqrt_double(d * d + d2 * d2);
        float f2 = (float)((Math.atan2(d2, d) * 180D) / 3.1415927410125732D) - 90F;
        float f3 = (float)(-((Math.atan2(d1, d3) * 180D) / 3.1415927410125732D));
        rotationPitch = -updateRotation(rotationPitch, f3, f1);
        rotationYaw = updateRotation(rotationYaw, f2, f);
    }