directions-controls-unitycsharp

jitter = Random.Range(0.1f, 0.4f);
toCheck = 0.0f;
THRESHOLD = 0.9f;
THRES_DIRECTION = 1;

if (direction == 1) {
    direction_vector.x -= jitter;
    toCheck = direction_vector.x;
    THRESHOLD *= -1;
    THRES_DIRECTION = -1;
} else if (direction == 0) {
    direction_vector.y -= jitter;
    toCheck = direction_vector.y;
    THRESHOLD *= -1;
    THRES_DIRECTION = -1;
} else if (direction == 2) {
    direction_vector.z -= jitter;
    toCheck = direction_vector.z;
    THRESHOLD *= -1;
    THRES_DIRECTION = -1;
} else if (direction == 3) {
    direction_vector.x += jitter;
    toCheck = direction_vector.x;
} else if (direction == 4) {
    direction_vector.y += jitter;
    toCheck = direction_vector.y;
} else if (direction == 5) {
    direction_vector.z += jitter;
    toCheck = direction_vector.z;
}

switch (THRES_DIRECTION) {
    case -1:
        if (toCheck < THRESHOLD) {
            done = true;
        }
        break;
    case 1:
        if (toCheck > THRESHOLD) {
            done = true;
        }
        break;
}