4

void LocalPlayer::handleMove (PlayerInput_Move input) {

     5

    float fx = 0, fy = 0;

     7

    // handle up/down/left/right

     8

    if (input & INPUT_MOVE_UP)

     9

            fy -= PLAYER_MOVE_FORCE;

    10

    11

    if (input & INPUT_MOVE_DOWN)

    12

            fy += PLAYER_MOVE_FORCE;

    14

    if (input & INPUT_MOVE_LEFT)

    15

            fx -= PLAYER_MOVE_FORCE;

    16

    17

    if (input & INPUT_MOVE_RIGHT)

    18

            fx += PLAYER_MOVE_FORCE;

    19

    20

    if (fx || fy) {

    21

        // apply force

    22

        applyForce(Vector(fx, fy), INPUT_INTERVAL_MS);