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C-/C++-Quelltext

    ZombieWorld = XMMatrixIdentity();

    float Angle;
    XMVECTOR Position;

    if (ZombiePosX != XMVectorGetX(CamPosition) || ZombiePosZ != XMVectorGetZ(CamPosition))
    {
        Position = XMVectorSet(ZombiePosX, ZombiePosY, ZombiePosZ, 0.0f);

        float CamPosBuf = XMVectorGetX(CamPosition);

        XMVECTOR DefaultZombieForward = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);

        DeltaX = CamPosBuf - ZombiePosX;

        CamPosBuf = XMVectorGetZ(CamPosition);

        DeltaZ = CamPosBuf - ZombiePosZ;

        Angle = atan2(DeltaX, DeltaZ);

        XMMATRIX YTempMatrix = XMMatrixRotationY(Angle);

        Forward = XMVector3TransformCoord(DefaultZombieForward, YTempMatrix);

        Position += 1.0f * DefaultZombieForward;
    }

    Rotation = XMMatrixRotationY(Angle + 3.14f);
    Scale = XMMatrixScaling(1.7f, 2.0f, 1.8f);
    Translation = XMMatrixTranslation(XMVectorGetX(Position), XMVectorGetY(Position), XMVectorGetZ(Position));

    ZombieWorld = Rotation * Scale * Translation;

C-/C++-Quelltext

    float Angle;

    if (ZombiePosX != XMVectorGetX(CamPosition) || ZombiePosZ != XMVectorGetZ(CamPosition))
    {
        float CamPosBuf = XMVectorGetX(CamPosition);

        DeltaX = CamPosBuf - ZombiePosX;

        CamPosBuf = XMVectorGetZ(CamPosition);

        DeltaZ = CamPosBuf - ZombiePosZ;

        Angle = atan2(DeltaX, DeltaZ);

        if (PositionSet)
        {
            float Speed = 8.0f * Time;

            ZombiePosX += Speed * sinf(Angle);
            ZombiePosZ += Speed * cosf(Angle);
        }

        PositionSet = true;
    }

    Rotation = XMMatrixRotationY(Angle + PI);
    Scale = XMMatrixScaling(1.7f, 2.0f, 1.8f);
    Translation = XMMatrixTranslation(ZombiePosX, ZombiePosY, ZombiePosZ);

    ZombieWorld = Rotation * Scale * Translation;