for(int i=0;i<8;i++){
                                        if(m_ThView.a1[i]==4 || m_ThView.a1[i]==5 || m_ThView.a1[i]==6)
                                                 m_ThView.a1[i]=0;        
}



이거랑

for(int i=0;i<8;i++){
                                        if(m_ThView.a1[i]>=4 )
                                                 m_ThView.a1[i]=0;        
}

이거의 차이는 큰가여?