vector vup_left,vup_right,vdown_left,vdown_right;
float fup_left,fup_right,fdown_left,fdown_right;
vector upwish,downwish,leftwish,rightwish;
vector vup_left,vup_right,vdown_left,vdown_right;
float fup_left,fup_right,fdown_left,fdown_right;
vector upwish,downwish,leftwish,rightwish;