private:
void drawpatch(int whichx, int whichy, float opacity);
void drawpatchother(int whichx, int whichy, float opacity);
private:
void drawpatch(int whichx, int whichy, float opacity);
void drawpatchother(int whichx, int whichy, float opacity);
void UpdateTransparency(int whichx, int whichy);
void UpdateTransparencyother(int whichx, int whichy);
void UpdateTransparencyotherother(int whichx, int whichy);
void UpdateTransparency(int whichx, int whichy);
void UpdateTransparencyother(int whichx, int whichy);
void UpdateTransparencyotherother(int whichx, int whichy);