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21did21
5th July 2011, 23:36
Hello world,

i have a very strange problem:

i have done a vector like this: QVector< QVector<int> >colorArray3D;
and in my constructor i fill it like this:


QVector<int> blue;
blue.push_back(0);
blue.push_back(0);
blue.push_back(255);
colorArray3D.push_back(blue);
QVector<int> green;
blue.push_back(0);
blue.push_back(255);
blue.push_back(0);
colorArray3D.push_back(green);
QVector<int> magenta;
blue.push_back(233);
blue.push_back(73);
blue.push_back(214);
colorArray3D.push_back(magenta);
QVector<int> gray;
blue.push_back(161);
blue.push_back(156);
blue.push_back(161);
colorArray3D.push_back(gray);
QVector<int> darkBlue;
blue.push_back(43);
blue.push_back(5);
blue.push_back(203);
colorArray3D.push_back(darkBlue);
QVector<int> darkGreen;
blue.push_back(43);
blue.push_back(203);
blue.push_back(0);
colorArray3D.push_back(darkGreen);
QVector<int> darkMagenta;
blue.push_back(136);
blue.push_back(32);
blue.push_back(101);
colorArray3D.push_back(darkMagenta);
QVector<int> darkGray;
blue.push_back(94);
blue.push_back(94);
blue.push_back(94);
colorArray3D.push_back(darkGray);


Now i want to chose color in iterations but it show strange color

for ( int k = 0 ; k < 2 ; ++k )
{
for ( int i = 0 ; i < 200 ; ++i )
{
//i do something

glColor3ub(colorArray3D[k][0],colorArray3D[k][1],colorArray3D[k][2]);
gluSphere(params,radius,10,10);
}
}

normaly my first sphere should be blue and the second green; but it's blue and second like dark magenta

:confused::confused::confused:

if i comment this lines, it's works:


QVector<int> magenta;
blue.push_back(233);
blue.push_back(73);
blue.push_back(214);
colorArray3D.push_back(magenta);
QVector<int> gray;
blue.push_back(161);
blue.push_back(156);
blue.push_back(161);
colorArray3D.push_back(gray);
QVector<int> darkBlue;
blue.push_back(43);
blue.push_back(5);
blue.push_back(203);
colorArray3D.push_back(darkBlue);
QVector<int> darkGreen;
blue.push_back(43);
blue.push_back(203);
blue.push_back(0);
colorArray3D.push_back(darkGreen);
QVector<int> darkMagenta;
blue.push_back(136);
blue.push_back(32);
blue.push_back(101);
colorArray3D.push_back(darkMagenta);
QVector<int> darkGray;
blue.push_back(94);
blue.push_back(94);
blue.push_back(94);
colorArray3D.push_back(darkGray);

:confused:

totem
6th July 2011, 12:04
according to your code you only push values in the 'blue' QVector variable... and let other 'color vectors' uninitialized

21did21
6th July 2011, 13:44
oh yes !!! :p

i have seen this :o

thanks a lot