M>        ... 
M>        сначала рисую сцену
M>        ....

M>        // теперь кроссхайр - рисовать так, чтобы не проваливался за стены =)))
M>        // Crosshair  
M>        glPushMatrix();
M>        glDisable(GL_DEPTH_TEST); //!!!!! Эта та самая фигня!!! Отключаем тест глубины.

M>        glLoadIdentity();
M>        glTranslated(0.0f,0.0f,-55.0f);   
        
M>        glColor3f(0.0f,1.0f,0.0f);

M>        glBegin(GL_LINES);
M>            glColor3f(0.0f,1.0f,0.0f);
M>            glVertex2f(0.0f,1.0f);
M>            glColor3f(0.0f,0.0f,0.0f);
M>            glVertex2f(0.0f,0.1f);

M>            glVertex2f(0.0f,-0.1f);
M>            glColor3f(0.0f,1.0f,0.0f);
M>            glVertex2f(0.0f,-1);

M>            glVertex2f(1.0f,0.0f);
M>            glColor3f(0.0f,0.0f,0.0f);
M>            glVertex2f(0.1f,0.0f);

M>            glVertex2f(-0.1f,0.0f);
M>            glColor3f(0.0f,1.0f,0.0f);
M>            glVertex2f(-1.0f,0.0f);
M>        glEnd();

M>        glEnable(GL_DEPTH_TEST);   // Включаем тест глубины


M>