vbo

///    ================ init ===============

uint pp[5],cc[2];
{
        glGenBuffers(5,pp);
        glGenBuffers(2,cc);

        for (int t=0;t<5;t++){
            float am[200][2];
            for (int i=0;i<200;i++){
                float w=float(i)/200*2*pi;
                float r=cos(w*(t+2))*0.25+0.75;
                am[i][0]=cos(w)*r;
                am[i][1]=sin(w)*r;
            }
            glBindBuffer(GL_ARRAY_BUFFER, pp[t]);
            glBufferData(GL_ARRAY_BUFFER, sizeof(am), am, GL_STATIC_DRAW);
        }
        {
            float am[200][3];
            for (int i=0;i<200;i++){
                float w=cos(float(i)/200*2*pi);
                am[i][0]=w;
                am[i][1]=1-w;
                am[i][2]=0;
            }
            glBindBuffer(GL_ARRAY_BUFFER, cc[0]);
            glBufferData(GL_ARRAY_BUFFER, sizeof(am), am, GL_STATIC_DRAW);


            for (int i=0;i<200;i++){
                float w=cos(float(i)/200*2*pi*10)*0.5+0.5;
                am[i][0]=w;
                am[i][1]=w;
                am[i][2]=w;
            }
            glBindBuffer(GL_ARRAY_BUFFER, cc[1]);
            glBufferData(GL_ARRAY_BUFFER, sizeof(am), am, GL_STATIC_DRAW);
        }
    }









///    ================ draw ===============


{
        //glEnableClientState(GL_COLOR_ARRAY);


        glLineWidth(5);
        for (int i=0;i<5;i++){
            glPushMatrix();
            glTranslatef((i-2)*0.5,0,0);
            glScalef(0.2,0.2,0.2);
            glBindBuffer(GL_ARRAY_BUFFER, pp[i]);
            glVertexPointer(2,GL_FLOAT,0,0);
            glBindBuffer(GL_ARRAY_BUFFER, 0);

            glBindBuffer(GL_ARRAY_BUFFER, cc[i%2]);
            glColorPointer(3,GL_FLOAT,0,0);
            glBindBuffer(GL_ARRAY_BUFFER, 0);

            glDrawArrays(GL_LINE_LOOP,0,200);

            glPopMatrix();

        }

        //glDisableClientState(GL_COLOR_ARRAY);
        text.glerr("123");
    }