Контрольная работа: Создание компьютерной графики при помощи OpenGL

glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glColor3d(1,1,1);

float pos[4]={3,-3,5,1};

glLightfv(GL_LIGHT0, GL_POSITION, pos);

glEnable(GL_LIGHTING);

glEnable (GL_LIGHT0);

glEnable (GL_DEPTH_TEST);

quadObj = gluNewQuadric();

float s=0.9-(time0/800);

if (s<0.01 && flag0==1)

{flag0=2;}

if (s>0.9 && flag0==2)

{flag0=1;}

if (flag0==1)

{time0++;}

else

{time0--;}

const float p[4]={0,0,s,0};

glPushMatrix();

glEnable(GL_TEXTURE_2D);

glEnable(GL_TEXTURE_GEN_S);

glEnable(GL_TEXTURE_GEN_T);

glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);

glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);

glTexGenfv(GL_T,GL_OBJECT_PLANE,p);

glRotated(-180,1,0,0);

glTranslated(0,0,-3);

glColor3d(1,1,0);

gluCylinder(quadObj, 1, 1, 3, 50, 50);