Week03 02160510黃品鈞

glClearColor(1,0,1,0);

    glClear(GL_COLOR_BUFFER_BIT);

    glColor4f(1,1,0,0);

glutSolidTeapot(0.5);

glBegin(GL_POLYGON);

    glColor3f(1,0,0);

    glVertex2f(-1,-1);

    glColor3f(0,1,0);

    glVertex2f(1,1);

    glColor3f(0,0,1);

    glVertex2f(2,0);

    glEnd();