WEEK03

 glBegin(GL_POLYGON);

        glColor3f(1,0,0);

        glVertex3f(0,0,0);

        glColor3f(0,1,0);

        glVertex3f(1,1,0);

        glColor3f(0,0,1);

        glVertex3f(1,-1,0);

    glEnd();

三角形程式碼

    glColor3f(0,0,1);

    glutSolidTeapot(0.3);

    glutSwapBuffers();

茶壺改顏色程式碼