Week03 陳冠宇

1.

讓茶壺變色

glColor3f(r,g,b);

2.

glBegin(GL_POLYGON);
        glColor3f(1,0,0);//顏色(R,G,B)
        glVertex3f(0,0,0);//頂點(x,y,z)

        glColor3f(0,1,0);
        glVertex3f(1,1,0);

        glColor3f(0,0,1);
        glVertex3f(1,-1,0);
    glEnd();