OpenGL学习四：矢量图形添加颜色

1.分别给点进行添加颜色
?glBegin(GL_TRIANGLES);
? glColor3f(1.0f,0.0f,0.0f);
? glVertex3f( 0.0f, 1.0f, 0.0f);
? glColor3f(0.0f,1.0f,0.0f);
? glVertex3f(-1.0f,-1.0f, 0.0f);
? glColor3f(0.0f,0.0f,1.0f);
? glVertex3f( 1.0f,-1.0f, 0.0f);
?glEnd();

2.为图形整体添加颜色
?glColor3f(0.5f,0.5f,1.0f);
?glBegin(GL_QUADS);
? glVertex3f(-1.0f, 1.0f, 0.0f);
? glVertex3f( 1.0f, 1.0f, 0.0f);
? glVertex3f( 1.0f,-1.0f, 0.0f);
? glVertex3f(-1.0f,-1.0f, 0.0f);
?glEnd();

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