2021graphics

2021电脑图学 周03 第03-1周 # include < GL> static void display ( void ) { glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glBegin (GL_TRIANGLES); glColor3f ( 1 . 0f , 0 . 0f , 0 . 0f ); glVertex2f ( 0 . 0f , 1 . 0f ); glColor3f ( 0 . 0f , 1 . 0f , 0 . 0f ); glVertex2f ( 0 . 87f , - 0 . 5f ); glColor3f ( 0 . 0f , 0 . 0f ,