作業01


作業02

#include<GL/glut.h>
void display()
{
glBegin(GL_POLYGON);
glColor3f(1,1,0);
glVertex2f(0.5,0.5);
glVertex2f(0.5,-0.5);
glVertex2f(0,0);
glEnd();
glutSwapBuffers();
}
int main(int argc, char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("hello");
glutDisplayFunc(display);
glutMainLoop();
}

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