#include<gl/glut.h>
GLvoid RenderScene(GLvoid);
void main(int argc, char *argv[])
{
 glutInitDisplayMode(GLUT_SINGLE|GLUT_RGBA);
 glutInitWindowPosition(100, 100);
 glutInitWindowSize(400, 400);
 glutCreateWindow("draw");
 glutDisplayFunc(RenderScene);
 glutMainLoop();
}
GLvoid RenderScene(GLvoid)
{
 glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
 glClear(GL_COLOR_BUFFER_BIT);
 glColor3f(0.0f, 0.0f, 0.0f);

 glBegin(GL_POLYGON);//다각형
 glVertex3f(-0.75f, 0.0f, 0.0f);
 glVertex3f(0.75, 0.0f, 0.0f);
 glVertex3f(0.5f, 0.75f, 0.0f);
 glVertex3f(-0.5f, 0.75f, 0.0f);
 glEnd();

 glBegin(GL_TRIANGLE);//삼각형  <<<<<<<<<<<<<<<<<<<<<<여기서
 glVertex3f(-0.4f, -0.1f, 0.0f);
 glVertex3f(-0.85f, -0.85f, 0.0f);
 glVertex3f(-0.15f, -0.85f, 0.0f);

 glEnd();

 glBegin(GL_LINE_STRIP);//연속선
 glVertex3f(0.1f, -0.85f, 0.0f);
 glVertex3f(0.3f, -0.2f, 0.0f);
 glVertex3f(0.5f, -0.85f, 0.0f);
 glVertex3f(0.7f, -0.2f, 0.0f);
 glVertex3f(0.9f, -0.85f, 0.0f);
 glEnd();

 glFlush();
}


이렇게 해서 돌렸는데 에러가나  근데 소스자체 문제라기보다 6.0 켤때 뭔가 설정을

잘못한거같은데. . . 잘 모르겟서