//membuat garis lurus
#include
void userdraw()
{
static int tick=0;
glColor3f(0.,0.,1.);
glBegin(GL_LINES);
glVertex2i(175,50);
glVertex2i(425,50);
glEnd();
}
void drawLine(int x1, int y1, int x2, int y2)
{
glBegin(GL_LINES);
glVertex2i(x1,y1);
glVertex2i(x2,y2);
glEnd();
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
userdraw();
glutSwapBuffers();
}
int main(int argc, char **argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB);
glutInitWindowPosition(100,100);
glutInitWindowSize(640,480);
glutCreateWindow("Membuat Garis IJ");
glClearColor(1.0,1.0,1.0,1.0);
gluOrtho2D(0.,540.,0.,140.);
glutIdleFunc(display);
glutDisplayFunc(display);
glutMainLoop();
return 0;
}