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Linked Lists

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hi i am using OpenGL to make my 3D engines, now i have a little problem. I can show the triangles on the screen, but if i want to make a big world, i need something where i can store the triangles. I think that Linked Lists would be good. If there are other ways to do that, please tell me. I know how to make linked lists but i dont know how to use them. struct LL { int x, y, z; int u, v; LL * next; } so how do i go through the list and how do i change variables at the right position.

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To handle through a single linked list is a very simple

LL* top; // = top of the list item
LL* ptr; // = temporary list item

// now let''s go through the list
ptr = top
// have we reached the end of the list?
while (ptr != NULL)
// no, do anything with the list item
printf("x: %d\n", ptr->x);
// that''s important now, update to the next item in list
ptr = ptr->next;

That''s all!

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