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# world of grids

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just wanna run an idea of mine past some people whom may have some experience here, i have my map currently divided into a 2d grid, and i have converted my 8 point frustrum into a 6 point frustrum, and am going to do a "render" of my 2d grid... by that i mean the way a polygon is rendered, line by line, only drawing the pixels that need to be draw, i going to do this with my 2d map (hope you get that), this seems to me, that adding an extra dimension to my map, ie. a 3d grid, i could probably do something similar and "render my 3d grid, using the camera''s frustrum to determine what grid cells should be rendered? origonally decided to do it 2d because i was intrested in starting of simple, but if i can do it in 3d, would save having to worry about converting the 8 point frustrum to a 6 point flat shape to render.... hope you get what i mean :D any advice welcome thanks

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no i didn t get what you mean and i have never heard of a 6 point frustrum

how shall this work?
i can only imagine a 5 or 8 point frustrum

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i have an 8 point frustrum, but if you project this down on to a shadow say, the out line of the frustrum you just need 6 points,

so now that you have the 6 points, you can simply scan through from 1 side to the other, and tell each cell of my map to be rendered,

but, i was wondering if somthing like this could just be done for a 3d object, scan through left to right, then down, then back.

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