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Clipping

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-W < X <= W -w < Y <= W 0 < Z <= W "X, Y, Z, and W represent the vertex coordinates after the projection transformation is applied. Any vertices that have an x-, y-, or z-component outside these ranges are clipped, if clipping is enabled" The directx SDK doesnt really explain what clipping actually is, does clipping mean that if a vertex is clipped it wont be shown on the screen? I also dont understand why the W coordinate is used for clipping, would W be equal to the world-space z coordinate? Why is the z coordinate used? What if z was very small, such as 0.0001, wouldnt this cause pretty much all objects with this z to be clipped? Cant find anything about it on google. Hope you can clear this up _

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