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Z-buffer problem

Started by Possibility Oct 9, 2001 at 6:49 PM 2 replies 650+ views

Original Post

Oct 9, 2001 at 6:49 PM

I am having a problem with a jaggy line being produce where 2 polygons cross each other. As you can see in the screen shots below, the tiles of my terrain map interest the water, which is just a large square the size of the map. How can I get this to produce a nice smooth line between the terrain and the water where they intersect instead of the ugly jaggies? My video card is a voodoo3 2000 16mb ram.

Possibility Edited by - Possibility on October 9, 2001 7:54:16 PM

Friday13

Oct 10, 2001 at 7:11 AM

Try setting D3DRS_ZBIAS above zero when rendering either terrain or water (but not both).

Also, the absolute size matters. If your square side is longer than some 100,000.0, you start losing precision within 4-byte float, which results in shaking with subsequent z-fighting.

Possibility

Oct 10, 2001 at 1:19 PM

Thanks, my near clip plane was to close, setting it to further away smoothed it alot.

Possibility

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