A phenomenon in three-dimensional rendering where two or more primitives have similar values in the z-buffer, causing flickering as one is displayed varyingly behind or in front of the other.
Z-fighting is a phenomenon in 3D rendering that occurs when two or more primitives have similar values in the z-buffer. It is particularly prevalent with coplanar polygons, where two faces occupy essentially the same space, with neither in front. Affected pixels are rendered with fragments from one polygon or the other arbitrarily, in a manner determined by the precision of the z-buffer. It can also vary as the scene or camera is changed, causing one polygon to "win" the z test, then another, and so on. The overall effect is a flickering, noisy rasterization of two polygons which "fight" to color the screen pixels. This problem is usually caused by limited sub-pixel precision and floating point and fixed point round-off errors. Z-fighting can be reduced through the use of a higher resolution depth buffer, by z-buffering in some scenarios, or by simply moving the polygons further apart. Z-fighting which cannot be entirely eliminated in this manner is often resolved by the use of a stencil buffer, or by applying a post transformation screen space z-buffer offset to one polygon which does not affect the projected shape on screen, but does affect the z-buffer value to eliminate the overlap during pixel interpolation and comparison. Where z-fighting is caused by different transformation paths in hardware for the same geometry it can sometimes be resolved by requesting that the hardware uses invariant vertex transformation.
The numerical value of z-fighting in Chaldean Numerology is: 1
The numerical value of z-fighting in Pythagorean Numerology is: 7
Sample Sentences & Example Usage
In the '60s, we were fighting for equality, now we're fighting for survival.
Obviously part of the entertainment value of the NHL is fighting, you get five minutes for fighting.
... it's simply wrong to always order kids to stop that fighting. There are times when one child is simply defending his rights and damned well should be fighting.
We do not have the right (to stop fighting for Debaltseve). It's even a moral thing. It's internal territory, we have to respond to fire, to work on destroying the enemy's fighting positions.
If you insist upon fighting to protect me, or our country, let it be understood soberly and rationally between us that you are fighting to gratify a sex instinct which I cannot share; to procure benefits which I have not shared and probably will not share.
Images & Illustrations of z-fighting
Translations for z-fighting
From our Multilingual Translation Dictionary
- जेड से लड़नेHindi
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