If you hit F3 while playing Minecraft, an overlay appears. Some of the items, such as fps , x , y , and z are obvious, but I'm curious about some of the other values.
What do they all represent? The bar graph charts frame rate over time inversely e. Green plots are when your frame rate is 60 FPS or higher. Pressing the keys will show sub-divisions of the numbered slices of the pie chart in addition to switching items as usual , and pressing 0 will go back up.
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What do the values on the Minecraft debug screen represent? Ask Question. Asked 10 years, 9 months ago. Active 8 years, 4 months ago. Viewed 61k times. Improve this question. Kevin Yap Kevin Yap FYI — user Add a comment. Active Oldest Votes. Notes A chunk , if you're not familiar with the term, is a section of the world, equal to 16xx16 blocks. Given the context in which it appears in RenderGlobal. Under the Minecraft coordinate system, X and Z are the horizontal axes and Y is the vertical axis, which confuses players used to other coordinate systems.
It shows the chunk cache, the memory usage, various parameters, the player's map coordinates and a graph that measures the game's current frame rate.
When the reducedDebugInfo gamerule is set to true , only the starred items are included, in order from top to bottom. The left side is more about the actual game and the right side is more about the player's system information. Y: Player's feet altitude in blocks 63 is overworld sea level, 11 is overworld lava flood level, 32 is nether lava sea.
Z: Player's location in blocks South of 0,0 negative values are to the North. The first number is the total light level where the player 's feet are. Note that there are a few caveats here due to the sky light level showing the light level the block would get from the sun in full daylight, but does not account for the lower light levels at night or during a storm.
The second number is the amount of light from the sky at the block the player's feet are in. Same caveat as above. The third number is the amount of light from other blocks e. Exactly the same as the described in Client Light, but the first number "total light level" doesn't exist.
C: continentalness. Used to distinguish ocean and land. E: erosion. How flat the terrain is. Higher values result in flatter biomes, lower values in mountainous biomes. T: temperature. Used for biome placement, and does not affect terrain.
H: humidity. W: weirdness. Used for rivers and, in places with low erosion, to determine if the biome is in a valley, peak, or in between. Also used to determine the placement of unique biomes like sunflower plains and ice spikes. PV: peaks and valleys.
E, T, and H: erosion, temperature and humidity, respectively. Represent different ranges of noise values as numbers, where lower numbers are also lower actual values. Temperature and humidity can be 0 to 4, while erosion can be 0 to 5. Derived from the weirdness noise value. O: unknown. A flattening factor that affects the "shatteredness" of terrain. Lower values lead to more noisy terrain like the shattered savanna biome.
JA: unknown. The first pair represents normal sounds like breaking or placing a block, moving or burning fire. The second pair represents streamed sounds, such as music , music from music discs , and loop ambience sounds. The mood value in parentheses indicates how close the player is to the next mood ambience sound being played see Ambience Mood algorithm.
More detailed information about one section can be displayed by using the keys Press 0 to go back to the previous section. The graph is color coded from green to yellow to red, with green being faster frame time, red being slower frame time, and yellow in between. The color is the exact same as the FPS graph. Text appears in chat for most debug keys listed here.
Issues relating to "Debug screen" or "F3" are maintained on the bug tracker. Report issues there. A sneak peek of the performance profiler shown on Notch's Twitter on October 2, [6]. Minecraft Wiki.
Minecraft Wiki Explore. Main Page All Pages. Minecraft Minecraft Earth Minecraft Dungeons. Useful pages. Minecraft links. Gamepedia support Report a bad ad Help Wiki Contact us. Explore Wikis Community Central. Register Don't have an account? Debug screen. History Talk This article is about the screen. For other uses, see Debug. This feature is exclusive to Java Edition. This section describes content that exists only in outdated versions of Minecraft.
This feature used to be in the game but has since been removed. Image from Notch showing an "unlicensed copy" message on the top corner of the screen. Cancel Save. Fan Feed 1 Java Edition 1. Universal Conquest Wiki. Shows the max framerate "inf" if Unlimited and the Graphics type "fast" if Fast, "fancy" if Fancy and "fabulous" if Fabulous! Unused, always 0. May previously have been the number of entities removed due to hidden chunks.
X: Player's location in blocks East of 0,0 negative values are to the West. The coordinates of the block the player's feet are in, in xyz format. Similar to XYZ as above, rounded down to a whole number. The location of the player within a chunk, and the location of the chunk within the world.
In reduced mode, only the location within the chunk is displayed. The direction in which a player is facing.
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