I have two entities and I want to see if the second entity is x+ or x- to the first entity. I want to do this for all three axis. Anyone know how I can do this? In addition to this, I've tried execute @e[type=Bat,name=Coord1] ~ ~ ~ testfor @e[x=~,y=~,z=~,type=Bat,name=Coord2] to see if the entities are at the same location but it doesn't seem to work.
Minecraft checking entity positions
minecraft-java-edition
Related Solutions
On spigot, it's depending on the entity-tracing-range in spigot.yml, but if you're using OptiFine, the it could be multiplied by a number depending on your settings.
The c parameter is only maximum count and there in no minimum variant.
You will have to use multiple command blocks to count the number of targets and run commands if that number is reached. Since you're looking for an exact number, no more or less, you can rely on the SuccessCount tag of the command block.
Get the number of required entities as the
SuccessCountvalue. Since you want only 2, the number of times the command will be processed has been limited to 3 to reduce server lag. This way theSuccessCountvalue will either be 0-1 for 0-1 entities, 2 for the desired amount, or 3 for 3+ entities./testfor @e[score_isB_min=1,score_isB=1,c=3]Check the
SuccessCountvalue of the repeating command block. Change the coordinates as needed. If the value is 2, this/testforblockcommand will be successful./testforblock ~1 ~ ~ minecraft:repeating_command_block -1 {SuccessCount:2}Conditional. If the
/testforblockcommand was successful, this would be the command to run as a result, which would be your/executecommand./execute @e[name=Marker2] ~ ~ ~ /execute @e[score_isB_min=1,score_isB=1] ~ ~ ~ /execute @e[score_isP_min=1] ~ ~ ~ /say hi
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Best Answer
To test if entities are at the same location, you can use the
rargument to test for a radius of 0:You can use dy, dx and dz to test for an entity inside a cuboid relative to another entity. For example:
Would say players in this area (and 5 upwards):
To test for entities in the positive Z direction, you probably want a region that looks something like this:
You can make this bigger, although it will get laggier the larger the area to be checked is.
We need to check both negative and positive X from the entity (it is not at one of the corners of the region). To do this, we could use two separate testfor commands. One for +Z +X, and one for +Z -Z.
We can also use the coordinates in the execute command to have a different starting point, like this:
So we go -7 in the x direction, and then search a 17 by 5 by 10 region starting from there:
Applying this to your bat situation:
Should detect bats in the positive x direction. You'll need to create a command for each negative and positive in each axis. For example, for positive z: