Minecart clusters rotate inconsistently after derailing
This bug arises when a minecart cluster (many minecarts clustered together in one block) derails off a rail track. This only happens when Minecart Experiments is disabled.
Steps to reproduce:
- Build a rail track (I used powered rails). The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of one end of the rail track.
As soon as the minecart cluster derails, it changes direction about 45 degrees and proceeds in the new direction.
Created Issue:
Minecart clusters rotate inconsistently after derailing on soul sand
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derail on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. Build this facing north (so you look in the north direction when you stand in front of the rails, not on the soul sand).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derail on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. Build this facing north (so you look in the north direction when you stand in front of the rails, not on the soul sand).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derail on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. Build this facing north (so you look in the north direction when you stand in front of the rails, not on the soul sand).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derails on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video as guidance. Build this facing north (so you look in the north direction when you stand in front of the rails, not on the soul sand).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derails on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior1.mp4 as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior2-1.mp4 as guidance. Build this facing north (so you look in the north direction when you stand in front of the rails, not on the soul sand).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derails on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior1.mp4 as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior2-1.mp4 as guidance. Build this facing north (so
you look in the north direction when you stand in front of the rails, not on the soul sand).- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derails on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior1.mp4 as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior2-1.mp4 as guidance. Build this facing north (so the minecarts travel in the north direction).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect.
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derails on a block of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.
Steps to reproduce the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior1.mp4 as guidance. The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, it changes direction about 45 degrees and leaves the soul sand, proceeding in the new direction.
The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior2-1.mp4 as guidance. Build this facing north (so the minecarts travel in the north direction).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect (which is not very well visible in the video).
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
There are three behaviors that can happen when a minecart cluster (many minecarts clustered together in one block) derails onablock of soul sand. These are different from each other in Minecart Experiments being enabled and the direction the rail track is built in. Two of these behaviors represent a bug.Steps to reproduce
the first behavior:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails)
that ends in front of a line of soul sand. You can use the video behavior1.mp4 as guidance. The direction this is built in is not important.- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of
the soul sand.As soon as the minecart cluster
collides with the soul sand, it changes direction about 45 degrees andleaves the soul sand,proceedingin the new direction.The first behavior seems to happen with many (if not all) non-full blocks.
Steps to reproduce the second behavior:
- Enable Minecart Experiments.
- Build a rail track (I used powered rails) that ends in front of a line of soul sand. You can use the video behavior2-1.mp4 as guidance. Build this facing north (so the minecarts travel in the north direction).
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of the soul sand.
As soon as the minecart cluster collides with the soul sand, its rotation changes from 270 to 90 degrees, producing a twitching effect (which is not very well visible in the video).
The other three directions this can be built in exhibit normal behavior where the minecarts do not change rotation (which is the third behavior) with Minecart Experiments enabled.
The attached videos show both faulty behaviors.
When a minecart cluster (many minecarts clustered together in one block) derails off a rail track. This only happens when Minecart Experiments is disabled.
Steps to reproduce:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails). The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of one end of the rail track.
As soon as the minecart cluster derails, it changes direction about 45 degrees and proceeds in the new direction.
Minecart clusters rotate inconsistently after derailingon soul sand
When a minecart cluster (many minecarts clustered together in one block) derails off a rail track. This only happens when Minecart Experiments is disabled.Steps to reproduce:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails). The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of one end of the rail track.
As soon as the minecart cluster derails, it changes direction about 45 degrees and proceeds in the new direction.
This bug arises when a minecart cluster (many minecarts clustered together in one block) derails off a rail track. This only happens when Minecart Experiments is disabled.
Steps to reproduce:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails). The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of one end of the rail track.
As soon as the minecart cluster derails, it changes direction about 45 degrees and proceeds in the new direction.
This bug arises when a minecart cluster (many minecarts clustered together in one block) derails off a rail track. This only happens when Minecart Experiments is disabled.
Steps to reproduce:
- Disable Minecart Experiments.
- Build a rail track (I used powered rails). The direction this is built in is not important.
- Summon a lot of minecarts on one rail (using a command block).
- Push them in the direction of one end of the rail track.
As soon as the minecart cluster derails, it changes direction about 45 degrees and proceeds in the new direction.

Can confirm:
Setup.png
After some testing, I figured out that the first behavior happens when the minecarts derail onto any block, so I've updated the report accordingly. The second behavior seems to only happen when minecarts derail onto soul sand, and since it only happens when the experiment is enabled, it is different enough from the first behavior to need its own issue. Please report it separately.
@ManosSef: Will do, but do you maybe still have the text I wrote for the second behavior? I thought that was pretty succinct.
Nevermind, found it.