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Bug
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Resolution: Unresolved
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None
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1.20.6, 24w19b, 1.21 Pre-Release 1, 1.21 Pre-Release 2, 1.21, 24w34a, 24w39a, 24w45a, 25w02a
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None
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Confirmed
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Collision
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Low
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Platform
Cacti have a collision box of (1/16, 0, 1/16) to (15/16, 15/16, 15/16), which allows players to take damage on cacti they stand on. However, because the collision does not take up a full block vertically, the 1/16 empty collision at the top of each cacti block will repeat for each block in a cactus, even if they aren't the top block.
Since cacti visually appear as a solid box extending vertically, I wouldn't expect there to be gaps in the collision associated with this box. However, there indeed are gaps, and e.g. arrows can be shot through these gaps. I would expect the reduced Y height of the cactus' collision box to only exist for the top cacti.