I don't know if this is a bug or intentional, but Bubbleberry plants have no model. There is a very small glow but it seems like it's often below the ground, rendering them almost undetectable unless you mouse over them.
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Show posts MenuQuoteTechnically, the NWN engine avoids collisions using two parameters in appearance.2da - CREPERSPACE and PERSPACE. Bioware has stated that PERSPACE (Personal Space) is used to prevent wall collisions, whereas CREPERSPACE (Creature Personal Space) is used to prevent creature collisions. This is why horses clip into walls, but can't pass between two guards unless the gap is really large. The actual implementation is more complicated than that, as illustrated by the discussion in this section. It seems that CREPERSPACE is used for spawning, but EffectCutsceneGhost by-passes collision checking, and no further check is made until the creature tries to move. Evidently, there are also implications for combat; CREPERSPACE seems to be used between blows to keep the opponents apart, but PERSPACE governs the distance at which blows are struck, to allow the opponents get close enough for the kill.