+ this.setClimbing(this.horizontalCollision && (this.level().paperConfig().entities.behavior.allowSpiderWorldBorderClimbing || !io.papermc.paper.util.CollisionUtil.isCollidingWithBorder(this.level().getWorldBorder(), this.getBoundingBox().inflate(io.papermc.paper.util.CollisionUtil.COLLISION_EPSILON)))); // Paper - inflate by +EPSILON as collision will place us outside the border, but just barely