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docs/wiki/3-实体/2-巧思案例/solid-entities.md

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+---
+title: Solid Entities
+category: Tutorials
+tags:
+    - recipe
+    - intermediate
+mentions:
+    - SirLich
+    - Joelant05
+    - Chikorita-Lover
+    - Luthorius
+    - MedicalJewel105
+    - ThomasOrs
+---
+
+Solid entities are entities that the player can bump into, step on, or otherwise physically interact with without passing through. Entities like this have many uses, such as emulating blocks.
+
+This page will discuss some of the ways that solid entities can be created.
+
+Not all techniques are ideal for all scenarios. Experiment, and figure out what works best for you.
+
+## Runtime Identifiers
+
+[Runtime identifiers](/entities/runtime-identifier) can be used to achieve solid entities, but currently only 2, each with a specific shape, and their own side effects. Neither collision shapes are possible to change or scale.
+
+### Boat
+
+<CodeHeader>BP/entities/entity_name.json</CodeHeader>
+
+```json
+{
+  "format_version": "1.16.0",
+  "minecraft:entity": {
+    "description": {
+      "identifier": "wiki:solid_entity",
+      "runtime_identifier": "minecraft:boat"
+       . . .
+    }
+  }
+}
+```
+
+-   Boat-shaped solid collision
+-   Certain other boat-like effects
+
+### Shulker
+
+<CodeHeader>BP/entities/entity_name.json</CodeHeader>
+
+```json
+{
+  "format_version": "1.16.0",
+  "minecraft:entity": {
+    "description": {
+      "identifier": "wiki:solid_entity",
+      "runtime_identifier": "minecraft:shulker"
+       . . .
+    }
+  }
+}
+```
+
+-   1x1 block sized solid collision.
+-   Sticks to block grid.
+-   Teleports randomly when supporting block removed.
+
+## minecraft:is_stackable
+
+Add `minecraft:is_stackable` to your entity you want to be treated as being solid.
+**Note:** This requires editing `player.json` if you wish the entity to be solid for the player.
+
+`"minecraft:is_stackable": {}`
+
+You will also need to add `minecraft:push_through` and set its `value` parameter to 1.
+
+`"minecraft:push_through": 1`
+
+(they should both go in `components`)
+
+## Faking it with blocks
+
+In some scenarios, it's probably better to `/setblock` or `/fill` to place barrier blocks, either statically or dynamically. There needs to be both a way of placing the barriers, and removing them.
+
+`/fill ~ ~ ~ ~ ~1 ~ barrier 0 replace air`
+Places barriers in a 1x1x2 area.
+
+`/fill ~1 ~1 ~1 ~-1 ~-1 ~-1 air 0 replace barrier`
+Removes barriers within a 3x3x3 area.
+
+These [commands](/animation-controllers/entity-commands) will have to be triggering at a constant rate, for consistency. They can either be triggered through entity components, or animation controllers.