英文:
How Can I Get The Global Position Of A Node3D In Godot 4.0?
问题
Node3D.global_position() 和 Node3D.global_translate() 是两个可以用来设置节点在全局坐标系下位置的方法。你可以尝试使用它们来实现你的目标。
英文:
I want to position one node to another, but they are under different parent nodes. How can I set one of the node's position to the other's, without interfering with the parent nodes' positions? Btw, the node3d with the position i'm trying to find has a random position
i've tried Node3D.global_position() and Node3D.global_translate (AI told me to try it). I know how to set global position, just not find it.
答案1
得分: 0
In Godot 3 对于 Spatial，您会使用 node.global_transform.origin，在 Godot 4 中对于 Node3D 仍然适用。
然而，在 Godot 4 中，您现在可以使用 node.global_position 来操作 Node3D，这使其与 Node2D 保持一致。
关于 global_position 的官方文档表示：
该节点的全局位置。这等同于 global_transform.origin
global_transform.origin 和 global_position 都是属性，您可以获取：
prints(node.global_transform.origin, node.global_position)
或者设置：
node.global_transform.origin = Vector3.ZERO
node.global_position = Vector3.ZERO
显然，您尝试将其用作方法 Node3D.global_position()（因为您添加了括号，它会尝试调用它，但实际上它不是可调用的，因为它是 Vector3 而不是 Callable）。
还有 Node3D.global_translate，显然您尝试将其用作属性...它实际上是一个方法，您可以使用它来移动 Node3D。
关于 global_translate 的文档表示：
使用 Vector3 偏移移动全局（世界）变换。偏移量是在全局坐标系中的。
您可以像这样使用它：
node.global_translate(some_offset)
这相当于：
node.global_position += some_offset
这相当于：
node.global_transform.origin += some_offset
这相当于：
node.global_transform.origin = node.global_transform.origin + some_offset
英文:
In Godot 3 for Spatial you would do node.global_transform.origin, and this continues to work in Godot 4 for Node3D.
However, in Godot 4 you can now use node.global_position for Node3D which brings it in line with Node2D.
The official documentation for global_position says
> Global position of this node. This is equivalent to global_transform.origin
Both global_transform.origin and global_position are properties, that you can get:
prints(node.global_transform.origin, node.global_position)
Or set:
node.global_transform.origin = Vector3.ZERO
node.global_position = Vector3.ZERO
Apparently you were trying to use it as a method Node3D.global_position() (since you added parenthesis, it would be trying to call it, which it can't since it is a Vector3 not a Callable).
And also Node3D.global_translate which apparently you tried to use as a property... Well, it is a method which you can use to move the Node3D.
The documentation on global_translate says:
> Moves the global (world) transformation by Vector3 offset. The offset is in global coordinate system.
You would use it like this:
node.global_translate(some_offset)
Which is equivalent to:
node.global_position += some_offset
Which is equivalent to:
node.global_transform.origin += some_offset
Which is equivalent to:
node.global_transform.origin = node.global_transform.origin + some_offset
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