In your code you are attempting to convert a layermask to a layer. I can use the LayerMask just fine inside 3 The LayerMask type is actually a struct and you are trying to assign it an integer value. However a layermask can have zero or multiple layers so this doesn’t make sense. Hi there! I’m trying to check if a layer (int) is in a layerMask (LasyerMask) and I can’t seem to find a solution online that works for me. GetMask and LayerMask. Or use it to create masks with single layers, and use the OR | I am currently following Unity's 2D Roguelike tutorial. The Player and Enemy A GameObject can use up to 32 LayerMask s supported by the Editor. LayerToName to generate the bitmask. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates I am trying to set the layer to look for during runtime, and I can get it to work just fine if I expose it in the inspector and select a LayerMask from the dropdown. Bitmasks represent the 32 Thank you for helping us improve the quality of Unity Documentation. To obtain their layer mask value their names can be passed into GetMask. This includes camera rendering, lighting, physics collisions, or I find myself needing to create LayerMasks that are set to “Everything” fairly often in code. The argument can either be a list of their names or an array of strings storing their names. They are used by Cameras in order to only render parts of a scene, and by lights for illuminating specific objects. In this tutorial, we will try to understand how Unity uses BitMask to Layers play a central role in Unity. Use LayerMask. This article showed you the different ways to work with LayerMasks in Unity, and provided a precise explanation of how Layers Layers in Unity can be used to selectively opt groups of GameObjects in or out of certain processes or calculations. 若要获取其层遮罩值， 可以将其名称传入 GetMask。 参数可以是 其名称的列表或是存储其名称的字符串数组。 在此例中， 返回值将为 2^10 + 2^11 = 3072。 对文档有任何疑问，请移步至 开 I don’t understand what’s going on here, if “default” actually means it has the tag of all of the other layers or something, why doesn’t I am currently following Unity's 2D Roguelike tutorial. The first 8 of these Layers are specified by Unity; the following 24 are controllable by the user. But I just manually set it to I am writing a piece of code where I need to check if an object has a certain layer mask. Raycast call as the The other methods in Unity, such as Raycast (), require a LayerMask. Description Given a set of layer names as defined by either a Builtin or a User Layer in the Tag Manager, returns the equivalent layer mask for all of them. Use GetMask () to create a Unity generates 32 layers, identified by standard integers from 0 to 31, and reserves some layers for its own systems. The easiest way I know of to do that is to I want to use LayerMasks in my script, but not for raycasting. Use GetMask () to create a LayerMask which includes all the layers specified. Note: LayerMask is a bitmask. For example, if you want to perform a RayCast against GameObjects on layer 9, if you pass 9 into the Physics. The method you are For the layerMask parameter, there are two ways we can define it: by using bit shift operations directly in the code, or by declaring a serialized Layer Mask variable and assigning LayerMask in Unity uses BitMask to either include or exclude a layer. I am doing a ray cast and this if statement checks a few things and I would like it to also . In that tutorial, I have Player, Enemy, and Wall Prefabs, which all belong to a Layer called BlockingLayer. A LayerMask contains a 1 or 0 for all 32 layers. Currently I’ve set it up so that I have a public LayerMask that I set manually. But I want to Description Given a layer name, returns the layer index as defined by either a Builtin or a User Layer in the Tags and Layers manager. To get a LayerMask return type, you should use: targetLayer = This page explains how to set initial values for LayerMask in Unity, including options like "Default," "Everything," or multiple layers. However, the API call won’t produce the behavior you expect. Refer to Create functional layers in Unity for a list of predefined layers and Basically I have a MonoBehaviour script which I make a sphere cast with. I can make a public LayerMask variable which will appear in the inspector, but I’m not sure how to get the layer Layermasks took me a while to figure out and get working correctly, and I've seen a few people asking about them on the forums, so I thought I'd add a little something to help Unity APIs use layerMasks to define which layers the API can interact with.
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