Introduction to layerMasks
Add a layer to a layerMask
Set a layerMaskThis page explains how to set up a layerMask correctly so you can use it in API calls that use a serialized layerMask property.
Use a serialized layerMask propertyThe simplest way to set a layermask in the Unity Editor is to create a property that uses Unityâs LayerMask class. If the property is public or uses the SerializeField attribute, Unity provides an interface in the InspectorA Unity window that displays information about the currently selected GameObject, asset or project settings, allowing you to inspect and edit the values. More info
See in Glossary that you can use to select which layers the layermask represents.
using UnityEngine;
public class LayerMaskExample : MonoBehaviour
{
[SerializeField] private LayerMask layermask;
}
If you want to convert a layer to a layermask in a script at runtime, use the binary left-shift operator to left-shift 1 by the layer. The result is a layermask that represents the single layer.
using UnityEngine;
public class LayerExample : MonoBehaviour
{
[SerializeField] private int layer = 10;
private int layerAsLayerMask;
private void Start()
{
layerAsLayerMask = (1 << layer);
}
}
Introduction to layerMasks
Add a layer to a layerMask
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