Version: 5.5

Physics2D.SetLayerCollisionMask

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public static void SetLayerCollisionMask (int layer, int layerMask);

Parameters

layer The layer to set the collision layer mask for.
layerMask A mask where each bit indicates a layer and whether it can collide with layer or not.

Description

Set the collision layer mask that indicates which layer(s) the specified layer can collide with.