float3 The left axis.
Unity's left axis (-1, 0, 0).
Matches <a href="/api/v1/web-embed/proxy?proxyUrl=https%3A%2F%2Fdocs.unity3d.com%2FScriptReference%2FVector3-left.html&mode=full">https://docs.unity3d.com/ScriptReference/Vector3-left.html</a>