如何在点击时检查SKSpriteNode正在运行的SKTexture

I'm animating an SKSpriteNode with an array of textures T. Once i click i need to set a different animation depending on the ACTUAL texture that is running (Ex: Animating with 0-5 textures, I click at the moment when texture2 is visible, i check WHICH texture is visible (texture2) then do animation correspondent (animation2). I'm animating an SKSpriteNode with an array of