ios - Where are SKNode positioned in the responder chain? -

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sknode inherits nsresponder i'm having trouble understanding how nodes included in responder chain , inserted.

for example, how sknode receive mousedown: message?

when view clicked, hit testing process occurs determine deepest view @ hit location , mousedown: sent responder chain point.

sknodes not views cannot send message directly (because it handled skview). how included in responder chain?


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