Remember that we own dogs and cats own us! All the cats I have ever had have always done their own thing, and have had rescue cats, and a cat that needed a home after being in a cattery, and a feral cat All sorts of cats, but the rule remains. So if you can find it I would read an old book called the Silent Miaow, by Paul Gallico who wrote the Snow Goose. A good read to get into some of the cat attitudes. Then you will find that no cat likes being laughed at , or being seen making a mistake. One cat I had made a misjudgement on a leap and fell to the floor. She wasnt hurt, but somewhat furious about humans seeing her. She sat with her back to us swishing her tail and ears back for quite some time! So they seem aware of your trying too hard and are quite contrary animals. So one you might try is buying a catnip mouse, which most cats love and its like an addiction to them. If you are the catnip mouse holder you will get their attention. Then dont approach them head on but sit sideways to them and try twirling some wool or strip of thin material for them to catch and play with. Alternatively , as they can be contrary, do not look directly at them, take a seat and basically ignore them. That usually means they decide to come and visit. Enjoy your slavery to a cat. I have always found it worth while