Is it normal my dad behaves this way? are these sexual?

I am now in my late 20's and dont live with my parents anymore but whenever I am around my dad I feel uneasy like I am trying to protect my space and not come close to him, whenever he wants to show me photos of sth I just tell him to whatsapp me and I'll check them later cause I dont want to sit next to him. My memory doesn't date back to any instance other than the following: I was around 14-15 and was sitting on our dining desk studying or sth, I was between the desk and kitchen counter on a dining chair so only my neck area was 'not' covered by the furniture, my dad tried to reach to his chargers in the corner and he swept his crotch onto my neck I was shocked and sorta frozen and on the way (5-10 secs after) back same thing happened. I stood up and tried to measure the space whether it could allow him without swepting but couldnt concentrate. I cried that day and told it to my mom, probably after that she told him to be more careful around me. When I was around 21-25 I catched him looking at me behind his sunglasses with a smile, and one day that summer he said to my mum what a nice body I have (probably thinking i inherited from both of them and feeling proud) And he has this thing rubbing his crotch while around me (and around my mom and his sister also men relatives-so people he feels close to) also he opens and closes his legs like a tick while sitting trying to pressure his penis- I dont know whether due to arousal. So these were over the years stacking stuff lately my mom saw him checking out girls that were aged 16-18 at a casino, he claims he was looking at the screen of his playing friend and even got offended he was blamed with such thing. I dont know the whole story there he told me his side, then my mom told me hers. Wdyt is he a pervert or just a sexually repressed guy ( i know their sex life wasn't healthy) ?

Is it normal my dad behaves this way? are these sexual?
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