Violent Child Behaviour

My son is 2 years 10 months old. He is an intelligent child, but he has a bad habit of hitting his friends. Initially, he used to push away his friends while playing, but now he has started throwing toys at his friends. This is his way of playing, but his bad habits can hurt people.

We've always tried to teach him that this behavior is bad, but he is getting worse. I'm afraid that we are not teaching him in the right way or in a way that he can understand. How can we put a stop to this violent child behavior?

Please help me. These days we have stopped his visits to friends' houses.

Thanks & regards.