title: How can i create a 2D 'curve' collider
body: <p>I'm trying to search an smart way to create curves like the next one (using Unity3d 2D part (without using mesh collider))) , but i didn't found one</p>
  
  <p><img src="https://i.stack.imgur.com/9kKqX.png" alt="enter image description here"></p>
  
  <p>Any help would be appreciated.</p>