title: Trail renderer always black?
body: <p>For some reason the 2D trail renderer stays black no matter what I do to change the color. Any idea why?</p>
  
  <p><a href="https://i.stack.imgur.com/YeW2K.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YeW2K.png" alt="enter image description here"></a></p>