p5.js says: It seems that you may have accidentally written "i" instead of "PI" (on line 22 in ator.js [/ator.js:22:41]).

Please correct it to PI if you wish to use the constant from p5.js (http://p5js.org/reference/#/p5/PI) 

Quando carrego o jogo está dando esse erro.

//código do ator
let xAtor = 100;
let yAtor = 366;
let colisao = false;

function mostraAtor(){
  image(imagemDoAtor, xAtor, yAtor, 30, 30);
}

function movimentaAtor(){
  if (keyIsDown(UP_ARROW)){
    yAtor -=3;
  }
  if (keyIsDown(DOWN_ARROW)){
    yAtor +=3    
  }
}

function verificaColisao(){  
  //collideRectCircle(x1, y1, width1, height1, cx, cy, diameter)
  for (let i = 0; i < imagemCarros.length; i = i +1);{
    colisao = collideRectCircle(xCarros[i], yCarros[i], comprimentoCarro, alturaCarro, xAtor, yAtor, 15)
    if (colisao){
      colidiu();
          }
  }
}

function colidiu(){
  yAtor = 366;
}