function setup() {
createCanvas(200,200);
background(200);
}
function draw() {
beginShape();
vertex(100,5);
vertex(116,45);
vertex(160,45);
vertex(123,70);
vertex(140,120);
vertex(100,90);
vertex(62,120);
vertex(80,70);
vertex(40,45);
vertex(85,45);
endShape(CLOSE);
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.1.9/p5.min.js"></script>