Function areaTriangle

libraries/p5.js:29765–29767

(a, b, c)

}

function areaTriangle(a, b, c) {
  return (((b[0] - a[0]) * (c[1] - a[1])) - ((c[0] - a[0]) * (b[1] - a[1])));
}

// Portions of below code copyright 2008 Dmitry Baranovskiy (via MIT license)