animate/Catalogue/Scripts/lerp.js

function LerpRGB(a, b, t) {
  if (t < 0) {
    t *= -1;
  }
  var newColor = [0, 0, 0];
  newColor[0] = a[0] + (b[0] - a[0]) * t;
  newColor[1] = a[1] + (b[1] - a[1]) * t;
  newColor[2] = a[2] + (b[2] - a[2]) * t;
  return newColor;
}