/**
 * Given some points with color attached, calculate the color for a new point
 * @param  p The new point position {x: number, y: number}
 * @param  points The array of given colored points [{x: nember, y: number, c: hexColor}]
 * @return hex color string -- The weighted color mix
 */
static Color multiPointGradientPixel(DoublePt p, LPair<DoublePt, Color> gradientPoints) {
  double[] colorRatios = new [gradientPoints.length];
  fillArray(colorRatios, 1);
  
  for i over gradientPoints:
    for j over gradientPoints:
      if (i != j) {
        double d = getProjectionDistance(gradientPoints.get(i).a,
          gradientPoints.get(i).b, p);
        colorRatios[i] *= clampZeroToOne(d.d2);
      }
    
  ret blendMultipleColors(points, countIteratorAsList(l(gradientPoints),
    i -> pair(gradientPoints.get(i).b, colorRatios[i])));
}