Color Gradients 2-11

clrGrad_2_11.pde

int count = 16;
float w;
color[] palette;

void setup() {
  size(512, 128);
  noStroke();
  rectMode(CORNERS);
  
  palette = genPalette(count, 
    10, 180, 270, 
    99, 69, 
    69, 99);
  w = width / float(count);
}

void draw() {
  for (int i = 0; i < count; ++i) {
    fill(palette[i]);
    rect(i * w, 0, (i + 1) * w, height);
  }
}

color[] genPalette(int colorCount, 
  int hueOffset, int hueMin, int hueMax, 
  int satMin, int satMax, 
  int briMin, int briMax) {

  color[] result = new color[colorCount];

  float hue = random(hueMin, hueMax); 
  float percent;
  
  pushStyle();
  colorMode(HSB, 359, 99, 99);
  for (int j = 0; j < colorCount; ++j) {
    percent = j / float(colorCount - 1);
    result[j] = color((hue + j * hueOffset) % 360, 
      lerp(satMin, satMax, percent), 
      lerp(briMin, briMax, percent));
  }
  popStyle();
  
  return result;
}