HSB色空間

/**
* HSB
*
* @author aa_debdeb
* @date 2016/03/29
*/

float angStep = 1.0;

void setup(){
  size(500, 500);
  noStroke();
  colorMode(HSB, 360, 100, 100);
}

void draw(){
  
  translate(width / 2, height / 2);
  for(float ang = 0; ang < 360; ang += angStep){
    float rad1 = radians(ang);
    float rad2 = radians(ang + angStep);
    float s = map(mouseX, 0, width, 0, 100);
    float b = map(mouseY, 0, height, 0, 100);
    fill(ang, s, b);
    arc(0, 0, 1000, 1000, rad1, rad2);
  }
}