hsv2rgb.js

hsv2rgb.js

inlets = 1;
outlets = 3;

function hsb(h, s, v) {
	s = (s == undefined) ? 255.0 : s;
	v = (v == undefined) ? 255.0 : v;
	if(s == 0) {
		outlet(0, v);
		outlet(1, v);
		outlet(2, v);
	} else {
		s /= 255.0;
		var i = ((h / 60) ^ 0) % 6,
			f = h / 60 - i;
		var p = v * (1.0 - s),
			q = v * (1.0 - s * f),
			t = v * (1.0 - s * (1 - f));
		var r, g, b;
		switch(i) {
			case 0: r = v, g = t, b = p; break;
			case 1: r = q, g = v, b = p; break;
			case 2: r = p, g = v, b = t; break;
			case 3: r = p, g = q, b = v; break;
			case 4: r = t, g = p, b = v; break;
			case 5: r = v, g = p, b = q; break;
		}
		outlet(0, r);
		outlet(1, g);
		outlet(2, b);
	}
}