Add color modes for HSL, binary, RGB, and livingstone

Author: xcontcom

cnn/cnn2.js

@@ -217,10 +217,27 @@ function drawFractal() {
 				const g = Math.floor(v * 255);
 				color = `rgb(${g},${g},${g})`;
 			}
+			else if (mode === "hsl") {
+				color = `hsl(${v * 360},100%,50%)`;
+			}
+			else if (mode === "binary") {
+				const s = Math.round(raw);
+				color = (s % 2 === 0) ? "#000" : "#fff";
+			}
+			else if (mode === "rgb") {
+				const s = Math.round(raw);
+				const p = ["#f00", "#0f0", "#00f"];
+				color = p[((s % 3) + 3) % 3];
+			}
 			else if (mode === "mod4") {
 				const s = Math.round(raw);
 				color = (s % 4 === 0 || s % 4 === 1) ? "#000" : "#fff";
 			}
+			else if (mode === "livingstone") {
+				const s = Math.round(raw);
+				const p = ["#000", "#5f5", "#f55", "#ff5"];
+				color = p[((s % 4) + 4) % 4];
+			}
 			else if (mode === "alleycat") {
 				const s = Math.round(raw);
 				const p = ["#000", "#5ff", "#f5f", "#fff"];