Change rounding to flooring for color calculations

Author: xcontcom

cnn/cnn2.js

@@ -221,27 +221,27 @@ function drawFractal() {
 				color = `hsl(${v * 360},100%,50%)`;
 			}
 			else if (mode === "binary") {
-				const s = Math.round(raw);
+				const s = Math.floor(raw);
 				const r = ((s % 2) + 2) % 2;
 				color = (r === 0) ? "#000" : "#fff";
 			}
 			else if (mode === "rgb") {
-				const s = Math.round(raw);
+				const s = Math.floor(raw);
 				const p = ["#f00", "#0f0", "#00f"];
 				color = p[((s % 3) + 3) % 3];
 			}
 			else if (mode === "mod4") {
-				const s = Math.round(raw);
+				const s = Math.floor(raw);
 				const r = ((s % 4) + 4) % 4;
 				color = (r === 0 || r === 1) ? "#000" : "#fff";
 			}
 			else if (mode === "livingstone") {
-				const s = Math.round(raw);
+				const s = Math.floor(raw);
 				const p = ["#000", "#5f5", "#f55", "#ff5"];
 				color = p[((s % 4) + 4) % 4];
 			}
 			else if (mode === "alleycat") {
-				const s = Math.round(raw);
+				const s = Math.floor(raw);
 				const p = ["#000", "#5ff", "#f5f", "#fff"];
 				color = p[((s % 4) + 4) % 4];
 			}