From: Tomas Wenström <tomas.wenstrom@gmail.com>
Date: Tue, 14 Jul 2020 15:32:01 +0000 (+0200)
Subject: Avoid division by zero
X-Git-Url: http://dolda2000.com/gitweb/?p=kaka%2Fcakelight.git;a=commitdiff_plain;h=579c24625e93b67fd74245fe835cb34906ee7090;hp=24b1277d50108de77be57be213e938777d6803ad

Avoid division by zero
---

diff --git a/src/kaka/cakelight/Color.java b/src/kaka/cakelight/Color.java
index 0332371..5ea98cd 100644
--- a/src/kaka/cakelight/Color.java
+++ b/src/kaka/cakelight/Color.java
@@ -73,12 +73,16 @@ public class Color {
         s = delta / max;
 
         // Hue
-        if (r == max) {
-            h = (g - b) / delta; // between yellow & magenta
-        } else if (g == max) {
-            h = 2 + (b - r) / delta; // between cyan & yellow
+        if (delta > 0) {
+            if (r == max) {
+                h = (g - b) / delta; // between yellow & magenta
+            } else if (g == max) {
+                h = 2 + (b - r) / delta; // between cyan & yellow
+            } else {
+                h = 4 + (r - g) / delta; // between magenta & cyan
+            }
         } else {
-            h = 4 + (r - g) / delta; // between magenta & cyan
+            h = 0;
         }
 
         h /= 6.0;