diff --git a/main.js b/main.js
index 1ba74caf..f65f245d 100644
--- a/main.js
+++ b/main.js
@@ -12,6 +12,21 @@ const TIME = !PRODUCTION;
 const WARN = 1;
 const ERROR = 1;
 
+// constants to link density values to number of cells
+const POINTS_1K = 1;
+const POINTS_2K = 2;
+const POINTS_5K = 3;
+const POINTS_10K = 4;
+const POINTS_20K = 5;
+const POINTS_30K = 6;
+const POINTS_40K = 7;
+const POINTS_50K = 8;
+const POINTS_60K = 9;
+const POINTS_70K = 10;
+const POINTS_80K = 11;
+const POINTS_90K = 12;
+const POINTS_100K = 13;
+
 // if map version is not stored, clear localStorage and show a message
 if (rn(localStorage.getItem("version"), 2) !== rn(version, 2)) {
   localStorage.clear();
@@ -615,11 +630,11 @@ function generateSeed() {
 // Place points to calculate Voronoi diagram
 function placePoints() {
   TIME && console.time("placePoints");
-  let cellsDesired = 10000 * (+densityInput.value - 3); // generate 10k points for each densityInput point
+  let cellsDesired = 10000 * (+densityInput.value - POINTS_5K); // generate 10k points for each densityInput point
   switch (+densityInput.value) {
-    case 1: cellsDesired = 1000; break;
-    case 2: cellsDesired = 2000; break;
-    case 3: cellsDesired = 5000; break;
+    case POINTS_1K: cellsDesired = 1000; break;
+    case POINTS_2K: cellsDesired = 2000; break;
+    case POINTS_5K: cellsDesired = 5000; break;
   }
   const spacing = grid.spacing = rn(Math.sqrt(graphWidth * graphHeight / cellsDesired), 2); // spacing between points before jirrering
   grid.boundary = getBoundaryPoints(graphWidth, graphHeight, spacing);
diff --git a/modules/heightmap-generator.js b/modules/heightmap-generator.js
index 38179428..b241c78e 100644
--- a/modules/heightmap-generator.js
+++ b/modules/heightmap-generator.js
@@ -187,37 +187,37 @@
 
   function getBlobPower() {
     switch (+densityInput.value) {
-      case 1: return .93;
-      case 2: return .95;
-      case 3: return .96;
-      case 4: return .98;
-      case 5: return .985;
-      case 6: return .987;
-      case 7: return .9892;
-      case 8: return .9911;
-      case 9: return .9921;
-      case 10: return .9934;
-      case 11: return .9942;
-      case 12: return .9946;
-      case 13: return .995;
+      case POINTS_1K: return .93;
+      case POINTS_2K: return .95;
+      case POINTS_5K: return .96;
+      case POINTS_10K: return .98;
+      case POINTS_20K: return .985;
+      case POINTS_30K: return .987;
+      case POINTS_40K: return .9892;
+      case POINTS_50K: return .9911;
+      case POINTS_60K: return .9921;
+      case POINTS_70K: return .9934;
+      case POINTS_80K: return .9942;
+      case POINTS_90K: return .9946;
+      case POINTS_100K: return .995;
     }
   }
 
   function getLinePower() {
     switch (+densityInput.value) {
-      case 1: return .74;
-      case 2: return .75;
-      case 3: return .78;
-      case 4: return .81;
-      case 5: return .82;
-      case 6: return .83;
-      case 7: return .84;
-      case 8: return .855;
-      case 9: return .87;
-      case 10: return .885;
-      case 11: return .91;
-      case 12: return .92;
-      case 13: return .93;
+      case POINTS_1K: return .74;
+      case POINTS_2K: return .75;
+      case POINTS_5K: return .78;
+      case POINTS_10K: return .81;
+      case POINTS_20K: return .82;
+      case POINTS_30K: return .83;
+      case POINTS_40K: return .84;
+      case POINTS_50K: return .855;
+      case POINTS_60K: return .87;
+      case POINTS_70K: return .885;
+      case POINTS_80K: return .91;
+      case POINTS_90K: return .92;
+      case POINTS_100K: return .93;
     }
   }
 
diff --git a/modules/ui/options.js b/modules/ui/options.js
index 26deb348..25a927b0 100644
--- a/modules/ui/options.js
+++ b/modules/ui/options.js
@@ -277,13 +277,13 @@ function copyMapURL() {
 
 function changeCellsDensity(value) {
   switch (value) {
-    case 1 : densityOutput.value = "1K"; break;
-    case 2 : densityOutput.value = "2K"; break;
-    case 3 : densityOutput.value = "5K"; break;
-    default: densityOutput.value = (value-3) * 10 + "K"; 
+    case POINTS_1K : densityOutput.value = "1K"; break;
+    case POINTS_2K : densityOutput.value = "2K"; break;
+    case POINTS_5K : densityOutput.value = "5K"; break;
+    default: densityOutput.value = (value-POINTS_5K) * 10 + "K"; 
   }
-  if (value > 9) densityOutput.style.color = "#b12117";
-  else if (value > 4) densityOutput.style.color = "#dfdf12";
+  if (value > POINTS_50K) densityOutput.style.color = "#b12117";
+  else if (value > POINTS_10K) densityOutput.style.color = "#dfdf12";
   else densityOutput.style.color = "#038603";
 }