Added weighted values for magnitudes

IRONKLADD · May 5, 2015 · c1fb322 · c1fb322
1 parent e633050
commit c1fb322
Showing 1 changed file with 17 additions and 1 deletion.
diff --git a/src/core/Configuration.js b/src/core/Configuration.js
@@ -9,8 +9,24 @@ function Configuration(width, height, colors, magnitudes, specials, types, turns
 
     this.getRandomShell = function() {
         return new Shell(Util.selectRandom(colors),
-                         Util.selectRandom(magnitudes),
+                         weightedMagnitude(),
                          Util.selectRandom(types),
                          Util.selectRandom(specials));
     }
+    function weightedMagnitude(){
+        var weights = new Map([]);
+        weights.set(1, .40);
+        weights.set(2, .30);
+        weights.set(3, .15);
+        weights.set(4, .10);
+        weights.set(5, .05);
+        var p = 1 - Math.random();
+        for(var i = 1; i <= 5 ; i++){
+            var current = weights.get(i)
+            p = p - current;
+            if(p <= 0){
+                return i;
+            }
+        }
+    }
 }