Implemented variables properly.

scripts/units/position.js

@@ -8,6 +8,11 @@ function Position(position_str = "0,0",y = null)
   this.x = y ? position_str : parseFloat(this.position_str.split(",")[0]);
   this.y = y ? y : parseFloat(this.position_str.split(",")[1]);
   
+  this.add = function(position)
+  {
+    return new Position(this.x + position.x, this.y + position.y);
+  }
+  
   this.is_equal = function(target)
   {
     if(target.x == this.x && target.y == this.y){ return true; }

scripts/units/variable.js

@@ -4,7 +4,10 @@ function Variable(key,value)
   
   this.candidates = [];
   this.key = key;
-  this.value = value;
+  
+  if(value == "true"){ this.value = true; }
+  else if(value == "false"){ this.value = false; }
+  else{ this.value = value; }
   
   this.render = function()
   {