stairs region corrected

src/engine/objects/Regions.java

@@ -170,10 +170,10 @@ public class Regions {
             return true;
 
         //next region is stairs, if they are on the same level as stairs or 1 up, world object can enter.
-        if (toEnter.stairs)
+        if (toEnter.isStairs())
             if (worldObject.region.level == toEnter.level || toEnter.level - 1 == worldObject.region.level)
                 return true;
-        if (worldObject.region.stairs) {
+        if (worldObject.region.isStairs()) {
 
             boolean movingUp = false;
 
@@ -239,7 +239,7 @@ public class Regions {
             return true;
 
         //cant move up a level without stairs.
-        if (!fromRegion.stairs)
+        if (!fromRegion.isStairs())
             return false;
 
         boolean movingUp = false;
@@ -367,7 +367,8 @@ public class Regions {
     }
 
     public boolean isStairs() {
-        return stairs;
+
+        return this.highLerp.y - this.lowLerp.y > 0.25f;
     }
 
     public boolean isExit() {