Add first second floor room

data.json

@@ -65,6 +65,12 @@
             "x" : 12.2938, "y" :6.3119,
             "w" : 2.1082, "h" : 1.4732, "d" : 3.048,
             "color" : "lime"
+        },
+        {
+            "name" : "Loft",
+            "x" : 0, "y" : 5.2832, "z" : 3.048,
+            "w" : 4.9774, "h" : 3.7338, "d" : 3.048,
+            "color" : "navy"
         }
     ]
 }

script.js

@@ -38,7 +38,7 @@ function setPosition(mesh, x, y, z, w, h, d) {
 
     let meshX = x + w/2
     let meshY = y + h/2
-    let meshZ = z - d/2
+    let meshZ = -z - d/2
     mesh.position.x = meshX
     mesh.position.y = meshY
     mesh.position.z = meshZ