Improve key transform functions and add scaling macro

src/play_clj/core_2d.clj

@@ -86,3 +86,7 @@
     (texture* (.getKeyFrame animation total-time true)))
   ([{:keys [total-time]} ^Animation animation is-looping?]
     (texture* (.getKeyFrame animation total-time is-looping?))))
+
+(defmacro scaling
+  [key]
+  `(u/static-field-lower :utils :Scaling ~key))

src/play_clj/core_global.clj

@@ -62,7 +62,7 @@
 
 (defmacro key-code
   [key]
-  `~(symbol (str u/main-package ".Input$Keys/" (u/key->static-field key true))))
+  `~(symbol (str u/main-package ".Input$Keys/" (u/key->upper key))))
 
 (defmacro is-pressed?
   [key]

src/play_clj/ui.clj

@@ -15,7 +15,7 @@
 (defmacro drawable
   [type & options]
   `(~(symbol (str u/main-package ".scenes.scene2d.u."
-                  (u/key->class type) "Drawable."))
+                  (u/key->pascal type) "Drawable."))
      ~@options))
 
 (defmacro bitmap-font
@@ -25,8 +25,8 @@
 (defmacro style
   [type & options]
   `(~(symbol (str u/main-package ".scenes.scene2d.ui."
-                  (u/key->class type) "$"
-                  (u/key->class type) "Style."))
+                  (u/key->pascal type) "$"
+                  (u/key->pascal type) "Style."))
      ~@options))
 
 (defmacro skin
@@ -47,7 +47,13 @@
 (defmethod add-to-group! Table
   [[{:keys [^Table object]} children]]
   (doseq [child children]
-    (.add object ^Actor (:object child))))
+    (cond
+      (map? child)
+      (.add object ^Actor (:object child))
+      (keyword? child)
+      (case child
+        :row (.row object)
+        nil))))
 
 (defn add!
   [group children]

src/play_clj/utils.clj

@@ -14,43 +14,43 @@
   [keys]
   (->> keys (map name) (s/join ".") (str main-package ".")))
 
-(defn key->static-field
-  [key upper?]
+(defn key->upper
+  [key]
   (->> (split-key key)
-       (map (if upper? s/upper-case s/lower-case))
-       (s/join "_")
-       symbol))
+       (map s/upper-case)
+       (s/join "_")))
 
-(defn key->class
+(defn key->pascal
   [key]
   (->> (split-key key)
        (map s/capitalize)
-       (s/join "")
-       symbol))
+       (s/join "")))
 
-(defn key->method
+(defn key->camel
   [key]
   (let [parts (split-key key)]
     (->> (rest parts)
          (map s/capitalize)
          (cons (first parts))
-         (s/join "")
-         (str ".")
-         symbol)))
+         (s/join ""))))
+
+(defn key->method
+  [key]
+  (symbol (str "." (key->camel key))))
 
 (defn ^:private static-field
-  [args upper?]
-  (->> (key->static-field (last args) upper?)
+  [args transform-fn]
+  (->> (transform-fn (last args))
        (str (join-keys (butlast args)) "/")
        symbol))
 
 (defmacro static-field-lower
   [& args]
-  `~(static-field args false))
+  `~(static-field args key->camel))
 
 (defmacro static-field-upper
   [& args]
-  `~(static-field args true))
+  `~(static-field args key->upper))
 
 (defn convert-array
   [a]