specify whether flixel projects need to pass html5/c++ compilation

projects/nat-flixel-desktop-playground/source/EntrySprite.kiss

@@ -0,0 +1,19 @@
+(loadFrom "nat-archive-tool" "src/nat/Lib.kiss")
+
+(defNew [:String positionKey
+            &prop :Archive archive
+            &prop :Entry e]
+    (let [images (readComponent archive e Images)]
+        (case (dictGet (readComponent archive e Positions) positionKey)
+            ((object x x y y z z)
+                (super x y)))
+        (.onComplete (BitmapData.loadFromFile (joinPath archive.archiveDir "files" (nth images.imageFiles images.pinnedImageIndex)))
+            ->bitmapData {
+                (loadGraphic bitmapData)
+                (enableMouseClicks false)
+                (enableMouseDrag)
+             }))
+    (set mouseStopDragCallback
+        ->[self _dx _dy]
+            (withWritableComponents archive e [positions Positions]
+                (dictSet positions positionKey (object x (cast this.x Float) y (cast this.y Float) z 0.0)))))