More MenuBGAnim stuff. Now REAL background UK-MOVE style.

stepmania/Themes/default/metrics.ini

@@ -690,6 +690,12 @@ HowToPlay=Toggle whether the How To Play screen is shown.
 // NULL = no effect
 // RC = Rotate Clockwise
 // RA = Rotate AntiClockwise
+// FH = Flip Horizontally
+// FV = Flip Vertically
+// SL = Scroll Left, works ideally with Unzoomed (1.0) images that are the size of the screen (e.g. 640x480)
+//      basically, it scrolls a large background image left, and wraps it so that it appears to go on forever.
+//      the limitation is... that it only works for images of width 640.
+//      use an image smaller or larger than the screen size and you'll likely get unpredictable results.
 //
 // SpriteX-speed :
 // Depending on the EFFECT you choose, the speed (specified as a float, 0.1 for example)
@@ -702,7 +708,7 @@ HowToPlay=Toggle whether the How To Play screen is shown.
 [bganims-ez2-0]
 NumElements=1
 Sprite0-path=select style preview game 2 style 3
-Sprite0-effect=RC
+Sprite0-effect=RA
 Sprite0-speed=0.01
 Sprite0-zoom=2.0
 Sprite0-X=CENTER_X
@@ -717,7 +723,7 @@ Sprite0-zoom=2.0
 Sprite0-X=CENTER_X
 Sprite0-Y=CENTER_Y
 
-[bganims-ez2-2]
+[bganims-ez2-2x]
 NumElements=1
 Sprite0-path=select style preview game 2 style 1
 Sprite0-effect=RC
@@ -726,6 +732,33 @@ Sprite0-zoom=2.0
 Sprite0-X=CENTER_X
 Sprite0-Y=CENTER_Y
 
+[bganims-ez2-2]
+NumElements=4
+Sprite0-path=Real Anim Sprite 04
+Sprite0-effect=SL
+Sprite0-speed=5
+Sprite0-zoom=1.0
+Sprite0-X=CENTER_X
+Sprite0-Y=CENTER_Y
+Sprite1-path=Real Anim Sprite 01
+Sprite1-effect=SL
+Sprite1-speed=5
+Sprite1-zoom=1.0
+Sprite1-X=CENTER_X
+Sprite1-Y=CENTER_Y
+Sprite2-path=Real Anim Sprite 02
+Sprite2-effect=SL
+Sprite2-speed=3
+Sprite2-zoom=1.0
+Sprite2-X=CENTER_X
+Sprite2-Y=CENTER_Y
+Sprite3-path=Real Anim Sprite 03
+Sprite3-effect=SL
+Sprite3-speed=1
+Sprite3-zoom=1.0
+Sprite3-X=CENTER_X
+Sprite3-Y=CENTER_Y
+
 [bganims-ez2-3]
 NumElements=1
 Sprite0-path=select style preview game 2 style 2