sprite: move to exp/sprite.

Change-Id: Idfdc0c192d7e6d50e1063b2eb582bbe05294643a
Reviewed-on: https://go-review.googlesource.com/11230
Reviewed-by: David Crawshaw <crawshaw@golang.org>

README.md

@@ -15,7 +15,7 @@ documentation serves as a starting point:
 
 - [mobile/app](http://godoc.org/golang.org/x/mobile/app)
 - [mobile/gl](http://godoc.org/golang.org/x/mobile/gl)
-- [mobile/sprite](http://godoc.org/golang.org/x/mobile/sprite)
+- [mobile/exp/sprite](http://godoc.org/golang.org/x/mobile/exp/sprite)
 - [mobile/audio](http://godoc.org/golang.org/x/mobile/audio)
 - [mobile/sensor](http://godoc.org/golang.org/x/mobile/sensor)
 - [mobile/cmd/gomobile](http://godoc.org/golang.org/x/mobile/cmd/gomobile)

example/audio/main.go

@@ -40,12 +40,12 @@ import (
 	"golang.org/x/mobile/app"
 	"golang.org/x/mobile/app/debug"
 	"golang.org/x/mobile/audio"
+	"golang.org/x/mobile/exp/sprite"
+	"golang.org/x/mobile/exp/sprite/clock"
+	"golang.org/x/mobile/exp/sprite/glsprite"
 	"golang.org/x/mobile/f32"
 	"golang.org/x/mobile/geom"
 	"golang.org/x/mobile/gl"
-	"golang.org/x/mobile/sprite"
-	"golang.org/x/mobile/sprite/clock"
-	"golang.org/x/mobile/sprite/glsprite"
 )
 
 const (

example/sprite/main.go

@@ -37,11 +37,11 @@ import (
 	"golang.org/x/mobile/app"
 	"golang.org/x/mobile/app/debug"
 	"golang.org/x/mobile/event"
+	"golang.org/x/mobile/exp/sprite"
+	"golang.org/x/mobile/exp/sprite/clock"
+	"golang.org/x/mobile/exp/sprite/glsprite"
 	"golang.org/x/mobile/f32"
 	"golang.org/x/mobile/gl"
-	"golang.org/x/mobile/sprite"
-	"golang.org/x/mobile/sprite/clock"
-	"golang.org/x/mobile/sprite/glsprite"
 )
 
 var (

exp/sprite/clock/clock.go

@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package clock provides a clock and time functions for a sprite engine.
-package clock // import "golang.org/x/mobile/sprite/clock"
+package clock // import "golang.org/x/mobile/exp/sprite/clock"
 
 // A Time represents an instant in sprite time.
 //

exp/sprite/glsprite/glsprite.go

@@ -6,17 +6,17 @@
 //
 // Each sprite.Texture is loaded as a GL texture object and drawn
 // to the screen via an affine transform done in a simple shader.
-package glsprite // import "golang.org/x/mobile/sprite/glsprite"
+package glsprite // import "golang.org/x/mobile/exp/sprite/glsprite"
 
 import (
 	"image"
 	"image/draw"
 
+	"golang.org/x/mobile/exp/sprite"
+	"golang.org/x/mobile/exp/sprite/clock"
 	"golang.org/x/mobile/f32"
 	"golang.org/x/mobile/geom"
 	"golang.org/x/mobile/gl/glutil"
-	"golang.org/x/mobile/sprite"
-	"golang.org/x/mobile/sprite/clock"
 )
 
 type node struct {

exp/sprite/portable/portable.go

@@ -7,16 +7,16 @@
 // It is intended to serve as a reference implementation for testing
 // other sprite Engines written against OpenGL, or other more exotic
 // modern hardware interfaces.
-package portable // import "golang.org/x/mobile/sprite/portable"
+package portable // import "golang.org/x/mobile/exp/sprite/portable"
 
 import (
 	"image"
 	"image/draw"
 
+	"golang.org/x/mobile/exp/sprite"
+	"golang.org/x/mobile/exp/sprite/clock"
 	"golang.org/x/mobile/f32"
 	"golang.org/x/mobile/geom"
-	"golang.org/x/mobile/sprite"
-	"golang.org/x/mobile/sprite/clock"
 )
 
 // Engine builds a sprite Engine that renders onto dst.

exp/sprite/sprite.go

@@ -7,7 +7,7 @@
 // A tree of nodes is drawn by a rendering Engine, provided by another
 // package. The OS-independent Go version based on the image package is:
 //
-//	golang.org/x/mobile/sprite/portable
+//	golang.org/x/mobile/exp/sprite/portable
 //
 // An Engine draws a screen starting at a root Node. The tree is walked
 // depth-first, with affine transformations applied at each level.
@@ -22,14 +22,14 @@
 //		modify the scene's nodes and animations (Arranger values)
 //		e.Render(scene, t)
 //	}
-package sprite // import "golang.org/x/mobile/sprite"
+package sprite // import "golang.org/x/mobile/exp/sprite"
 
 import (
 	"image"
 	"image/draw"
 
+	"golang.org/x/mobile/exp/sprite/clock"
 	"golang.org/x/mobile/f32"
-	"golang.org/x/mobile/sprite/clock"
 )
 
 type Arranger interface {