Update examples to use new scene/stage system.

1 files changed, 11 insertions, 12 deletions

diff --git a/examples/coroutine.scm b/examples/coroutine.scm
index 2f9b0ae..bdfc973 100644
--- a/examples/coroutine.scm
+++ b/examples/coroutine.scm
@@ -7,31 +7,30 @@
              (2d stage)
              (2d vector2))
 
-(define (demo-sprite)
-  (load-sprite "images/ghost.png"
-               #:position (vector2 320 240)))
-
-(define (init)
+(define (enter sprite)
   ;; Simple script that moves the sprite to a random location every
   ;; second.
-  (stage-define sprite (demo-sprite))
   (agenda-schedule
    (colambda ()
      (while #t
        (set-sprite-position!
-        (stage-ref sprite)
+        sprite
         (vector2 (random (vx (game-resolution coroutine-demo)))
                  (random (vy (game-resolution coroutine-demo)))))
        (wait 60)))))
 
-(define demo-scene
+(define coroutine-scene
   (make-scene
-   #:init init
-   #:draw (lambda () (draw-sprite (stage-ref sprite)))))
+   "Coroutine"
+   #:init (lambda ()
+            (load-sprite "images/ghost.png"
+                         #:position (vector2 320 240)))
+   #:enter enter
+   #:draw draw-sprite))
 
 (define coroutine-demo
   (make-game
-   #:title       "Coroutines"
-   #:first-scene demo-scene))
+   #:title "Coroutines"
+   #:first-scene coroutine-scene))
 
 (run-game coroutine-demo)