Update some of the example programs to use the new API.

* 2d/examples/common.scm: New file.

* 2d/examples/coroutine.scm: Updated.

* 2d/examples/font.scm: Updated.

* 2d/examples/simple.scm: Updated.

* 2d/examples/tilemap.scm: Updated.

5 files changed, 55 insertions, 69 deletions

diff --git a/examples/common.scm b/examples/common.scm
new file mode 100644
index 0000000..15bc53b
--- /dev/null
+++ b/examples/common.scm
@@ -0,0 +1,8 @@
+(use-modules (2d keyboard)
+             (2d repl server))
+
+(spawn-server)
+
+(add-hook! key-press-hook (lambda (key unicode)
+                            (when (eq? key 'escape)
+                              (quit-game))))
diff --git a/examples/coroutine.scm b/examples/coroutine.scm
index 58b3a1b..cd01381 100644
--- a/examples/coroutine.scm
+++ b/examples/coroutine.scm
@@ -1,35 +1,31 @@
 (use-modules (2d agenda)
              (2d coroutine)
              (2d game)
-             (2d scene)
              (2d sprite)
-             (2d stage)
-             (2d vector2))
+             (2d vector2)
+             (2d window))
 
-(define (enter sprite)
-  ;; Simple script that moves the sprite to a random location every
-  ;; second.
-  (agenda-schedule
-   (colambda ()
-     (while #t
-       (set-sprite-position!
-        sprite
-        (vector2 (random (vx (game-resolution coroutine-demo)))
-                 (random (vy (game-resolution coroutine-demo)))))
-       (wait 60)))))
+(load "common.scm")
 
-(define coroutine-scene
-  (make-scene
-   "Coroutine"
-   #:init (lambda ()
-            (load-sprite "images/ghost.png"
-                         #:position (vector2 320 240)))
-   #:enter enter
-   #:draw draw-sprite))
+(define window-width 640)
+(define window-height 480)
 
-(define coroutine-demo
-  (make-game
-   #:title "Coroutines"
-   #:first-scene coroutine-scene))
+(define sprite (load-sprite "images/p1_front.png"
+                            #:position (vector2 320 240)))
 
-(run-game coroutine-demo)
+;; Simple script that moves the sprite to a random location every
+;; second.
+(schedule-interval
+ (lambda ()
+   (set-sprite-position!
+    sprite
+    (vector2 (random window-width)
+             (random window-height))))
+ 60)
+
+(add-hook! draw-hook (lambda (dt alpha) (draw-sprite sprite)))
+
+(with-window (make-window #:title "Coroutines"
+                          #:resolution (vector2 window-width
+                                                window-height))
+  (run-game-loop))
diff --git a/examples/font.scm b/examples/font.scm
index 05eb4bf..465600c 100644
--- a/examples/font.scm
+++ b/examples/font.scm
@@ -3,11 +3,12 @@
              (2d color)
              (2d font)
              (2d game)
-             (2d scene)
-             (2d stage)
-             (2d vector2))
+             (2d vector2)
+             (2d window))
 
-(define (make-demo-textbox)
+(load "common.scm")
+
+(define textbox
   (make-textbox (load-font "fonts/Boxy-Bold.ttf" 48)
                 "The quick brown fox jumped over the lazy dog."
                 (vector2 240 160)
@@ -15,15 +16,7 @@
                 'left
                 200))
 
-(define fonts-scene
-  (make-scene
-   "Fonts"
-   #:init make-demo-textbox
-   #:draw draw-textbox))
-
-(define fonts-demo
-  (make-game
-   #:title "Fonts"
-   #:first-scene fonts-scene))
+(add-hook! draw-hook (lambda (dt alpha) (draw-textbox textbox)))
 
-(run-game fonts-demo)
+(with-window (make-window #:title "Fonts")
+  (run-game-loop))
diff --git a/examples/simple.scm b/examples/simple.scm
index 04711a5..d00a7d0 100644
--- a/examples/simple.scm
+++ b/examples/simple.scm
@@ -1,21 +1,14 @@
 (use-modules (2d game)
-             (2d scene)
              (2d sprite)
-             (2d vector2))
+             (2d vector2)
+             (2d window))
 
-(define (make-demo-sprite)
-  (load-sprite "images/ghost.png"
-               #:position (vector2 320 240)))
+(load "common.scm")
 
-(define simple-scene
-  (make-scene
-   "Simple"
-   #:init make-demo-sprite
-   #:draw draw-sprite))
+(define sprite (load-sprite "images/p1_front.png"
+                            #:position (vector2 320 240)))
 
-(define simple-demo
-  (make-game
-   #:title "Simple Demo"
-   #:first-scene simple-scene))
+(add-hook! draw-hook (lambda (dt alpha) (draw-sprite sprite)))
 
-(run-game simple-demo)
+(with-window (make-window #:title "Simple Sprite Demo")
+  (run-game-loop))
diff --git a/examples/tilemap.scm b/examples/tilemap.scm
index 011136d..6b024c7 100644
--- a/examples/tilemap.scm
+++ b/examples/tilemap.scm
@@ -2,11 +2,13 @@
              (srfi srfi-9)
              (srfi srfi-42)
              (2d game)
-             (2d scene)
              (2d sprite)
              (2d texture)
              (2d tileset)
-             (2d vector2))
+             (2d vector2)
+             (2d window))
+
+(load "common.scm")
 
 ;;;
 ;;; Orthogonal tile map example
@@ -82,15 +84,9 @@
                                     tileset
                                     map-tiles))))
 
-(define tilemap-scene
-  (make-scene
-   "Tilemap"
-   #:init build-map
-   #:draw draw-map-layer))
+(define layer (build-map))
 
-(define tilemap
-  (make-game
-   #:title "Tilemap"
-   #:first-scene tilemap-scene))
+(add-hook! draw-hook (lambda (dt alpha) (draw-map-layer layer)))
 
-(run-game tilemap)
+(with-window (make-window #:title "Tilemap")
+  (run-game-loop))