Add tile map example.

* examples/images/tiles.png: New file.
* examples/map/example.tmx: New file.
* examples/tiled.scm: New file.
* Makefile.am (EXTRA_DIST): Add them.
* examples/images/AUTHORS: Credit the author of the tileset.

1 files changed, 31 insertions, 0 deletions

diff --git a/examples/tiled.scm b/examples/tiled.scm
new file mode 100644
index 0000000..9e42301
--- /dev/null
+++ b/examples/tiled.scm
@@ -0,0 +1,31 @@
+(use-modules (chickadee)
+             (chickadee math vector)
+             (chickadee math rect)
+             (chickadee render tiled)
+             (ice-9 match))
+
+(define map #f)
+(define camera (vec2 0.0 0.0))
+
+(define (load)
+  (set! map (load-tile-map "maps/example.tmx")))
+
+(define (draw alpha)
+  (draw-tile-map map #:position camera))
+
+(define inc 8.0)
+(define (key-press key scancode modifiers repeat?)
+  (match key
+    ('up (set-vec2-y! camera (- (vec2-y camera) inc)))
+    ('down (set-vec2-y! camera (+ (vec2-y camera) inc)))
+    ('right (set-vec2-x! camera (- (vec2-x camera) inc)))
+    ('left (set-vec2-x! camera (+ (vec2-x camera) inc)))
+    ('q (abort-game))
+    (_ #t)))
+
+(add-hook! load-hook load)
+(add-hook! draw-hook draw)
+(add-hook! key-press-hook key-press)
+(add-hook! quit-hook abort-game)
+
+(run-game #:window-width 320 #:window-height 240 #:window-title "tile map demo")