Switch to Catbird engine.

1 files changed, 8 insertions, 2 deletions

diff --git a/bonnie-bee/background.scm b/bonnie-bee/background.scm
index f374556..9434993 100644
--- a/bonnie-bee/background.scm
+++ b/bonnie-bee/background.scm
@@ -11,8 +11,8 @@
   #:use-module (chickadee scripting)
   #:use-module (chickadee utils)
   #:use-module (oop goops)
-  #:use-module (starling node)
-  #:use-module (starling node-2d)
+  #:use-module (catbird node)
+  #:use-module (catbird node-2d)
   #:export (<background>
             scroll-y))
 
@@ -94,6 +94,12 @@ void main (void) {
   (geometry #:getter geometry #:init-thunk make-background-geometry)
   (mvp-matrix #:getter mvp-matrix #:init-thunk make-identity-matrix4))
 
+(define-method (default-width (background <background>))
+  (texture-width (texture background)))
+
+(define-method (default-height (background <background>))
+  (texture-height (texture background)))
+
 (define-method (render (background <background>) alpha)
   (let ((mvp (mvp-matrix background))
         (t (texture background)))