diff options
Diffstat (limited to 'sly/scene.scm')
| -rw-r--r-- | sly/scene.scm | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/sly/scene.scm b/sly/scene.scm index b523c72..e3f00c3 100644 --- a/sly/scene.scm +++ b/sly/scene.scm @@ -24,6 +24,7 @@ (define-module (sly scene) #:use-module (srfi srfi-9) #:use-module (srfi srfi-26) + #:use-module (sly camera) #:use-module (sly mesh) #:use-module (sly quaternion) #:use-module (sly signal) @@ -31,11 +32,14 @@ #:use-module (sly transition) #:export (scene-node make-scene-node - scene-root scene-node? scene-node-position scene-node-scale scene-node-rotation scene-node-uniforms scene-node-children - update-scene-node draw-scene-node)) + update-scene-node draw-scene-node + make-scene + scene? + scene-root + update-scene draw-scene)) (define-record-type <scene-node> (%make-scene-node position scale rotation uniforms children) @@ -128,3 +132,28 @@ (for-each (cut draw-scene-node <> alpha transform (scene-node-uniforms node)) children)))))) + +;;; +;;; Scene +;;; + +(define-record-type <scene> + (make-scene root cameras) + scene? + (root scene-root) + (cameras scene-cameras)) + +(define (update-scene scene) + "Update the nodes within SCENE." + (update-scene-node (scene-root scene))) + +(define (draw-scene scene alpha) + "Draw SCENE from the perspective of CAMERA with interpolation factor +ALPHA." + (for-each (lambda (camera) + (call-with-camera camera + (lambda (projection location) + (draw-scene-node (scene-root scene) + alpha + (transform* projection location))))) + (scene-cameras scene))) |