diff options
Diffstat (limited to 'examples/scene-graph.scm')
| -rw-r--r-- | examples/scene-graph.scm | 128 |
1 files changed, 74 insertions, 54 deletions
diff --git a/examples/scene-graph.scm b/examples/scene-graph.scm index e0d0a9f..0388b8d 100644 --- a/examples/scene-graph.scm +++ b/examples/scene-graph.scm @@ -39,6 +39,7 @@ (sly sprite) (sly helpers) (sly tileset) + (sly quaternion) (sly wrappers gl)) (load "common.scm") @@ -46,42 +47,59 @@ (define tex (load-texture "images/crate.png")) -(define unit-cube (make-cube 1 #:texture tex)) +(define unit-cube + (scene-node #:children (list (make-cube 1 #:texture tex)) + #:uniforms `(("color" ,white)))) -(define my-scene +(define-signal my-scene (scene-root - (scene-node #:position #(0 0 0) - #:scale (signal-generator - (forever - (yield 1/2) - (wait 30) - (yield 1) - (wait 30) - (yield 2) - (wait 30))) - #:children (list unit-cube)) + (scene-node + #:position #(0 0 0) + #:scale (signal-generator + (forever + (yield 1/2) + (wait 30) + (yield 1) + (wait 30) + (yield 2) + (wait 30))) + #:children (list unit-cube)) (signal-map (lambda (down?) - (scene-node #:position #(0 2 0) - #:scale (if down? (transition 2 3/2 15) 3/2) - #:children (list unit-cube))) + (scene-node + #:position #(0 2 0) + #:scale (if down? (transition 2 3/2 15) 3/2) + #:children (list unit-cube))) (key-down? 'space)) - (scene-node #:position #(0 4 0) - #:children (list unit-cube)) - (scene-node #:position #(0 6 0) - #:scale 1/2 - #:children (list unit-cube)) - (scene-node #:position #(3 0 0) - #:scale 2 - #:children (list unit-cube)) - (scene-node #:position #(-3 0 0) - #:scale 2 - #:children (list - unit-cube - (scene-node #:position (transition #(0 2 0) - #(0 1 0) - 120) - #:children (list unit-cube)))))) + (scene-node + #:position #(0 4 0) + #:children (list unit-cube)) + (scene-node + #:position #(0 6 0) + #:scale 1/2 + #:children (list unit-cube)) + (scene-node + #:position #(3 0 0) + #:scale 2 + #:children (list unit-cube)) + (scene-node + #:position #(-3 0 0) + #:scale 2 + #:children (list + (scene-node + #:rotation (transition + (axis-angle->quaternion + #(0 0 1) 1) + (axis-angle->quaternion + (normalize #(0 0 1)) + (/ (* 7 pi) 4)) + 90) + #:children (list unit-cube)) + (scene-node + #:position (transition #(0 2 0) + #(0 1 0) + 120) + #:children (list unit-cube)))))) (define animation (let ((tiles (load-tileset "images/princess.png" 64 64))) @@ -96,24 +114,29 @@ (define font (load-default-font 16)) -(define gui +(define-signal gui (scene-root - (scene-node #:position #(100 100) - #:children (list (make-animated-sprite animation 6))) - (scene-node #:translate #(10 10) - #:rotation -1/8 - #:children (list - (signal-generator - (let ((message "Testing the scene graph")) - (forever - (let loop ((i 1)) - (when (<= i (string-length message)) - (yield (make-label font - (substring message 0 i) - #:color red)) - (wait 3) - (loop (1+ i)))) - (wait 60)))))))) + (scene-node + #:position #(100 100) + #:children (list (make-animated-sprite animation 6))) + (scene-node + #:translate #(10 10) + ;; #:rotation -1/8 + #:children (list + (scene-node + #:uniforms `(("color" ,white)) + #:children (list + (signal-generator + (let ((message "Testing the scene graph")) + (forever + (let loop ((i 1)) + (when (<= i (string-length message)) + (yield (make-label font + (substring message 0 i) + #:color red)) + (wait 3) + (loop (1+ i)))) + (wait 60)))))))))) (define camera (make-camera my-scene @@ -141,12 +164,9 @@ #:clear-color tango-aluminium-5)) (define camera4 - (make-camera gui - identity-transform - (orthographic-projection 0 640 0 480 0 1) - (make-rect 0 0 640 480) - #:clear-color tango-aluminium-6 - #:clear-flags '(depth-buffer))) + (orthographic-camera gui 640 480 + #:clear-flags '(depth-buffer) + #:clear-color tango-aluminium-6)) (with-window (make-window #:title "Scene Graph") (start-game-loop (list camera camera2 camera3 camera4))) |