(hash-set! active-views ',name (lambda () (video:glmatrix-block ,content)))
',name))
-(define-macro (lambda-mesh . content)
- `(lambda () ,content))
+(define (mesh primitive)
+ (let ((x 0) (y 0) (z 0)
+ (ax 0) (ay 0) (az 0)
+ (rx 0) (ry 0) (rz 0)
+ (id (gensym)))
+ (let ((get-properties
+ (lambda ()
+ `((id . ,id) (x . ,x) (y . ,y) (z . ,z) (ax . ,ax) (ay . ,ay) (az . ,az) (rx . ,rx) (ry . ,ry) (rz . ,rz)))))
+ (lambda (option . params)
+ (case option
+ ((draw)
+ (video:glmatrix-block
+ (video:rotate rx ry rz)
+ (video:translate x y z)
+ (video:rotate ax ay az)
+ (primitive)))
+ ((translate)
+ (set! x (+ x (car params)))
+ (set! y (+ y (cadr params)))
+ (set! z (+ z (caddr params))))
+ ((get-properties)
+ (get-properties))
+ ((get-property)
+ (assoc-ref (get-properties) (car params))))))))
-(define-macro (define-basic-meshes . symbols)
+(define* (show-mesh mesh #:optional (view default-view))
+ (let ((id (mesh 'get-property 'id)))
+ (if (not (hash-ref view id))
+ (hash-set! view id mesh))))
+
+(define* (hide-mesh mesh #:optional (view default-view))
+ (hash-remove! view (mesh 'get-property 'id)))
+
+(define* (translate mesh x y #:optional (z 0))
+ (mesh 'translate x y z)
+ mesh)
+
+(define-macro (define-primitives . symbols)
(cond ((null? symbols)
`#t)
(else
`(begin
- (define (,(caar symbols) . params) (lambda-visible (video:glmatrix-block (apply ,(cadar symbols) params))))
- (define-basic-meshes ,@(cdr symbols))))))
+ (define (,(caar symbols) . params) (mesh (lambda () (apply ,(cadar symbols) params))))
+ (define-primitives ,@(cdr symbols))))))
-(define-basic-meshes
+(define-primitives
(rectangle video:draw-rectangle)
(square video:draw-square))
+
(module-map (lambda (sym var)
(if (not (eq? sym '%module-public-interface))
(module-export! (current-module) (list sym))))