From: Javier Sancho <jsf@jsancho.org>
Date: Sun, 22 Jul 2012 06:36:09 +0000 (+0200)
Subject: Turn and rotate meshes.
X-Git-Url: https://git.jsancho.org/?a=commitdiff_plain;ds=sidebyside;h=70fe036f20b68f797199dfbc98b8f2d8e8bc07de;p=gacela.git

Turn and rotate meshes.
---

diff --git a/src/views.scm b/src/views.scm
index 63c162a..2873bdb 100644
--- a/src/views.scm
+++ b/src/views.scm
@@ -38,31 +38,51 @@
 	(case option
 	  ((draw)
 	   (video:glmatrix-block
-	    (video:rotate rx ry rz)
-	    (video:translate x y z)
 	    (video:rotate ax ay az)
+	    (video:translate x y z)
+	    (video:rotate rx ry rz)
 	    (primitive)))
 	  ((translate)
 	   (set! x (+ x (car params)))
 	   (set! y (+ y (cadr params)))
 	   (set! z (+ z (caddr params))))
+	  ((turn)
+	   (set! ax (+ ax (car params)))
+	   (set! ay (+ ay (cadr params)))
+	   (set! az (+ az (caddr params))))
+	  ((rotate)
+	   (set! rx (+ rx (car params)))
+	   (set! ry (+ ry (cadr params)))
+	   (set! rz (+ rz (caddr params))))
 	  ((get-properties)
 	   (get-properties))
 	  ((get-property)
 	   (assoc-ref (get-properties) (car params))))))))
 
-(define* (show-mesh mesh #:optional (view default-view))
+(define* (show 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))
+(define* (hide 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 (turn mesh . params)
+  (if (>= (length params) 3)
+      (apply mesh (cons 'turn params))
+      (mesh 'turn 0 0 (car params)))
+  mesh)
+
+(define (rotate mesh . params)
+  (if (>= (length params) 3)
+      (apply mesh (cons 'rotate params))
+      (mesh 'rotate 0 0 (car params)))
+  mesh)
+
 (define-macro (define-primitives . symbols)
   (cond ((null? symbols)
 	 `#t)