Fix bug in make_trail

Author: BruceSherwood

lib/glow/primitives.js

@@ -480,12 +480,12 @@
 	    trail_object: {
 	    	get: function() { return this.__trail_object }
 	    },
-	    __update_trail: function() {
+	    __update_trail: function(v) {
 	    	this.__ninterval++
 	    	if (this.__ninterval >= this.__interval) {
 	    		this.__ninterval = 0
-				if (this.__retain == -1) this.__trail_object.push(this.__pos)
-				else this.__trail_object.push({pos:this.__pos, retain:this.__retain})
+				if (this.__retain == -1) this.__trail_object.push(v)
+				else this.__trail_object.push({pos:v, retain:this.__retain})
 	    	}
 	    }
     })

lib/glow/vectors.js

@@ -36,7 +36,7 @@
         this.__z = z
         if (parent) {
         	parent.__change()
-        	if (parent.__make_trail) parent.__update_trail()
+        	if (parent.__make_trail) parent.__update_trail(vec(x,y,z))
         }
     }
 
@@ -126,7 +126,7 @@
             function (value) {
                 this.__x = value
                 this.__parent.__change()
-            	if (this.__parent.__make_trail) this.__parent.__update_trail()
+            	if (this.__parent.__make_trail) this.__parent.__update_trail(vec(this.__x, this.__y, this.__z))
             }
     });
 
@@ -139,7 +139,7 @@
             function (value) {
             	this.__y = value
                 this.__parent.__change()
-            	if (this.__parent.__make_trail) this.__parent.__update_trail()
+            	if (this.__parent.__make_trail) this.__parent.__update_trail(vec(this.__x, this.__y, this.__z))
             }
     });
 
@@ -152,7 +152,7 @@
             function (value) {
         		this.__z = value
                 this.__parent.__change()
-            	if (this.__parent.__make_trail) this.__parent.__update_trail()
+            	if (this.__parent.__make_trail) this.__parent.__update_trail(vec(this.__x, this.__y, this.__z))
             }
     });