--- a/nodejs/animate.js	Thu Aug 26 17:54:11 2010 +0800
+++ b/nodejs/animate.js	Sat Aug 28 17:31:59 2010 +0800
@@ -18,7 +18,8 @@
 function linear(app,obj,targetx,targety,duration) {
     try {
         if (obj.animated_linear) {
-	        obj[5] = obj.animated_linear.target;
+	        obj[5] = obj.animated_linear.targety;
+	        obj[2] = obj.animated_linear.targetx;
 			obj.animated_linear.end = 1;
 		}
 	} catch(e) {
@@ -36,7 +37,84 @@
 	this.duration = duration*1000;
 }
 
-
 exports.linear = linear;
 linear.prototype.start = linear_draw;
 linear.prototype.draw = linear_draw;
+
+function multiply(s,d) {
+    var m=[];
+	m[0] = s[0]*d[0]+s[1]*d[3];
+	m[1] = s[0]*d[1]+s[1]*d[4];
+	m[2] = s[0]*d[2]+s[1]*d[5]+s[2];
+	m[3] = s[3]*d[0]+s[4]*d[3];
+	m[4] = s[3]*d[1]+s[4]*d[4];
+	m[5] = s[3]*d[2]+s[4]*d[5]+s[5];
+	s[0] = m[0];
+	s[1] = m[1];
+	s[2] = m[2];
+	s[3] = m[3];
+	s[4] = m[4];
+	s[5] = m[5];
+}
+
+
+function scale_draw() {
+    if (this.end == 1) return;
+    var percent = (Date.now() - this.starttime)/this.duration;
+	if (percent > 1) percent = 1;
+	//sys.puts("time="+(Date.now()-this.starttime)+" percent="+percent);
+    var sx = (this.targetx-this.startsx)*percent+this.startsx;
+    var sy = (this.targety-this.startsy)*percent+this.startsy;
+	var t=[sx,0,0,0,sy,0];
+	//sys.puts("center="+this.obj.center.x+","+this.obj.center.y);
+	this.obj[0] = sx;
+	this.obj[4] = sy;
+	this.obj[2] = this.origin_offset_x - (sx-this.startsx)*this.obj.center.x;
+	this.obj[5] = this.origin_offset_y - (sy-this.startsy)*this.obj.center.y;
+	//sys.puts("sx="+sx);
+	//sys.puts("sy="+sy);
+	//sys.puts("offseet x="+this.obj[2]);
+	//sys.puts("offseet y="+this.obj[5]);
+
+	this.app.refresh();
+	var self = this;
+	if (percent < 1) {
+	    this.obj.timer=setTimeout(function() { self.draw();}, 20);
+		return;
+	}
+	this.app.refresh();
+	this.obj.animated_scale = null;
+}
+
+function scale(app,obj,targetx,targety, duration) {
+    try {
+        if (obj.animated_scale) {
+	        //obj[0] = obj.animated_scale.targetx;
+	        //obj[4] = obj.animated_scale.targety;
+			//obj[2] = obj.animated_scale.final_offset_x;
+			//obj[5] = obj.aninated_scale.final_offset_y;
+			obj.animated_scale.end = 1;
+		}
+	} catch(e) {
+	    
+	}
+	obj.animated_scale = this;
+	this.app = app;
+	this.obj = obj;
+	this.end = 0;
+	this.starttime = Date.now();
+	this.startsx = obj[0];
+	this.startsy = obj[4];
+    this.targetx = targetx;
+	this.targety = targety;
+	this.duration = duration*1000;
+	this.origin_offset_x = obj[2];
+	this.origin_offset_y = obj[5];
+	this.final_offset_x = this.origin_offset_x-(targetx-this.startsx)*obj.center.x;
+	this.final_offset_y = this.origin_offset_y-(targety-this.startsy)*obj.center.y;
+}
+
+
+exports.scale = scale;
+scale.prototype.start = scale_draw;
+scale.prototype.draw = scale_draw;