refactor

index.html

@@ -60,9 +60,8 @@
 
 
 		<div id="svg2"  style="background:white;font-size:60%;position:absolute;
-			width:480px;height:360px;left:34%;bottom:0;
-			border:1px solid #c0c0c0;
-			display:none" ></div>
+		position:absolute;right:0;bottom:0;width:480px;height:360px;
+		border:1px solid #c0c0c0" ></div>
 
 		<div name="debug" id="debug" style="background:white;font-size:60%;position:absolute;
 			width:33%;height:20%;left:33%;bottom:0;overflow:auto;border:1px solid #c0c0c0;

stitchcode/objects.js

@@ -6,9 +6,9 @@ SpriteMorph.prototype.forward = function (steps) {
     oldx = this.xPosition();
     oldy = this.yPosition();
     this.origForward(steps);
-    if (!cmdCache.hasSteps())
-        cmdCache.initPosition(oldx, oldy);
-    cmdCache.addMoveTo(this.xPosition() , this.yPosition() , this.isDown);
+    if (!turtleShepherd.hasSteps())
+        turtleShepherd.initPosition(oldx, oldy);
+    turtleShepherd.addMoveTo(this.xPosition() , this.yPosition() , this.isDown);
     this.reDrawTrails();
 };
 
@@ -21,9 +21,9 @@ SpriteMorph.prototype.gotoXY = function (x, y, justMe) {
     if ( Math.abs(this.xPosition()-oldx)<=1 && Math.abs(this.yPosition()-oldy)<=1 ) {
 		console.log("jump in place - don't add.");
     } else {
-        if (!cmdCache.hasSteps())
-            cmdCache.initPosition(oldx, oldy);
-        cmdCache.addMoveTo(this.xPosition() , this.yPosition() , this.isDown);
+        if (!turtleShepherd.hasSteps())
+            turtleShepherd.initPosition(oldx, oldy);
+        turtleShepherd.addMoveTo(this.xPosition() , this.yPosition() , this.isDown);
         this.reDrawTrails();
 	}
 };
@@ -31,7 +31,7 @@ SpriteMorph.prototype.gotoXY = function (x, y, justMe) {
 SpriteMorph.prototype.origClear = SpriteMorph.prototype.clear;
 SpriteMorph.prototype.clear = function () {
     this.origClear();
-    cmdCache.clear();
+    turtleShepherd.clear();
     this.reDrawTrails();
 };
 
@@ -46,11 +46,11 @@ SpriteMorph.prototype.reDrawTrails = function () {
 StageMorph.prototype.referencePos = null;
 StageMorph.prototype.mouseScroll = function (y, x) {
     if (y > 0) {
-        cmdCache.zoomOut();
+        turtleShepherd.zoomOut();
     } else if (y < 0) {
-        cmdCache.zoomIn();
+        turtleShepherd.zoomIn();
     }
-    
+
     this.clearPenTrails();
     reDraw(this.penTrails());
 };

stitchcode/turtleShepherd.js

@@ -1,9 +1,9 @@
 
-function CommandCache() {
+function TurtleShepherd() {
     this.clear();
 }
 
-CommandCache.prototype.addMoveTo= function(x,y,penState) {
+TurtleShepherd.prototype.addMoveTo= function(x,y,penState) {
     this.cache.push(
         {
             "cmd":"move",
@@ -28,11 +28,11 @@ CommandCache.prototype.addMoveTo= function(x,y,penState) {
     //if (DEBUG) tstools.debug_msg("add move to" + x + " " + y + " " + penState );
 };
 
-CommandCache.prototype.hasSteps = function() {
+TurtleShepherd.prototype.hasSteps = function() {
     return this.count > 0;
 };
 
-CommandCache.prototype.addColorChange= function(color) {
+TurtleShepherd.prototype.addColorChange= function(color) {
     this.cache.push(
         {
             "cmd":"color",
@@ -41,7 +41,7 @@ CommandCache.prototype.addColorChange= function(color) {
     );
 };
 
-CommandCache.prototype.clear = function() {
+TurtleShepherd.prototype.clear = function() {
     this.cache = [];
     this.minX = 0;
     this.minY = 0;
@@ -55,35 +55,35 @@ CommandCache.prototype.clear = function() {
     this.scale = 1;
 };
 
-CommandCache.prototype.initPosition = function(x,y) {
+TurtleShepherd.prototype.initPosition = function(x,y) {
     this.initX = x;
     this.initY = y;
 };
 
-CommandCache.prototype.setScale = function(s) {
+TurtleShepherd.prototype.setScale = function(s) {
     this.scale = s;
     if (DEBUG) tstools.debug_msg("zoom to scale "+ s );
 };
 
 
-CommandCache.prototype.zoomIn = function() {
+TurtleShepherd.prototype.zoomIn = function() {
     this.scale += 0.1;
     if (DEBUG) tstools.debug_msg("zoom to scale "+this.scale );
 };
 
-CommandCache.prototype.zoomOut = function() {
+TurtleShepherd.prototype.zoomOut = function() {
     if (this.scale > 0.15)
         this.scale -= 0.1;
     if (DEBUG) tstools.debug_msg("zoom to scale "+ this.scale );
 };
 
-CommandCache.prototype.setDimensions = function(x,y) {
+TurtleShepherd.prototype.setDimensions = function(x,y) {
     this.w = x;
     this.h = y;
 };
 
 
-CommandCache.prototype.renderGrid = function(size=50) {
+TurtleShepherd.prototype.renderGrid = function(size=50) {
     return '<defs>' +
         '<pattern id="grid" width="'+size+'" height="'+size+'" patternUnits="userSpaceOnUse">' +
         '<path d="M '+size+' 0 L 0 0 0 '+size+'" fill="none" stroke="gray" stroke-width="0.5"/>' +
@@ -91,7 +91,7 @@ CommandCache.prototype.renderGrid = function(size=50) {
         '</defs>';
 };
 
-CommandCache.prototype.toSVG = function() {
+TurtleShepherd.prototype.toSVG = function() {
 
     //var svgStr = "<?xml version=\"1.0\" standalone=\"no\"?>\n";
     //svgStr += "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \n\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n";

stitchcode/turtlestitch.js

@@ -1,15 +1,15 @@
 
-cmdCache = new CommandCache();
+turtleShepherd = new TurtleShepherd();
 DEBUG = true;
 
 function reDraw(cnv) {
     //load a svg snippet in the canvas with id = 'svg'
    canvas = document.getElementById('svg');
    //document.getElementById("code").innerHTML =  cmdCache.toSVG();
-   //document.getElementById("svg2").innerHTML =  cmdCache.toSVG();
+   document.getElementById("svg2").innerHTML =  turtleShepherd.toSVG();
    //canvg(document.getElementById('svg'), cmdCache.toSVG());
 
-   canvg(cnv, cmdCache.toSVG());
+   //canvg(cnv, cmdCache.toSVG());
 
    //var cnv = caller.parent.penTrails();
    //var ctx = cnv.getContext('2d');