ingore leading jump stitches and clear cache on project loading

stitchcode/gui.js

@@ -162,6 +162,9 @@ IDE_Morph.prototype.rawOpenProjectString = function (str) {
     this.stage.clearAll();
     this.stage.rotateTurtle(this.stage.children[0].heading);
     this.createStatusDisplay();
+    // clear stitch cache now (loading projects sends turtle move commands!)
+    this.stage.clearAll();
+    this.stage.turtleShepherd.clear();
     this.stage.reRender();
 };
 

stitchcode/turtleShepherd.js

@@ -121,6 +121,10 @@ TurtleShepherd.prototype.moveTo= function(x1, y1, x2, y2, penState) {
     x = Math.round(x);
     y = Math.round(y);
 
+    // ignore jump stitches withouth any previous stitches
+    if (this.steps === 0 && !penState)
+		return
+
     if (this.steps === 0) {
         this.initX = x1;
         this.initY = y1;
@@ -172,9 +176,6 @@ TurtleShepherd.prototype.moveTo= function(x1, y1, x2, y2, penState) {
     this.w = this.maxX - this.minX;
     this.h = this.maxY - this.minY;
 	
-    
-	
-	
     if (!penState)
         this.jumpCount++;
     else {