Function graph animation: Difference between revisions

@@ Line 6: / Line 6: @@
    var start = -4,
        end = 4,
-       turtle = brd.create('turtle', [start, f(start)]);
+      x = start,
+      step = 0.2,
+       turtle = brd.create('turtle', [x, f(x)]);
-   turtle.hideTurtle()
+   var moveForward = function() {
-  turtle.moveTo([0,0]);
+         x += step;
+         if (x>end) {
+            return;
+         }
+         turtle.moveTo([x, f(x)]);
+         setTimeout(moveForward, 50);
+     };
+  turtle.hideTurtle();
+  moveForward();
 </jsxgraph>

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