Errata: Move to to first point in sequence.

Author: lamberta

errata.md

@@ -55,6 +55,17 @@ Typo in the last sentence, it should read: *You should have
 no trouble creating some beautiful pictures or animations
 with trigonometry.*
 
+### p. 82, p. 84
+
+In examples `04-multi-curve-1.html` and
+`05-multi-curve-2.html`, the code to move to the first point
+should read: (Submitted by Gerald Cullen)
+
+~~~
+context.beginPath();
+context.moveTo(points[0].x, points[0].y);
+~~~
+
 ### p. 111
 
 A production error caused an errant graphic to obscure

examples/ch04/04-multi-curve-1.html

@@ -29,7 +29,7 @@
 
       //move to the first point
       context.beginPath();
-      context.moveTo(points[0].x, points[1].y);
+      context.moveTo(points[0].x, points[0].y);
       //and loop through each successive pair
       for (i = 1; i < numPoints; i += 2) {
         context.quadraticCurveTo(points[i].x, points[i].y,

examples/ch04/05-multi-curve-2.html

@@ -29,7 +29,7 @@
 
       //move to the first point
       context.beginPath();
-      context.moveTo(points[0].x, points[1].y);
+      context.moveTo(points[0].x, points[0].y);
       //curve through the rest, stopping at each midpoint
       for (i = 1; i < numPoints - 2; i++) {
         ctrlPoint.x = (points[i].x + points[i+1].x) / 2;