Merge pull request #296 from shiffman/example-fixes

Example fixes

Author: Lauren McCarthy

examples/addons/p5.dom/global/sketch.js

@@ -24,15 +24,15 @@ function setup() {
 
   result = createElement("H1", "this is h1");
 
-  vid = createVideo('fingers.mov');
+  vid = createVideo('../fingers.mov');
   vid.loop(true);
   vid.hide();
 
 }
 
 function draw() {
   background(95, 165, 26);
-  video(vid, 10, 10, 80, 180);
+  image(vid, 10, 10, 80, 180);
 };
 
 

examples/addons/p5.dom/video_circles/sketch.js

@@ -10,14 +10,13 @@ function setup() {
 }
 
 function draw() {
-  image(fingers, 0, 0);
-  loadPixels();
   background(255);
+  fingers.loadPixels();
   var stepSize = round(constrain(mouseX / 8, 6, 32));
   for (var y=0; y<height; y+=stepSize) {
     for (var x=0; x<width; x+=stepSize) {
       var i = y * width + x;
-      var darkness = (255 - pixels[i][0]) / 255;
+      var darkness = (255 - fingers.pixels[i*4]) / 255;
       var radius = stepSize * darkness;
       ellipse(x, y, radius, radius);
     }

examples/addons/p5.dom/video_pixels/sketch.js

@@ -12,7 +12,7 @@ function draw() {
 
   fingers.loadPixels();
   for (var i=0; i<fingers.pixels.length/2; i++) {
-    fingers.pixels[i][3] = random(255);
+    fingers.pixels[i] = random(255);
   }
   fingers.updatePixels();