Team:UFMG Brazil

(Difference between revisions)

Revision as of 22:30, 22 June 2013

These are our initial steps towards of a great project, in which we will build an device for detecting Heart diseases.

Wiki edition responsibility: Fernando Carvalho da Silva Coelho

@@ Line 8: / Line 8: @@
 </div>
 <script type="text/javascript">
-window.requestAnimFrame = (function() {
-  return window.requestAnimationFrame ||
-         window.webkitRequestAnimationFrame ||
-         window.mozRequestAnimationFrame ||
-         window.oRequestAnimationFrame ||
-         window.msRequestAnimationFrame ||
-         function(/* function FrameRequestCallback */ callback, /* DOMElement Element */ element) {
-           window.setTimeout(callback, 1000/60);
-         };
-})();
-var canvas = document.getElementById("main_canvas");
+window.requestAnimFrame = (function(callback) {
-var ctx = canvas.getContext('2d');
+        return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame ||
+        function(callback) {
+          window.setTimeout(callback, 1000 / 60);
+        };
+      })();
-var w = 10;
+w = 10;
-function animate()
+function animate() {
-{
+ var canvas = document.getElementById("main_canvas");
-  ctx.fillRect(25,25, w,100);
+ var context = canvas.getContext('2d');
-  w = w+1;
-}
-requestAnimFrame(animate());
+ // update
+ // clear
+ context.clearRect(0, 0, canvas.width, canvas.height);
+ // draw stuff
+ ctx.fillRect(25,25, w,100);
+ w = (w+1)%100;
+ // request new frame
+ requestAnimFrame(function()
+ {
+  animate();
+ });
+}
+animate();
 </script>
 </html>

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