Criada funcao que retorna a posicao x e y de um elemento

felquis · Mar 30, 2012 · ce247ef · ce247ef
1 parent ffe941e
commit ce247ef
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/wall3dparallax/script.js b/wall3dparallax/script.js
@@ -12,7 +12,18 @@ var $imgs = $doc.querySelectorAll('img'),
 	screenWidth = $win.screen.width / 2,
 	screenHeight = $win.screen.height / 2,
 	validPropertyPrefix = '',
-	otherProperty = 'perspective(600px)';
+	otherProperty = 'perspective(600px)',
+// Esta function retorna a posição top e left do elemento	
+	returnPosition = function (obj) {
+			var currentTop = currentLeft = 0;
+		if (obj.offsetParent) {
+			do {
+				currentTop  += obj.offsetTop;
+				currentLeft += obj.offsetLeft;
+			} while (obj = obj.offsetParent);
+			return [currentTop, currentLeft]
+		}
+	};
 
 // Faz as imagens aparecerem com uma opacidade
 	for (var i = totalImg; i>=0; i--) {
@@ -40,4 +51,5 @@ var $imgs = $doc.querySelectorAll('img'),
 			$imgs[i].parentNode.style[validPropertyPrefix] = otherProperty + 'rotateY('+ degX +'deg)  rotateX('+ degY +'deg)';
 		}
 	});
-})(document, window);
+})(document, window);
+