多点触控

screenAndroid/WXdraw.js

@@ -177,7 +177,7 @@ var draw_graph = function (graphType, obj) {
     $(".leftmains").css({
       "right": "-4rem"
     })
-    var touchfor = e.originalEvent.changedTouches; //for 的手指数组
+    var touchfor = e.originalEvent.touches; //for 的手指数组
     console.log(touchfor);
     //是否横屏
     for (var i = 0; i < touchfor.length; i++) {
@@ -197,6 +197,7 @@ var draw_graph = function (graphType, obj) {
   //鼠标离开 把蒙版canvas的图片生成到canvas中
   var touchend = function (e) {
     var touchfor = e.originalEvent.changedTouches; //for 的手指数组
+    console.log(touchfor);
     //是否横屏
     for (var i = 0; i < touchfor.length; i++) {
       var acrossWidthX = touchfor[i].pageY * (videoHeight / voheight);
@@ -219,7 +220,8 @@ var draw_graph = function (graphType, obj) {
 
   // 鼠标移动
   var touchmove = function (e) {
-    var touchfor = e.originalEvent.changedTouches; //for 的手指数组
+    var touchfor = e.originalEvent.touches; //for 的手指数组
+    console.log(touchfor);
     for (var i = 0; i < touchfor.length; i++) {
       var acrossWidthX = touchfor[i].pageY * (videoHeight / voheight);
       var acrossHeightY = videoWidth - touchfor[i].pageX * (videoWidth / vowidth);