fix zoom-canvas bug

CHANGELOG.md

@@ -1,4 +1,8 @@
 # ChangeLog
+#### 3.0.7
+`2019-09-11`
+* fix: zoom-canvas support IE and Firefox
+
 #### 3.0.6
 `2019-09-11`
 * fix:  group data util function use module.exports

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@antv/g6",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "description": "graph visualization frame work",
   "main": "build/g6.js",
   "homepage": "https://github.com/antvis/g6",

src/behavior/zoom-canvas.js

@@ -3,7 +3,7 @@ const DELTA = 0.05;
 module.exports = {
   getDefaultCfg() {
     return {
-      sensitivity: 5,
+      sensitivity: 2,
       minZoom: 0.1,
       maxZoom: 10
     };
@@ -24,7 +24,8 @@ module.exports = {
     const pixelRatio = canvas.get('pixelRatio');
     const sensitivity = this.get('sensitivity');
     let ratio = graph.getZoom();
-    if (e.deltaY < 0) {
+    // 兼容IE、Firefox及Chrome
+    if (e.wheelDelta < 0) {
       ratio = 1 - DELTA * sensitivity;
     } else {
       ratio = 1 + DELTA * sensitivity;

src/global.js

@@ -3,7 +3,7 @@
  */
 
 module.exports = {
-  version: '3.0.6',
+  version: '3.0.7',
   rootContainerClassName: 'root-container',
   nodeContainerClassName: 'node-container',
   edgeContainerClassName: 'edge-container',