Update 18.md

playdogsoft · May 3, 2018 · a006a4f · a006a4f
1 parent 0fcb0fc
commit a006a4f
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/tutorials/18.md b/tutorials/18.md
@@ -21,6 +21,8 @@ Game.touch = cc.EventListener.create({
         console.log( "touch ");
 
         Game.removeItemById( "tag_1" );
+
+        //Game.removeItemsByType( "box" );
 
         Game.removeItemByTouch( touch, event, "box" );  
     }       
@@ -42,6 +44,22 @@ Game.removeItemById = function( id ){
     }
 }
 ```
+
+**Remove items by type**
+```Javascript
+Game.removeItemsByType = function( type ){
+
+    for( var i = coliders.length - 1; i >= 0; i-- ){
+        if( coliders[i].name == type ){
+            layer.removeChild( coliders[i].image );
+            world.removeBody( coliders[i].getBody() )
+            world.removeShape( coliders[i] )
+            coliders.splice( i, 1 );       
+        }
+    }
+}
+```
+
 **Remove item by touch**
 ```Javascript
 Game.removeItemByTouch = function( touch, event, type ){