Check for 0 length in CCPoint::normalize()

2013-05-07 02:59:38 +10:00 · 2013-05-07 02:59:38 +10:00 · f71798a35b
parent 49474f5194
commit f71798a35b
1 changed files with 2 additions and 0 deletions
--- a/cocos2dx/cocoa/CCGeometry.h
+++ b/cocos2dx/cocoa/CCGeometry.h
@ -170,6 +170,8 @@ public:
     @since v2.1.4
     */
    inline CCPoint normalize() const {
+        float length = getLength();
+        if(length == 0.) return CCPoint(*this);
        return *this / getLength();
    };