Merge pull request #3343 from dabingnn/Iss2423-TargetAction-Reverse

Iss2423 target action reverse

cocos2dx/actions/CCActionInterval.cpp

@@ -2201,8 +2201,11 @@ TargetedAction* TargetedAction::clone() const
 
 TargetedAction* TargetedAction::reverse(void) const
 {
-	// no reverse for this action, just clone it
-	return this->clone();
+	// just reverse the internal action
+	auto a = new TargetedAction();
+	a->initWithTarget(_forcedTarget, _action->reverse());
+	a->autorelease();
+	return a;
 }
 
 void TargetedAction::startWithTarget(Node *target)

samples/Cpp/TestCpp/Classes/ActionsTest/ActionsTest.cpp

@@ -39,6 +39,7 @@ static std::function<Layer*()> createFunctions[] = {
     CL(ActionOrbit),
     CL(ActionFollow),
     CL(ActionTargeted),
+    CL(ActionTargetedReverse),
     CL(ActionMoveStacked),
     CL(ActionMoveJumpStacked),
     CL(ActionMoveBezierStacked),
@@ -1335,6 +1336,37 @@ std::string ActionTargeted::subtitle()
     return "Action that runs on another target. Useful for sequences";
 }
 
+
+void ActionTargetedReverse::onEnter()
+{
+    ActionsDemo::onEnter();
+    centerSprites(2);
+    
+    
+    auto jump1 = JumpBy::create(2,Point::ZERO,100,3);
+    auto jump2 = jump1->clone();
+    auto rot1 = RotateBy::create(1, 360);
+    auto rot2 = rot1->clone();
+    
+    auto t1 = TargetedAction::create(_kathia, jump2);
+    auto t2 = TargetedAction::create(_kathia, rot2);
+    
+    auto seq = Sequence::create(jump1, t1->reverse(), rot1, t2->reverse(), NULL);
+    auto always = RepeatForever::create(seq);
+    
+    _tamara->runAction(always);
+}
+
+std::string ActionTargetedReverse::title()
+{
+    return "ActionTargetedReverse";
+}
+
+std::string ActionTargetedReverse::subtitle()
+{
+    return "Action that runs reversely on another target. Useful for sequences";
+}
+
 //#pragma mark - ActionStacked
 
 void ActionStacked::onEnter()

samples/Cpp/TestCpp/Classes/ActionsTest/ActionsTest.h

@@ -289,6 +289,14 @@ public:
     virtual std::string subtitle();
 };
 
+class ActionTargetedReverse : public ActionsDemo
+{
+public:
+    virtual void onEnter();
+    virtual std::string title();
+    virtual std::string subtitle();
+};
+
 class ActionStacked : public ActionsDemo
 {
 public: