diff --git a/cocos/2d/CCNode.cpp b/cocos/2d/CCNode.cpp
index 36d53a15e2..ce0fe8cf1c 100644
--- a/cocos/2d/CCNode.cpp
+++ b/cocos/2d/CCNode.cpp
@@ -635,6 +635,12 @@ void Node::setContentSize(const Size & size)
     }
 }
 
+bool Node::hitTest(const Vec2& worldPoint) const {
+    auto p = this->convertToNodeSpace(worldPoint);
+    auto& s = this->getContentSize();
+    return Rect{0.f, 0.f, s.width, s.height}.containsPoint(p);
+}
+
 // isRunning getter
 bool Node::isRunning() const
 {
diff --git a/cocos/2d/CCNode.h b/cocos/2d/CCNode.h
index 3780892670..57b685e8a9 100644
--- a/cocos/2d/CCNode.h
+++ b/cocos/2d/CCNode.h
@@ -562,6 +562,18 @@ public:
     virtual const Size& getContentSize() const;
 
 
+    /**
+     * Returns the untransformed size of the node.
+     *
+     * @param worldPoint   The coord in GL world space.
+     *
+     * @return Whether the worldPoint is inside this node
+     * 
+     * @remark since adxe-1.0
+     */
+    virtual bool hitTest(const Vec2& worldPoint) const;
+
+
     /**
      * Sets whether the node is visible.
      *
diff --git a/cocos/base/ccMacros.h b/cocos/base/ccMacros.h
index f428f01af3..b98dfcf615 100644
--- a/cocos/base/ccMacros.h
+++ b/cocos/base/ccMacros.h
@@ -64,6 +64,10 @@ THE SOFTWARE.
 
 #include "base/ccRandom.h"
 
+#define CC_HALF_PI (M_PI * 0.5f)
+
+#define CC_DOUBLE_PI (M_PI * 2)
+
 /** @def CCRANDOM_MINUS1_1
  returns a random float between -1 and 1
  */
diff --git a/extensions/cocostudio/CCArmatureAnimation.cpp b/extensions/cocostudio/CCArmatureAnimation.cpp
index 0678fe0aae..0a41ff6a85 100644
--- a/extensions/cocostudio/CCArmatureAnimation.cpp
+++ b/extensions/cocostudio/CCArmatureAnimation.cpp
@@ -26,7 +26,6 @@ THE SOFTWARE.
 #include "CCArmature.h"
 #include "CCBone.h"
 #include "CCArmatureDefine.h"
-#include "CCUtilMath.h"
 #include "CCDatas.h"
 
 using namespace cocos2d;
diff --git a/extensions/cocostudio/CCBone.cpp b/extensions/cocostudio/CCBone.cpp
index e0f61b9a9d..23b92d94fd 100644
--- a/extensions/cocostudio/CCBone.cpp
+++ b/extensions/cocostudio/CCBone.cpp
@@ -24,7 +24,6 @@ THE SOFTWARE.
 
 #include "CCBone.h"
 #include "CCArmature.h"
-#include "CCUtilMath.h"
 #include "CCArmatureDataManager.h"
 #include "CCTransformHelp.h"
 #include "CCDisplayManager.h"
diff --git a/extensions/cocostudio/CCDataReaderHelper.cpp b/extensions/cocostudio/CCDataReaderHelper.cpp
index 1a3c5c2246..c8da04da55 100644
--- a/extensions/cocostudio/CCDataReaderHelper.cpp
+++ b/extensions/cocostudio/CCDataReaderHelper.cpp
@@ -32,7 +32,6 @@ THE SOFTWARE.
 #include "CCDataReaderHelper.h"
 #include "CCArmatureDataManager.h"
 #include "CCTransformHelp.h"
-#include "CCUtilMath.h"
 #include "CCArmatureDefine.h"
 #include "CCDatas.h"
 
diff --git a/extensions/cocostudio/CCDatas.cpp b/extensions/cocostudio/CCDatas.cpp
index 6a0509a702..6dbffa4894 100644
--- a/extensions/cocostudio/CCDatas.cpp
+++ b/extensions/cocostudio/CCDatas.cpp
@@ -23,7 +23,6 @@ THE SOFTWARE.
 ****************************************************************************/
 
 #include "CCDatas.h"
-#include "CCUtilMath.h"
 #include "CCTransformHelp.h"
 
 using namespace cocos2d;
diff --git a/extensions/cocostudio/CCDisplayManager.cpp b/extensions/cocostudio/CCDisplayManager.cpp
index 4e0e82f326..09a681cfc2 100644
--- a/extensions/cocostudio/CCDisplayManager.cpp
+++ b/extensions/cocostudio/CCDisplayManager.cpp
@@ -25,7 +25,6 @@ THE SOFTWARE.
 #include "CCDisplayManager.h"
 #include "CCBone.h"
 #include "CCArmature.h"
-#include "CCUtilMath.h"
 #include "CCSkin.h"
 
 #include "2d/CCParticleSystemQuad.h"
@@ -379,16 +378,13 @@ bool DisplayManager::containPoint(Vec2 &point)
          *  the contour point. If this step is also false, then we can say the bone not contain this point.
          *
          */
-
-        Vec2 outPoint;
-
         Sprite *sprite = (Sprite *)_currentDecoDisplay->getDisplay();
         Sprite *child = (Sprite *)sprite->getChildByTag(0);
         if(nullptr != child)
             sprite = child;
 
         if (nullptr != sprite)
-            ret = CC_SPRITE_CONTAIN_POINT_WITH_RETURN(sprite, point, outPoint);
+            ret = sprite->hitTest(point);
     }
     break;
 
diff --git a/extensions/cocostudio/CCProcessBase.cpp b/extensions/cocostudio/CCProcessBase.cpp
index 76725afbdc..015cc2954d 100644
--- a/extensions/cocostudio/CCProcessBase.cpp
+++ b/extensions/cocostudio/CCProcessBase.cpp
@@ -23,7 +23,6 @@ THE SOFTWARE.
 ****************************************************************************/
 
 #include "CCProcessBase.h"
-#include "CCUtilMath.h"
 
 using namespace cocos2d;
 
diff --git a/extensions/cocostudio/CCTransformHelp.cpp b/extensions/cocostudio/CCTransformHelp.cpp
index 6294bc249b..4b3d07168a 100644
--- a/extensions/cocostudio/CCTransformHelp.cpp
+++ b/extensions/cocostudio/CCTransformHelp.cpp
@@ -23,7 +23,6 @@ THE SOFTWARE.
 ****************************************************************************/
 
 #include "CCTransformHelp.h"
-#include "CCUtilMath.h"
 
 using namespace cocos2d;
 
diff --git a/extensions/cocostudio/CCTween.cpp b/extensions/cocostudio/CCTween.cpp
index c73b1a8e18..5212be5c03 100644
--- a/extensions/cocostudio/CCTween.cpp
+++ b/extensions/cocostudio/CCTween.cpp
@@ -27,7 +27,6 @@ THE SOFTWARE.
 #include "CCArmatureAnimation.h"
 #include "CCBone.h"
 #include "CCArmature.h"
-#include "CCUtilMath.h"
 #include "CCTransformHelp.h"
 
 
diff --git a/extensions/cocostudio/CCUtilMath.cpp b/extensions/cocostudio/CCUtilMath.cpp
deleted file mode 100644
index 2105ca5e2a..0000000000
--- a/extensions/cocostudio/CCUtilMath.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/****************************************************************************
-Copyright (c) 2013-2017 Chukong Technologies Inc.
-
-http://www.cocos2d-x.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-****************************************************************************/
-
-#include "CCUtilMath.h"
-
-using namespace cocos2d;
-
-
-namespace cocostudio {
-
-bool isSpriteContainPoint(Sprite *sprite, Vec2 point, Vec2 &outPoint)
-{
-    outPoint = sprite->convertToNodeSpace(point);
-
-    Size s  = sprite->getContentSize();
-    Rect r(0, 0, s.width, s.height);
-
-    return r.containsPoint(outPoint);
-}
-
-bool isSpriteContainPoint(Sprite *sprite, Vec2 point)
-{
-    Vec2 p;
-    return isSpriteContainPoint(sprite, point, p);
-}
-
-
-Vec2 bezierTo(float t, Vec2 &point1, Vec2 &point2, Vec2 &point3)
-{
-
-    Vec2 p;
-
-    p.x = pow((1 - t), 2) * point1.x + 2 * t * (1 - t) * point2.x + pow(t, 2) * point3.x;
-    p.y = pow((1 - t), 2) * point1.y + 2 * t * (1 - t) * point2.y + pow(t, 2) * point3.y;
-
-    return p;
-}
-
-Vec2 bezierTo(float t, Vec2 &point1, Vec2 &point2, Vec2 &point3, Vec2 &point4)
-{
-    Vec2 p;
-
-    p.x = point1.x * pow((1 - t), 3) + 3 * t * point2.x * pow((1 - t), 2) + 3 * point3.x * pow(t, 2) * (1 - t) + point4.x * pow(t, 3);
-    p.y = point1.y * pow((1 - t), 3) + 3 * t * point2.y * pow((1 - t), 2) + 3 * point3.y * pow(t, 2) * (1 - t) + point4.y * pow(t, 3);
-
-    return p;
-}
-
-Vec2 circleTo(float t, Vec2 &center, float radius, float fromRadian, float radianDif)
-{
-    Vec2 p;
-
-    p.x = center.x + radius * cos(fromRadian + radianDif * t);
-    p.y = center.y + radius * sin(fromRadian + radianDif * t);
-
-    return p;
-}
-
-}
diff --git a/extensions/cocostudio/CCUtilMath.h b/extensions/cocostudio/CCUtilMath.h
deleted file mode 100644
index 897827e343..0000000000
--- a/extensions/cocostudio/CCUtilMath.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/****************************************************************************
-Copyright (c) 2013-2017 Chukong Technologies Inc.
-
-http://www.cocos2d-x.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-****************************************************************************/
-
-#ifndef __CCUTILMATH_H__
-#define __CCUTILMATH_H__
-
-#include "2d/CCSprite.h"
-#include "CCArmatureDefine.h"
-#include "CocosStudioExport.h"
-#include <math.h>
-
-namespace cocostudio {
-
-#define CC_DOUBLE_PI (M_PI*2)
-
-#define CC_HALF_PI  (M_PI * 0.5f)
-
-
-//! hit test function
-bool CCS_DLL isSpriteContainPoint(cocos2d::Sprite *sprite, cocos2d::Vec2 point);
-bool CCS_DLL isSpriteContainPoint(cocos2d::Sprite *sprite, cocos2d::Vec2 point, cocos2d::Vec2 &outPoint);
-
-#define CC_SPRITE_CONTAIN_POINT(sprite, point) isSpriteContainPoint((sprite), (point))
-#define CC_SPRITE_CONTAIN_POINT_WITH_RETURN(sprite, point, outPoint) isSpriteContainPoint((sprite), (point), outPoint)
-
-
-//! motion curve function
-cocos2d::Vec2 CCS_DLL bezierTo(float t, cocos2d::Vec2 &point1, cocos2d::Vec2 &point2, cocos2d::Vec2 &point3);
-cocos2d::Vec2 CCS_DLL bezierTo(float t, cocos2d::Vec2 &point1, cocos2d::Vec2 &point2, cocos2d::Vec2 &point3, cocos2d::Vec2 &point4);
-
-cocos2d::Vec2 CCS_DLL circleTo(float t, cocos2d::Vec2 &center, float radius, float fromRadian, float radianDif);
-
-
-}
-
-#endif /*__CCUTILMATH_H__*/
diff --git a/extensions/cocostudio/CocoStudio.h b/extensions/cocostudio/CocoStudio.h
index 4809d3d0ad..cabe820386 100644
--- a/extensions/cocostudio/CocoStudio.h
+++ b/extensions/cocostudio/CocoStudio.h
@@ -21,7 +21,6 @@
 #include "CCArmatureDefine.h"
 #include "CCDataReaderHelper.h"
 #include "CCTransformHelp.h"
-#include "CCUtilMath.h"
 #include "CCComBase.h"
 #include "CCComAttribute.h"
 #include "CCComAudio.h"