From a9ddbf73846d256619828e5e6db6eccdf12dd564 Mon Sep 17 00:00:00 2001
From: Nomango <569629550@qq.com>
Date: Tue, 5 Dec 2017 08:31:54 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=BA=86=E6=8C=89=E9=92=AE?=
 =?UTF-8?q?=E7=9A=84=E4=B8=AD=E5=BF=83=E7=82=B9=E9=97=AE=E9=A2=98?=
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---
 Easy2D/Node/EButton.cpp | 31 +++++++++++++++++++++++++++++++
 Easy2D/enodes.h         | 19 +++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/Easy2D/Node/EButton.cpp b/Easy2D/Node/EButton.cpp
index 80605aff..e80cde92 100644
--- a/Easy2D/Node/EButton.cpp
+++ b/Easy2D/Node/EButton.cpp
@@ -71,6 +71,7 @@ void e2d::EButton::setNormal(ENode * normal)
 		if (normal)
 		{
 			this->addChild(normal);
+			normal->setPivot(m_fPivotX, m_fPivotY);
 		}
 		m_pNormal = normal;
 
@@ -91,6 +92,7 @@ void e2d::EButton::setMouseOver(ENode * mouseover)
 		if (mouseover)
 		{
 			this->addChild(mouseover);
+			mouseover->setPivot(m_fPivotX, m_fPivotY);
 		}
 		m_pMouseover = mouseover;
 		_updateVisiable();
@@ -110,6 +112,7 @@ void e2d::EButton::setSelected(ENode * selected)
 		if (selected)
 		{
 			this->addChild(selected);
+			selected->setPivot(m_fPivotX, m_fPivotY);
 		}
 		m_pSelected = selected;
 		_updateVisiable();
@@ -129,6 +132,7 @@ void e2d::EButton::setDisabled(ENode * disabled)
 		if (disabled)
 		{
 			this->addChild(disabled);
+			disabled->setPivot(m_fPivotX, m_fPivotY);
 		}
 		m_pDisabled = disabled;
 		_updateVisiable();
@@ -152,6 +156,33 @@ void e2d::EButton::setCallback(const BUTTON_CLICK_CALLBACK & callback)
 	m_Callback = callback;
 }
 
+void e2d::EButton::setPivotX(float pivotX)
+{
+	ENode::setPivotX(pivotX);
+	if (m_pNormal) m_pNormal->setPivotX(pivotX);
+	if (m_pMouseover) m_pMouseover->setPivotX(pivotX);
+	if (m_pSelected) m_pSelected->setPivotX(pivotX);
+	if (m_pDisabled) m_pDisabled->setPivotX(pivotX);
+}
+
+void e2d::EButton::setPivotY(float pivotY)
+{
+	ENode::setPivotY(pivotY);
+	if (m_pNormal) m_pNormal->setPivotY(pivotY);
+	if (m_pMouseover) m_pMouseover->setPivotY(pivotY);
+	if (m_pSelected) m_pSelected->setPivotY(pivotY);
+	if (m_pDisabled) m_pDisabled->setPivotY(pivotY);
+}
+
+void e2d::EButton::setPivot(float pivotX, float pivotY)
+{
+	ENode::setPivot(pivotX, pivotY);
+	if (m_pNormal) m_pNormal->setPivot(pivotX, pivotY);
+	if (m_pMouseover) m_pMouseover->setPivot(pivotX, pivotY);
+	if (m_pSelected) m_pSelected->setPivot(pivotX, pivotY);
+	if (m_pDisabled) m_pDisabled->setPivot(pivotX, pivotY);
+}
+
 void e2d::EButton::_setStatus(STATUS status)
 {
 	if (m_eStatus != status)
diff --git a/Easy2D/enodes.h b/Easy2D/enodes.h
index be56405d..515c0361 100644
--- a/Easy2D/enodes.h
+++ b/Easy2D/enodes.h
@@ -647,6 +647,25 @@ public:
 		const BUTTON_CLICK_CALLBACK & callback
 	);
 
+	// 设置中心点的横向位置
+	// 默认为 0, 范围 [0, 1]
+	virtual void setPivotX(
+		float pivotX
+	) override;
+
+	// 设置中心点的纵向位置
+	// 默认为 0, 范围 [0, 1]
+	virtual void setPivotY(
+		float pivotY
+	) override;
+
+	// 设置中心点位置
+	// 默认为 (0, 0), 范围 [0, 1]
+	virtual void setPivot(
+		float pivotX,
+		float pivotY
+	) override;
+
 protected:
 	enum STATUS { NORMAL, MOUSEOVER, SELECTED };