add resetCenterOfRotation in SimpleQT

include/Utils/Qt/qtSimple.h

@@ -197,6 +197,8 @@ public:
 	 */
 	void setParamObject(float width, float* pos) { m_glWidget->setParamObject(width, pos); }
 
+	void resetCenterOfRotation(float width, float* pos) { m_glWidget->resetCenterOfRotation(width, pos); }
+
 	/**
 	 * make the contex of glWidget current
 	 */

include/Utils/Qt/qtgl.h

@@ -106,6 +106,8 @@ protected:
 	void changeCenterOfRotation(const glm::vec3& newCenter);
 
 public:
+	void resetCenterOfRotation(float width, float* pos);
+
 	void setParamObject(float width, float* pos);
 
 	void setRotation(bool b);

src/Utils/Qt/qtgl.cpp

@@ -71,6 +71,21 @@ void GLWidget::setParamObject(float width, float* pos)
 	m_obj_pos = glm::vec3(-pos[0], -pos[1], -pos[2]);
 }
 
+void GLWidget::resetCenterOfRotation(float width, float* pos)
+{
+	m_cbs->trans_x() = 0.;
+	m_cbs->trans_y() = 0.;
+	m_cbs->trans_z() = -FAR_PLANE / 5.0f;
+
+//	float Z[3] = { 0.0f, 0.0f, 1.0f };
+//	axis_to_quat(Z, 0.0f, m_cbs->curquat());
+
+	setParamObject(width,pos);
+
+	recalcModelView();
+}
+
+
 void GLWidget::setRotation(bool b)
 {
 	allow_rotation = b;