OpenGL鼠标旋转代码

void COpenGLView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)

{

// TODO: Add your message handler code here and/or call default

switch (nChar)

{

case VK_UP:                m_yPos = m_yPos + 0.1f;

break;

case VK_DOWN:        m_yPos = m_yPos - 0.1f;

break;

case VK_LEFT:        m_xPos = m_xPos - 0.1f;

break;

case VK_RIGHT: m_xPos = m_xPos + 0.1f;

break;

default:                MessageBox("Press the arrow keys only");

break;

}                

   

InvalidateRect(NULL,FALSE);

   

CView::OnKeyDown(nChar, nRepCnt, nFlags);

}

   

void COpenGLView::OnLButtonDown(UINT nFlags, CPoint point)

{

// TODO: Add your message handler code here and/or call default

m_MouseDownPoint=point;

SetCapture();

   

CView::OnLButtonDown(nFlags, point);

}

   

void COpenGLView::OnLButtonUp(UINT nFlags, CPoint point)

{

// TODO: Add your message handler code here and/or call default

m_MouseDownPoint=CPoint(0,0);

ReleaseCapture();

   

CView::OnLButtonUp(nFlags, point);

}

   

void COpenGLView::OnMouseMove(UINT nFlags, CPoint point)

{

// TODO: Add your message handler code here and/or call default

// Check if we have captured the mouse

if (GetCapture()==this)

{

//Increment the object rotation angles

m_xAngle+=(point.y-m_MouseDownPoint.y)/3.6;

m_yAngle+=(point.x-m_MouseDownPoint.x)/3.6;

//Redraw the view

InvalidateRect(NULL,FALSE);

//Set the mouse point

m_MouseDownPoint=point;

};

   

CView::OnMouseMove(nFlags, point);

}

然后在glRatate(m_xAngle...);方法中设置旋转即可