C++ (Cpp) RGBAProtocol::setOpacity示例

void UIWidget::setOpacity(int opacity)
{
    RGBAProtocol* rgbap = DYNAMIC_CAST_RGBAProtocol;
    if (rgbap)
    {
        rgbap->setOpacity(opacity);
    }
}

示例#2

显示文件

文件： CCActionInterval.cpp 项目： Gamex/GameX

void FadeTo::update(float time)
{
    RGBAProtocol *pRGBAProtocol = dynamic_cast<RGBAProtocol*>(_target);
    if (pRGBAProtocol)
    {
        pRGBAProtocol->setOpacity((GLubyte)(_fromOpacity + (_toOpacity - _fromOpacity) * time));
    }
    /*_target->setOpacity((GLubyte)(_fromOpacity + (_toOpacity - _fromOpacity) * time));*/
}

示例#3

显示文件

文件： CCActionInterval.cpp 项目： Gamex/GameX

void FadeOut::update(float time)
{
    RGBAProtocol *pRGBAProtocol = dynamic_cast<RGBAProtocol*>(_target);
    if (pRGBAProtocol)
    {
        pRGBAProtocol->setOpacity(GLubyte(255 * (1 - time)));
    }
    /*_target->setOpacity(GLubyte(255 * (1 - time)));*/    
}