本文整理汇总了C++中QOpenGLFunctions_2_1::glVertex3f方法的典型用法代码示例。如果您正苦于以下问题：C++ QOpenGLFunctions_2_1::glVertex3f方法的具体用法？C++ QOpenGLFunctions_2_1::glVertex3f怎么用？C++ QOpenGLFunctions_2_1::glVertex3f使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QOpenGLFunctions_2_1的用法示例。
在下文中一共展示了QOpenGLFunctions_2_1::glVertex3f方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: drawMeOnly
void ccIndexedTransformationBuffer::drawMeOnly(CC_DRAW_CONTEXT& context)
{
//no picking enabled on trans. buffers
if (MACRO_DrawEntityNames(context))
return;
//only in 3D
if (!MACRO_Draw3D(context))
return;
//get the set of OpenGL functions (version 2.1)
QOpenGLFunctions_2_1 *glFunc = context.glFunctions<QOpenGLFunctions_2_1>();
assert( glFunc != nullptr );
if ( glFunc == nullptr )
return;
size_t count = size();
//show path
{
ccGL::Color3v(glFunc, ccColor::green.rgba);
glFunc->glBegin(count > 1 && m_showAsPolyline ? GL_LINE_STRIP : GL_POINTS); //show path as a polyline or points?
for (ccIndexedTransformationBuffer::const_iterator it=begin(); it!=end(); ++it)
glFunc->glVertex3fv(it->getTranslation());
glFunc->glEnd();
}
//show trihedrons?
if (m_showTrihedrons)
{
for (ccIndexedTransformationBuffer::const_iterator it=begin(); it!=end(); ++it)
{
glFunc->glMatrixMode(GL_MODELVIEW);
glFunc->glPushMatrix();
glFunc->glMultMatrixf(it->data());
//force line width
glFunc->glPushAttrib(GL_LINE_BIT);
glFunc->glLineWidth(2.0f);
glFunc->glBegin(GL_LINES);
glFunc->glColor3f(1.0f,0.0f,0.0f);
glFunc->glVertex3f(0.0f,0.0f,0.0f);
glFunc->glVertex3f(m_trihedronsScale,0.0f,0.0f);
glFunc->glColor3f(0.0f,1.0f,0.0f);
glFunc->glVertex3f(0.0f,0.0f,0.0f);
glFunc->glVertex3f(0.0f,m_trihedronsScale,0.0f);
glFunc->glColor3f(0.0f,0.7f,1.0f);
glFunc->glVertex3f(0.0f,0.0f,0.0f);
glFunc->glVertex3f(0.0f,0.0f,m_trihedronsScale);
glFunc->glEnd();
glFunc->glPopAttrib(); //GL_LINE_BIT
glFunc->glPopMatrix();
}
}
}