void MainApplication::draw()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (ComponentIterator it = m_components.begin(); it != m_components.end(); ++it)
{
(*it)->draw();
}
if (m_debug)
{
DebugIterator dit = m_debugComponents.find(m_currentLevel);
if (dit != m_debugComponents.end())
{
ComponentCollection components = dit->second;
for (ComponentIterator it = components.begin(); it != components.end(); it++)
{
(*it)->draw();
}
}
}
std::stringstream ss;
ss << "Cloth Simulation Demo" << std::endl;
ss << std::setiosflags(std::ios::fixed) << std::setprecision(1);
ss << std::endl;
if (m_help) {
ss << "<Space> Start/reset simulation" << std::endl;
ss << "<Enter> Toggle BVH visualization" << std::endl;
ss << "<+/-> Adjust BVH visualization level";
if (m_debug) { ss << " (" << m_currentLevel << ")"; } ss << std::endl;
ss << "<c> Toggle constrained corners: " << (m_constrained ? "true" : "false") << std::endl;
ss << "<v> Toggle moving ball: " << (m_animate ? "true" : "false") << std::endl;
ss << "<Numpad 1-9> Adjust wind speed" << std::endl;
ss << "<h> Show this help (reduces fps)" << std::endl;
ss << std::endl;
ss << "Friction: " << SoftBody::FRICTION << std::endl;
ss << "Iteration count: " << SoftBody::ITERATION_COUNT << std::endl;
ss << "Cloth size: " << SoftBody::WIDTH << "x" << SoftBody::LENGTH << std::endl;
}
ss << "Wind: (" << SoftBody::WIND.x << ", " << SoftBody::WIND.y << ", " << SoftBody::WIND.z << ")" << std::endl;
std::string text = ss.str();
display_text(text.c_str(), 10, 15);
GLenum err = glGetError();
if (err != GL_NO_ERROR)
Trace::error("OpenGL error: %d\n", err);
}
