//-----------------------------------------------------------------------
void DebugNavigator::Draw(DrawingContext & drawingContext)
{
constexpr float minFramerate = 10.0f;
constexpr float maxFramerate = 60.0f;
constexpr std::uint16_t maxHistories = 20;
{
if (clock->TotalGameTime() - duration > Duration(0.2))
{
auto frameRate = clock->FrameRate();
frameRateString = StringFormat("%4.2f fps", frameRate);
frameRates.push_back(MathHelper::Clamp(frameRate, minFramerate, maxFramerate));
if (frameRates.size() > maxHistories)
{
frameRates.pop_front();
}
duration = clock->TotalGameTime();
}
}
auto transform = Transform() * drawingContext.Top();
{
auto graphTransform = Matrix3x2::CreateTranslation(Vector2{0, 16}) * transform;
constexpr std::uint16_t maxGraphHeight = 26;
constexpr float graphMarginLeft = 1.0f;
auto graghWidth = (static_cast<float>(Width()) / maxHistories);
std::int32_t startPosition = graghWidth * (maxHistories - frameRates.size());
std::int32_t graphX = startPosition;
for (auto & frameRate: frameRates)
{
auto amount = ((frameRate - minFramerate) / (maxFramerate - minFramerate));
auto graphHeight = MathHelper::Clamp<std::uint16_t>(maxGraphHeight * amount, 1, maxGraphHeight);
drawingContext.DrawRectangle(graphTransform, Color::CornflowerBlue,
Rectangle(graphX, maxGraphHeight - graphHeight, graghWidth - graphMarginLeft, graphHeight));
graphX += graghWidth;
}
}
drawingContext.DrawString(transform * Matrix3x2::CreateTranslation({0.5f, -2.5f}),
Color::White, FontWeight::Bold, FontSize::Medium, frameRateString);
}
//-----------------------------------------------------------------------
void TextBlock::Draw(DrawingContext & drawingContext)
{
auto transform = Transform() * drawingContext.Top();
drawingContext.DrawString(transform, Color::White, FontWeight::Normal, FontSize::Medium, text);
}