AnimTestbed/3rdparty/imgui-node-editor/examples/simple-example/simple-example.cpp

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# include <imgui.h>
# include <imgui_node_editor.h>
# include <application.h>
namespace ed = ax::NodeEditor;
struct Example:
public Application
{
using Application::Application;
void OnStart() override
{
ed::Config config;
config.SettingsFile = "Simple.json";
m_Context = ed::CreateEditor(&config);
}
void OnStop() override
{
ed::DestroyEditor(m_Context);
}
void OnFrame(float deltaTime) override
{
auto& io = ImGui::GetIO();
ImGui::Text("FPS: %.2f (%.2gms)", io.Framerate, io.Framerate ? 1000.0f / io.Framerate : 0.0f);
ImGui::Separator();
ed::SetCurrentEditor(m_Context);
ed::Begin("My Editor", ImVec2(0.0, 0.0f));
int uniqueId = 1;
// Start drawing nodes.
ed::BeginNode(uniqueId++);
ImGui::Text("Node A");
ed::BeginPin(uniqueId++, ed::PinKind::Input);
ImGui::Text("-> In");
ed::EndPin();
ImGui::SameLine();
ed::BeginPin(uniqueId++, ed::PinKind::Output);
ImGui::Text("Out ->");
ed::EndPin();
ed::EndNode();
ed::End();
ed::SetCurrentEditor(nullptr);
//ImGui::ShowMetricsWindow();
}
ed::EditorContext* m_Context = nullptr;
};
int Main(int argc, char** argv)
{
Example exampe("Simple", argc, argv);
if (exampe.Create())
return exampe.Run();
return 0;
}