ImCurve

Unreal-style curve editor and runtime using Dear ImGui

Features and Controls

• Single and double precision curves
• Square, linear, and quadratic interpolation
• Automatically saved in imgui.ini
• Double LMB to add a point
• LCtrl+LMB to select a point
• LMB+drag to select or move points
• Delete to remove selected points
• RMB+drag to pan
• Mouse wheel to zoom
• RMB to change the interpolation type
• Ctrl+Z/R to undo and redo

Example

#include <imcurve_editor.hpp>

class Character
{
public:
    Character()
        : Position{0.0f}
    {
    }

    void Update(float input, float dt)
    {
        float velocity = Velocity.GetCurve().Sample(input);
        Position += velocity * dt;
    }

    void RenderImGui()
    {
        Velocity.Draw("Velocity");
    }

private:
    ImCurveEditor<float> Velocity;
    float Position;
};

CMake

You can clone and add the following to your CMakeLists.txt:

add_subdirectory(<path>)
target_link_libraries(<name> PRIVATE imcurve::imcurve)