Dear ImGui for Ebitengine

preview
Usage:
package main

import (
    "fmt"
    "image/color"

    "github.com/gabstv/ebiten-imgui/v3/imcolor"
    ebimgui "github.com/gabstv/ebiten-imgui/v3"
    "github.com/hajimehoshi/ebiten/v2"
    "github.com/hajimehoshi/ebiten/v2/ebitenutil"
    imgui "github.com/gabstv/cimgui-go"
)

func main() {
    gg := &G{
        name:       "Hello, Dear ImGui",
        clearColor: [3]float32{0,0,0},
    }

    ebiten.SetWindowSize(800, 600)
    ebiten.SetWindowTitle(gg.name)

    ebiten.RunGame(gg)
}

type G struct {
    clearColor [3]float32
    floatVal   float32
    counter    int
    name       string
}

func (g *G) Draw(screen *ebiten.Image) {
    screen.Fill(color.RGBA{uint8(g.clearColor[0] * 255), uint8(g.clearColor[1] * 255), uint8(g.clearColor[2] * 255), 255})
    ebitenutil.DebugPrint(screen, fmt.Sprintf("TPS: %.2f", ebiten.CurrentTPS()))
    ebimgui.Draw(screen)
}

func InputText(label string, buf *string) bool {
    return imgui.InputTextWithHint(label, "", buf, 0, nil)
}

func (g *G) Update() error {
    ebimgui.Update(1.0 / 60.0)
    ebimgui.BeginFrame()
    defer ebimgui.EndFrame()

    imgui.Text("ภาษาไทย测试조선말")                        // To display these, you'll need to register a compatible font
    imgui.Text("Hello, world!")                       // Display some text
    imgui.SliderFloat("float", &g.floatVal, 0.0, 1.0) // Edit 1 float using a slider from 0.0f to 1.0f
    imgui.ColorEdit3("clear color", &g.clearColor)     // Edit 3 floats representing a color

    //imgui.Checkbox("Demo Window", &showDemoWindow) // Edit bools storing our window open/close state
    //imgui.Checkbox("Go Demo Window", &showGoDemoWindow)
    //imgui.Checkbox("Another Window", &showAnotherWindow)

    if imgui.Button("Button") { // Buttons return true when clicked (most widgets return true when edited/activated)
        g.counter++
    }
    imgui.SameLine()
    imgui.Text(fmt.Sprintf("counter = %d", g.counter))

    if InputText("Window title", &g.name) {
        ebiten.SetWindowTitle(g.name)
    }

    xcol := imcolor.ToVec4(color.RGBA{
        R: 0xFF,
        G: 0x00,
        B: 0xFF,
        A: 0x99,
    })

    imgui.PushStyleColor_Vec4(imgui.ImGuiCol_Text, xcol)
    imgui.Text(fmt.Sprintf("fps = %f", ebiten.CurrentFPS()))
    imgui.PopStyleColor()
    return nil
}

func (g *G) Layout(outsideWidth, outsideHeight int) (int, int) {
    ebimgui.SetDisplaySize(float32(800), float32(600))
    return 800, 600
}
gabstv / ebiten-imgui

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Dear ImGui for Ebitengine
