程式語言 - Golang - SDL 2.0 - Fill Color

參考資訊：
https://github.com/veandco/go-sdl2
https://github.com/veandco/go-sdl2-examples
https://pkg.go.dev/github.com/veandco/go-sdl2#section-readme

初始化

$ go version
    go version go1.24.4 linux/amd64

$ go mod init main

main.go

package main

import "github.com/veandco/go-sdl2/sdl"

func main() {
    var rt sdl.Rect

	sdl.Init(sdl.INIT_EVERYTHING);
	defer sdl.Quit()

	window, _ := sdl.CreateWindow("main", 0, 0, 320, 240, sdl.WINDOW_SHOWN)
	defer window.Destroy()

	screen, _ := window.GetSurface()
	screen.FillRect(nil, sdl.MapRGBA(screen.Format, 255, 0, 0, 255))

    rt.X = 50
    rt.Y = 50
    rt.W = 30
    rt.H = 30
	screen.FillRect(&rt, 0xff00ff00)

    rt.X = 100
    rt.Y = 100
    rt.W = 50
    rt.H = 100
	screen.FillRect(&rt, 0xff0000ff)

	window.UpdateSurface()
    sdl.Delay(3000)
}

執行

$ go mod tidy
$ go run -v main.go