程式語言 - Golang - SDL 2.0 - Pixels Manipulation

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() {
    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()
	p := screen.Pixels()
    for i := 0; i < (320 * 240 * 4); i = i + 4 {
        p[i + 0] = 0x00
        p[i + 1] = 0x00
        p[i + 2] = 0xff
        p[i + 3] = 0x00
    }
 
    window.UpdateSurface()
    sdl.Delay(3000)
}

執行

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