Server/cmd/generate-xy-image/main.go

package main

import (
	"git.aiterp.net/lucifer3/server/internal/color"
	"image"
	color2 "image/color"
	"image/png"
	"log"
	"os"
)

func main() {
	img := image.NewRGBA(image.Rect(0, 0, 500, 500))
	for y := 0; y < 500; y += 1 {
		for x := 0; x < 500; x += 1 {
			rgb := (color.XY{X: float64(x) / 499, Y: float64(y) / 499}).ToRGB()

			if y == 300 {
				log.Println(rgb.Red, rgb.Green, rgb.Blue)
			}

			img.Set(x, y, color2.RGBA{
				R: uint8(rgb.Red * 255.0),
				G: uint8(rgb.Green * 255.0),
				B: uint8(rgb.Blue * 255.0),
				A: 255,
			})
		}
	}

	_ = png.Encode(os.Stdout, img)
}