84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
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package main
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import "math"
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import "image"
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import "math/rand"
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import "image/color"
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import "git.tebibyte.media/tomo/x"
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import "git.tebibyte.media/tomo/tomo"
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func main () {
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tomo.Register(0, x.NewBackend)
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err := tomo.Run(run)
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if err != nil { panic(err) }
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}
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func run () {
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window, err := tomo.NewWindow(image.Rect(0, 0, 256, 256))
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if err != nil { panic(err) }
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texture := tomo.NewTexture(coolTexture())
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box := tomo.NewBox()
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box.SetColor(color.Black)
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box.SetTextureCenter(texture)
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box.SetBorder (
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tomo.Border {
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Color: [4] color.Color {
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color.Black, color.Black,
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color.Black, color.Black },
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Width: tomo.I(2),
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},
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tomo.Border {
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Color: [4] color.Color {
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color.White, color.White,
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color.White, color.White },
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Width: tomo.I(2),
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})
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window.SetRoot(box)
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window.OnClose(tomo.Stop)
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window.SetVisible(true)
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}
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func coolTexture () image.Image {
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// this picture IS COOL because i spent AN HOUR on it when i could have
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// been FIXING BUGS!
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speedX := 0.015
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speedY := 0.035
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bitmap := image.NewRGBA (image.Rect(0, 0, 200, 200))
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for y := bitmap.Bounds().Min.Y; y < bitmap.Bounds().Max.Y; y++ {
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for x := bitmap.Bounds().Min.X; x < bitmap.Bounds().Max.X; x++ {
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value := ((
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math.Sin(float64(y) * speedY) +
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math.Cos(float64(x) * speedX)) + 2) / 4
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value *= 0.7
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r := value * 0.7 + 0.3
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g := math.Sin(value * 7) * 0.7
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b := (1 - value) * 0.7
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noise := math.Mod(rand.Float64(), 1)
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noise = math.Pow(noise, 2) + noise * 0.5
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noise *= 0.05
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channel := func (f float64) uint8 {
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contrast := 1.4
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f = f * (contrast) - ((contrast - 1) / 2)
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if f < 0 { f = 0 }
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if f > 1 { f = 1 }
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return uint8(f * 255)
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}
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bitmap.Set(x, y, color.RGBA {
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R: channel(r + noise),
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G: channel(g + noise),
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B: channel(b + noise),
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A: 255,
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})
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}}
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return bitmap
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}
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