28 lines
414 B
Go
28 lines
414 B
Go
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package main
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import (
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"math"
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"github.com/fogleman/gg"
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)
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func main() {
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const S = 1024
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const N = 2048
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dc := gg.NewContext(S, S)
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dc.SetRGB(1, 1, 1)
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dc.Clear()
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dc.SetRGB(0, 0, 0)
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for i := 0; i <= N; i++ {
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t := float64(i) / N
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d := t*S*0.4 + 10
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a := t * math.Pi * 2 * 20
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x := S/2 + math.Cos(a)*d
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y := S/2 + math.Sin(a)*d
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r := t * 8
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dc.DrawCircle(x, y, r)
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}
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dc.Fill()
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dc.SavePNG("out.png")
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}
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