func main() {
rand.Seed(1211)
eye := ln.Vector{8, 8, 8}
center := ln.Vector{0, 0, 0}
up := ln.Vector{0, 0, 1}
scene := ln.Scene{}
for a := 0; a < 50; a++ {
n := 200
xs := LowPassNoise(n, 0.3, 4)
ys := LowPassNoise(n, 0.3, 4)
zs := LowPassNoise(n, 0.3, 4)
ss := LowPassNoise(n, 0.3, 4)
position := ln.Vector{}
for i := 0; i < n; i++ {
sphere := ln.NewOutlineSphere(eye, up, position, 0.1)
scene.Add(sphere)
s := (ss[i]+1)/2*0.1 + 0.01
v := ln.Vector{xs[i], ys[i], zs[i]}.Normalize().MulScalar(s)
position = position.Add(v)
}
}
width := 380.0 * 5
height := 315.0 * 5
fovy := 50.0
paths := scene.Render(eye, center, up, width, height, fovy, 0.1, 100, 0.01)
paths.WriteToPNG("out.png", width, height)
paths.Print()
}
