func main() {
// mesh, err := ln.LoadBinarySTL("bowser.stl")
mesh, err := ln.LoadOBJ("examples/suzanne.obj")
if err != nil {
panic(err)
}
mesh.FitInside(ln.Box{ln.Vector{-1, -1, -1}, ln.Vector{1, 1, 1}}, ln.Vector{0.5, 0.5, 0.5})
for i := 0; i < Slices; i++ {
fmt.Printf("slice%04d\n", i)
p := (float64(i)/(Slices-1))*2 - 1
point := ln.Vector{0, 0, p}
plane := ln.Plane{point, ln.Vector{0, 0, 1}}
paths := plane.IntersectMesh(mesh)
paths = paths.Transform(ln.Scale(ln.Vector{Size / 2, Size / 2, 1}).Translate(ln.Vector{Size / 2, Size / 2, 0}))
paths.WriteToPNG(fmt.Sprintf("slice%04d.png", i), Size, Size)
// paths.WriteToSVG(fmt.Sprintf("slice%04d.svg", i), Size, Size)
}
}
func (s *Shape) Paths() ln.Paths {
var result ln.Paths
// for i := 0; i < 360; i++ {
// fmt.Println(i)
// a := ln.Radians(float64(i))
// x := math.Cos(a)
// y := math.Sin(a)
// plane := ln.Plane{ln.Vector{}, ln.Vector{x, y, 0}}
// paths := plane.IntersectMesh(&s.Mesh)
// result = append(result, paths...)
// }
for i := 0; i <= 100; i++ {
fmt.Println(i)
p := float64(i) / 100
plane := ln.Plane{ln.Vector{0, 0, p*2 - 1}, ln.Vector{0, 0, 1}}
result = append(result, plane.IntersectMesh(&s.Mesh)...)
plane = ln.Plane{ln.Vector{p*2 - 1, 0, 0}, ln.Vector{1, 0, 0}}
result = append(result, plane.IntersectMesh(&s.Mesh)...)
plane = ln.Plane{ln.Vector{0, p*2 - 1, 0}, ln.Vector{0, 1, 0}}
result = append(result, plane.IntersectMesh(&s.Mesh)...)
}
return result
}