Tower of Hanoi

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// This snippet has been shared from Fun3D web site.
// You can run it in your web browser at: www.fun3d.net!
let countOfDisks = 10
 
let initialState = [for x in 1..countOfDisks do yield x], List.empty, List.empty 
 
let bottDiskSize = 4.
let cylHeight = 4.0
let diskSize size = size * bottDiskSize / float(countOfDisks)
let diskHeight = cylHeight / float(countOfDisks)
let diskPosition pos = pos * diskHeight
let cyl = 
    Fun.cylinder
    |> Fun.scale (0.2, cylHeight, 0.2)
    |> Fun.move (0.0, cylHeight / 2., 0.0 ) 
    |> Fun.color 0xffff00
 
let bottDisk = 
//    Fun.empty
    Fun.cylinder
    |> Fun.scale (bottDiskSize, 0.1, bottDiskSize)
    |> Fun.move (0.0, -0.05, 0.0) 
    |> Fun.color 0xff00ff
 
let disk pos size = 
    let size = float(size)
    Fun.cylinder
    |> Fun.scale (diskSize size, diskHeight, diskSize size)
    |> Fun.move (0.0, diskPosition pos + (diskHeight/2.), 0.0) 
 
let tower towerState position =  
    towerState
    |> List.rev
    |> List.mapi (fun i v -> float(i),v)
    |> List.fold (fun s (pos,size) -> s $ disk pos size ) (bottDisk $ cyl) 
    |> Fun.move (position, 0.0, 0.0)
 
let  renderState state =
     let tower1,tower2, tower3 = state
     let towers = tower tower1 (-bottDiskSize - 0.1) $
                  tower tower2 0. $
                  tower tower3 (bottDiskSize + 0.1)
     towers |> Fun.move (0.0, -cylHeight/2., 0.0)
 
renderState initialState

val countOfDisks : int

Full name: Script.countOfDisks

val initialState : int list * int list * int list

Full name: Script.initialState

val x : int

Multiple items
module List

from Microsoft.FSharp.Collections

--------------------
type List<'T> =
  | ( [] )
  | ( :: ) of Head: 'T * Tail: 'T list
  interface IEnumerable
  interface IEnumerable<'T>
  member Head : 'T
  member IsEmpty : bool
  member Item : index:int -> 'T with get
  member Length : int
  member Tail : 'T list
  static member Cons : head:'T * tail:'T list -> 'T list
  static member Empty : 'T list

Full name: Microsoft.FSharp.Collections.List<_>

val empty<'T> : 'T list

Full name: Microsoft.FSharp.Collections.List.empty

val bottDiskSize : float

Full name: Script.bottDiskSize

val cylHeight : float

Full name: Script.cylHeight

val diskSize : size:float -> float

Full name: Script.diskSize

val size : float

Multiple items
val float : value:'T -> float (requires member op_Explicit)

Full name: Microsoft.FSharp.Core.Operators.float

--------------------
type float = System.Double

Full name: Microsoft.FSharp.Core.float

--------------------
type float<'Measure> = float

Full name: Microsoft.FSharp.Core.float<_>

val diskHeight : float

Full name: Script.diskHeight

val diskPosition : pos:float -> float

Full name: Script.diskPosition

val pos : float

val cyl : obj

Full name: Script.cyl

val bottDisk : obj

Full name: Script.bottDisk

val disk : pos:'a -> size:int -> 'b

Full name: Script.disk

val pos : 'a

val size : int

val tower : towerState:int list -> position:'a -> 'b

Full name: Script.tower

val towerState : int list

val position : 'a

val rev : list:'T list -> 'T list

Full name: Microsoft.FSharp.Collections.List.rev

val mapi : mapping:(int -> 'T -> 'U) -> list:'T list -> 'U list

Full name: Microsoft.FSharp.Collections.List.mapi

val i : int

val v : int

val fold : folder:('State -> 'T -> 'State) -> state:'State -> list:'T list -> 'State

Full name: Microsoft.FSharp.Collections.List.fold

val s : obj

val renderState : int list * int list * int list -> 'a

Full name: Script.renderState

val state : int list * int list * int list

val tower1 : int list

val tower2 : int list

val tower3 : int list

val towers : '_arg3

Raw view Test code New version

More information

Link:	http://fssnip.net/rb
Posted:	9 years ago
Author:	Hodza Nassredin
Tags:	fun3d