Maze 2d - Recursive Backtracker

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Pakz	Created : 11 December 2016 Language : Other Maze 2d - Recursive Backtracker Monkey 2 maze generator - tilemap
Here the emscripten page on my homepage. (note on tablets/phones there might be problems.) cromdesi.home.xs4all.nl/emscripten/maze/Untitled1.html Here the monkey 2 code: #Import "<std>" #Import "<mojo>" Using std.. Using mojo.. Class maze Field sw:Int,sh:Int Field mw:Int,mh:Int Field tmw:Int,tmh:Int Field tw:Float,th:Float Field mazex:Stack<Int> = New Stack<Int> Field mazey:Stack<Int> = New Stack<Int> Field tilemap:Int[,] = New Int[1,1] Field map:Int[,] = New Int[1,1] Field map2:Int[,,] = New Int[1,1,1] Enum wall up=1, right=2, down=3, left=4 End Enum Method New(sw:int,sh:Int,mw:Int,mh:Int) Self.sw = sw Self.sh = sh Self.mw = mw Self.mh = mh tmw = (mw2)+1 tmh = (mh2)+1 tw = Float(sw)/((Float(tmw))) th = Float(sh)/((Float(tmh))) tilemap = New Int[mw3,mh3] map = New Int[mw,mh] map2 = New Int[mw,mh,4] makemaze() End Method Method makemaze() Local ax:Int[] = New Int[](0,1,0,-1) Local ay:Int[] = New Int[](-1,0,1,0) mazex.Push(Rnd(mw)) mazey.Push(Rnd(mh)) While mazex.Empty = False Local x:Int=mazex.Top Local y:Int=mazey.Top Local d:Int[] = New Int[4] Local deadend:Bool=True For Local i:=0 Until ax.Length Local x2:Int=x+ax[i] Local y2:Int=y+ay[i] If x2>=0 And x2<mw And y2>=0 And y2<mh If map[x2,y2] = 0 d[i] = 1 deadend=False End If End If Next If deadend = False Local eloop:Bool=False While eloop = False Local r:Int=Rnd(0,4) If d[r] = 1 Then eloop = True Local nx:Int=x+ax[r] Local ny:Int=y+ay[r] map2[x,y,r] = 1 mazex.Push(nx) mazey.Push(ny) map[x,y] = 1 map[nx,ny] = 1 End If Wend Else ' if nothing happened than backtrace mazex.Pop() mazey.Pop() End If Wend ' convert the map into a tilemap For Local y:=0 Until mh For Local x:=0 Until mw Local x2:Int=x2 Local y2:Int=y2 If map[x,y] = 1 Then tilemap[x2+1,y2+1] = 1 If map2[x,y,0] = 1 Then tilemap[x2+1,y2] = 1 If map2[x,y,1] = 1 Then tilemap[x2+2,y2+1] = 1 If map2[x,y,2] = 1 Then tilemap[x2+1,y2+2] = 1 If map2[x,y,3] = 1 Then tilemap[x2,y2+1] = 1 Next Next End Method Method draw(canvas:Canvas) canvas.Clear(Color.Black) canvas.Color = Color.Brown For Local y:Float=0 Until tmh Step 1 For Local x:float=0 Until tmw Step 1 Local x2:Float=(xtw) Local y2:Float=(yth) If tilemap[x,y] = 1 Then canvas.DrawRect(x2,y2,tw,th) End If Next Next End Method End Class Global mymaze:maze Class MyWindow Extends Window Field cnt:Int=0 Method New() Title="Maze - Recursive backtracker." mymaze = New maze(Width,Height,10,10) End Method Method OnRender( canvas:Canvas ) Override App.RequestRender() ' Activate this method cnt+=1 ' If Keyboard.KeyReleased(Key.Space) Or Mouse.ButtonReleased(MouseButton.Left) Or cnt>500 Then cnt=0 SeedRnd(Millisecs()) Local s:Int=Rnd(10,64) mymaze = New maze(Width,Height,s,s) End If ' mymaze.draw(canvas) ' canvas.Color = Color.White canvas.DrawText("Press space or tap for new maze",0,0) ' if key escape then quit If Keyboard.KeyReleased(Key.Escape) Then App.Terminate() End Method End Class Function Main() New AppInstance New MyWindow App.Run() End Function --v

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Maze 2d - Recursive Backtracker

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