2016 Update
This commit is contained in:
Tina Müller
parent
948b86eafa
commit
dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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@ -1,167 +1,138 @@
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; Some systems reports high CPU-load while running this code.
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; This may likely be due to the graphic driver used in the
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; 2D-function Plot().
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; If experiencing this problem, please reduce the #Width & #Height
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; or activate the parameter #UnLoadCPU below with a parameter 1 or 2.
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;
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; This code should work with the demo version of PureBasic on both PC & Linux
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; General parameters for the world
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#f = 1e-6
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#p = 1e-2
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#SeedATree = 0.005
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#Width = 400
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#Height = 400
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; Setting up colours
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#Fire = $080CF7
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#BackGround = $BFD5D3
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#YoungTree = $00E300
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#NormalTree = $00AC00
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#MatureTree = $009500
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#OldTree = $007600
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#Black = $000000
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; Depending on your hardware, use this to control the speed/CPU-load.
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; 0 = No load reduction
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; 1 = Only active about every second frame
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; 2 = '1' & release the CPU after each horizontal line.
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#UnLoadCPU = 0
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Enumeration
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#Empty =0
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#Ignited
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#Burning
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#Tree
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#Old=#Tree+20
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EndEnumeration
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Global Dim Forest.i(#Width, #Height)
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Global Title$="Forest fire in PureBasic"
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Global Cnt
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Macro Rnd()
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(Random(2147483647)/2147483647.0)
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EndMacro
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Procedure Limit(n, min, max)
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If n<min
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n=min
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ElseIf n>max
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n=max
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EndIf
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ProcedureReturn n
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EndProcedure
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Procedure SpreadFire(x,y)
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Protected cnt=0, i, j
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For i=Limit(x-1, 0, #Width) To Limit(x+1, 0, #Width)
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For j=Limit(y-1, 0, #Height) To Limit(y+1, 0, #Height)
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If Forest(i,j)>=#Tree
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Forest(i,j)=#Ignited
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EndIf
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Next
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Next
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EndProcedure
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Procedure InitMap()
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Protected x, y, type
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For y=1 To #Height
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For x=1 To #Width
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If Rnd()<=#SeedATree
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type=#Tree
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Else
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type=#Empty
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EndIf
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Forest(x,y)=type
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Next
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Next
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EndProcedure
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Procedure UpdateMap()
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Protected x, y
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For y=1 To #Height
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For x=1 To #Width
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Select Forest(x,y)
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Case #Burning
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Forest(x,y)=#Empty
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SpreadFire(x,y)
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Case #Ignited
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Forest(x,y)=#Burning
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Case #Empty
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If Rnd()<=#p
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Forest(x,y)=#Tree
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EndIf
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Default
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If Rnd()<=#f
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Forest(x,y)=#Burning
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Else
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Forest(x,y)+1
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EndIf
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EndSelect
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Next
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Next
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EndProcedure
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Procedure PresentMap()
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Protected x, y, c
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cnt+1
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SetWindowTitle(0,Title$+", time frame="+Str(cnt))
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StartDrawing(ImageOutput(1))
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For y=0 To OutputHeight()-1
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For x=0 To OutputWidth()-1
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Select Forest(x,y)
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Case #Empty
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c=#BackGround
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Case #Burning, #Ignited
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c=#Fire
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Default
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If Forest(x,y)<#Tree+#Old
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c=#YoungTree
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ElseIf Forest(x,y)<#Tree+2*#Old
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c=#NormalTree
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ElseIf Forest(x,y)<#Tree+3*#Old
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c=#MatureTree
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ElseIf Forest(x,y)<#Tree+4*#Old
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c=#OldTree
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Else ; Tree died of old age
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Forest(x,y)=#Empty
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c=#Black
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EndIf
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EndSelect
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Plot(x,y,c)
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Next
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CompilerIf #UnLoadCPU>1
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Delay(1)
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CompilerEndIf
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Next
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StopDrawing()
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ImageGadget(1, 0, 0, #Width, #Height, ImageID(1))
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EndProcedure
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If OpenWindow(0, 10, 30, #Width, #Height, Title$, #PB_Window_MinimizeGadget)
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SmartWindowRefresh(0, 1)
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If CreateImage(1, #Width, #Height)
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Define Event, freq
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If ExamineDesktops() And DesktopFrequency(0)
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freq=DesktopFrequency(0)
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Else
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freq=60
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EndIf
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AddWindowTimer(0,0,5000/freq)
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InitMap()
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Repeat
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Event = WaitWindowEvent()
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Select Event
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Case #PB_Event_CloseWindow
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End
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Case #PB_Event_Timer
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CompilerIf #UnLoadCPU>0
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Delay(25)
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CompilerEndIf
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UpdateMap()
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PresentMap()
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EndSelect
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ForEver
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EndIf
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EndIf
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width%=80
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height%=50
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DIM world%(width%+2,height%+2,2)
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clock%=0
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'
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empty%=0 ! some mnemonic codes for the different states
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burning%=1
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tree%=2
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'
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f=0.0003
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p=0.03
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max_clock%=100
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'
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@open_window
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@setup_world
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DO
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clock%=clock%+1
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EXIT IF clock%>max_clock%
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@display_world
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@update_world
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LOOP
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@close_window
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'
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' Setup the world
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'
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PROCEDURE setup_world
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LOCAL i%,j%
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'
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RANDOMIZE 0
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ARRAYFILL world%(),empty%
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' with Probability 0.5, create tree in cells
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FOR i%=1 TO width%
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FOR j%=1 TO height%
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IF RND>0.5
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world%(i%,j%,0)=tree%
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ENDIF
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NEXT j%
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NEXT i%
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'
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cur%=0
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new%=1
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RETURN
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'
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' Display world on window
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'
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PROCEDURE display_world
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LOCAL size%,i%,j%,offsetx%,offsety%,x%,y%
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'
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size%=5
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offsetx%=10
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offsety%=20
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'
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VSETCOLOR 0,15,15,15 ! colour for empty
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VSETCOLOR 1,15,0,0 ! colour for burning
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VSETCOLOR 2,0,15,0 ! colour for tree
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VSETCOLOR 3,0,0,0 ! colour for text
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DEFTEXT 3
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PRINT AT(1,1);"Clock: ";clock%
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'
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FOR i%=1 TO width%
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FOR j%=1 TO height%
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x%=offsetx%+size%*i%
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y%=offsety%+size%*j%
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SELECT world%(i%,j%,cur%)
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CASE empty%
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DEFFILL 0
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CASE tree%
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DEFFILL 2
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CASE burning%
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DEFFILL 1
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ENDSELECT
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PBOX x%,y%,x%+size%,y%+size%
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NEXT j%
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NEXT i%
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RETURN
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'
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' Check if a neighbour is burning
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'
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FUNCTION neighbour_burning(i%,j%)
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LOCAL x%
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'
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IF world%(i%,j%-1,cur%)=burning%
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RETURN TRUE
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ENDIF
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IF world%(i%,j%+1,cur%)=burning%
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RETURN TRUE
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ENDIF
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FOR x%=-1 TO 1
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IF world%(i%-1,j%+x%,cur%)=burning% OR world%(i%+1,j%+x%,cur%)=burning%
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RETURN TRUE
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ENDIF
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NEXT x%
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RETURN FALSE
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ENDFUNC
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'
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' Update the world state
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'
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PROCEDURE update_world
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LOCAL i%,j%
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'
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FOR i%=1 TO width%
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FOR j%=1 TO height%
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world%(i%,j%,new%)=world%(i%,j%,cur%)
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SELECT world%(i%,j%,cur%)
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CASE empty%
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IF RND>1-p
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world%(i%,j%,new%)=tree%
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ENDIF
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CASE tree%
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IF @neighbour_burning(i%,j%) OR RND>1-f
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world%(i%,j%,new%)=burning%
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ENDIF
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CASE burning%
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world%(i%,j%,new%)=empty%
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ENDSELECT
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NEXT j%
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NEXT i%
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'
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cur%=1-cur%
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new%=1-new%
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RETURN
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'
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' open and clear window
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'
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PROCEDURE open_window
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OPENW 1
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CLEARW 1
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VSETCOLOR 4,8,8,0
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DEFFILL 4
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PBOX 0,0,500,400
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RETURN
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'
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' close the window after keypress
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'
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PROCEDURE close_window
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~INP(2)
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CLOSEW 1
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RETURN
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