SCREEN 400,300
'Const sw=400
'Const sh=300
sw=200
sh=150
SCREEN sw,sh,0,2
Smooth2D ON
kuva=LoadImage("media/map.bmp")
ResizeImage kuva,sw,sh
DrawImage kuva,0,0
DrawScreen
precalc= Timer()
Dim offset(sw,sh,1) As Float
Dim col(sw,sh,2)
'Lock' Image(kuva)
For x=1 To sw-1
    For y=1 To sh-1
        ox=0
        oy=0
        For xx=-1 To 1
            For yy=-1 To 1
                PickImageColor kuva,x+xx,y+yy
                If xx And yy Then
                    c=((getRGB(RED)+getRGB(GREEN)+getRGB(BLUE)))/3
                    'v=GetPixel(x+xx,y+yy)

                    If xx=0 And yy=0 Then d=c
                    d=Distance(0,0,xx,yy)
                    ox=ox+c*xx/d

                    oy=oy+c*yy/d
                Else
                    col(x,y,0)=getRGB(RED)
                    col(x,y,1)=getRGB(GREEN)
                    col(x,y,2)=getRGB(BLUE)
                EndIf
            Next yy
        Next xx
        'SetWindow ""+ox
        'normalisoini tänne
        offset(x,y,0)=ox'-d*3
        offset(x,y,1)=oy'-d*3
    Next y
    SetWindow ""+(x/2)
Next x
'Unlock
precalc = Timer() - precalc

Repeat
    t=Timer()/3
    x1=sw/2+Sin(t/5)*sw/3
    x2=sw/2+Sin(t/7)*sw/3
    x3=sw/2+Sin(t/11)*sw/3
    y1=sh/2+Sin(t/7)*sh/3
    y2=sh/2+Sin(t/11)*sh/3
    y3=sh/2+Sin(t/13)*sh/3
    Lock

    For x=1 To sw-1
        'a= Not a
        For y=1+a To sh-2 'Step 2
            'v3=ATan(20/Distance(x3,y3,x+offset(x,y,0),y+offset(x,y,1)))
            'v2=ATan(20/Distance(x2,y2,x+offset(x,y,0),y+offset(x,y,1)))
            'v=ATan(20/Distance(x1,y1,x+offset(x,y,0),y+offset(x,y,1)))
            'PutPixel2 x,y,'v+v2 shl 8 +v3 shl 16'<>0)*255
            'v#=ATan(20/Distance(x1,y1,x+offset(x,y,0),y+offset(x,y,1)))/90
            'v3#=ATan(20/Distance(x3,y3,x+offset(x,y,0),y+offset(x,y,1)))/90
            'v2#=ATan(20/Distance(x2,y2,x+offset(x,y,0),y+offset(x,y,1)))/90
            v#=sin(ATan(10/Distance(x1,y1,x-offset(x,y,0),y-offset(x,y,1))))'/90
            v3#=sin(ATan(10/Distance(x3,y3,x-offset(x,y,0),y-offset(x,y,1))))'/90
            v2#=sin(ATan(10/Distance(x2,y2,x-offset(x,y,0),y-offset(x,y,1))))'/90
            'v#=valo(int(x+offset(x,y,0)+256+sw+x1),Int(y+offset(x,y,1)+256+sh)+x2)
            PutPixel2 x,y,Int(col(x,y,0)*v Shl 16+col(x,y,1)*v2 Shl 8+col(x,y,2)*v3)
            'CopyBox int(x+offset(x,y,0)),Int(y+offset(x,y,1)),1,1,x-sw/2,y-sh/2,Image(kuva),SCREEN()
        Next y
    Next x
    Unlock
    SetWindow FPS()+" "+precalc
    DrawScreen OFF
Forever
WaitKey