Procedure OnErrorMessage()
  Protected Fehler.s
  Fehler = "Fehler in Modul '" + GetErrorModuleName() + "' an Adresse " + RSet(Hex(GetErrorAddress()), 4, "0") + " in Zeile " + Str(GetErrorLineNR()) + ":" + Chr(13) + GetErrorDescription()
  MessageRequester("Fehler Nr. " + Str(GetErrorNumber()), Fehler)
  SetClipboardText("Fehler Nr. " + Str(GetErrorNumber()) + Chr(13) + Fehler)
  End
EndProcedure
OnErrorGosub(@OnErrorMessage())

Reibung.f = 0.10          ; in Prozent / 100
Wirkung.f = 30            ; Gibt an, ab welcher Entfernung die Anziehungs- bzw. Abstoßungskraft wirkt
Gravity.f = 1.0           ; Gibt die Beschleunigung bei Abstand Null zweier Mittelpunkte an
Abstossung.l = #True      ; Kollisionart: #True = Abstoßung, #False = Wegschiebung

#MaxGravRad.f = 15        ; Wenn der Radius eines Blobs #MaxGravRad ist, ist die Anziehungskraft Gravity (alles proportional)
#MaxRad.f = 15            ; Maximaler Radius für die Blobs
#MinRad.f = 5             ; Minimaler Radius für die Blobs
#MinColor.l = 127         ; Mindesthelligkeit der Blobs (0 - 255)

Variant.l = #False        ; Anziehung: #False=pos/neg, #True=gleiche (Switch mit Leertaste)
#ShowVariantTime = 1000   ; Anzeigezeit der Variationsanzeige (gleich / ungleich)
FPSShow.l = #False        ; FPS anzeigen (Switch mit F)
ShowHelp.l = #False       ; Status anzeigen
#AddDelShowTime.l = 1000  ; Anzeigezeit bei + und -
#AddDelTime.l = 200       ; Verzögerung nach erstem Tastendruck von + oder -

RandDist.l = 50
#RandSpd.f = 10

Blobs.l = 200             ; Anzahl an Blobs zu Programmbeginn

#PI.f = 3.14159265        ; PI

#Width = 640              ; Auflösung
#Height = 480

#Depth = 32               ; Farbtiefe
#FPSAkt = 1000            ; FPS-Aktualisierung

EllipseLines.l = 50       ; Anzahl der Ellipsen
EllipseMove.f = 4
EllipseVol.l = #False     ; Soll die Ellipse ausgefüllt sein, oder nicht

; Sonstiges
AddDelNow.l = 0
AddDelShowNow.l = 0
ShowVariantNow.l = 0
NewBlobs.l = Blobs
HalfDia.f = Sqr(#Width * #Width / 4 + #Height * #Height / 4)
CaptureMouse.l = -1
EllipseValue.l = 0
MenuHeight.l = 0
#TextWidth = 120

Dim WinMouseButton(2)
Dim WinKeyboardPushed(255)
Dim WinKeyboardReleased(255)

Structure Blobs
  x.f
  y.f
  xspd.f
  yspd.f
  r.f
  c.l
  c2.l
  typ.l ; 0 = negativ, 1 = postiv
EndStructure

;{- Procedures

Procedure CreateBlobs(typ1.l, typ2.l)
  Protected a.l
  Shared Blobs
  
  If typ1 >= 0 And typ2 >= 0
    Blobs = typ1 + typ2
  EndIf
  
  Dim Blobs.Blobs(Blobs - 1)
  For a.l = 0 To Blobs - 1
    Blobs(a)\r = Random(#MaxRad - #MinRad) + #MinRad
    
    If typ1 = -1 And typ2 = -1
      Blobs(a)\typ = a & 1
    Else
      If typ1
        Blobs(a)\typ = 0
        typ1 - 1
      Else
        Blobs(a)\typ = 1
      EndIf
    EndIf
    f.l = #MinColor + (255 - #MinColor) * Blobs(a)\r / #MaxRad
    Select Blobs(a)\typ
      Case 0
        Blobs(a)\c = RGB(0, 0, f)
      Default
        Blobs(a)\typ = 1
        Blobs(a)\c = RGB(f, 0, 0)
    EndSelect
    
    Blobs(a)\x = Random(#Width - Blobs(a)\r * 2) + Blobs(a)\r
    Blobs(a)\y = Random(#Height - Blobs(a)\r * 2) + Blobs(a)\r
    Blobs(a)\xspd = 0
    Blobs(a)\yspd = 0
  Next
EndProcedure

Procedure.f Distance(x1.f, y1.f, x2.f, y2.f) ; Gibt den Abstand zweier Punkte zurück
  Protected a.f, b.f
  a = x2 - x1
  b = y2 - y1
  
  ProcedureReturn Sqr(a * a + b * b)
EndProcedure

Procedure.f GetAngle(x1.f, y1.f, x2.f, y2.f) ; Gibt den Winkel zwischen zwei Punkten im Bogenmaß zurück
  Protected w.f
  w = ATan((y2 - y1) / (x2 - x1))
  If x2 < x1
    w = w + #PI
  EndIf
  If w < 0 : w + 2 * #PI : EndIf
  If w > 2 * #PI : w - 2 * #PI : EndIf
  
  ProcedureReturn w
EndProcedure

Procedure.f Pan(Pos1.f, Pos2.f, a1.l, a2.l) ; a1 = 0 -> Pos1, a1 = a2 -> Pos2
  Protected Result.f
  Result = Pos1 * (a2 - a1) / a2 + Pos2 * a1 / a2
  ProcedureReturn Result
EndProcedure

Procedure.l Error(a.l, Text.s)
  If a = 0
    MessageRequester("Blobs", Text, #MB_ICONERROR)
    End
  EndIf
  ProcedureReturn a
EndProcedure

;}

If Error(OpenWindow(0, 0, 0, 120, 40, #PB_Window_ScreenCentered | #PB_Window_SystemMenu, "Blobs"), "Konnte Fenster nicht öffnen") ;{
  If Error(CreateGadgetList(WindowID(0)), "Konnte keine Gadgetliste erstellen")
    ButtonGadget(0, 0, 0, 120, 20, "Vollbild")
    ButtonGadget(1, 0, 20, 120, 20, "Fenstermodus", #PB_Button_Default)
    Repeat
      Select WaitWindowEvent()
        Case #PB_EventCloseWindow : End
        Case #PB_EventGadget
          Select EventGadgetID()
            Case 0 : Windowed = #False : Break
            Case 1 : Windowed = #True  : Break
          EndSelect
        Case #WM_KeyDown
          If EventwParam() = #VK_Return
            Windowed = #True  : Break
          EndIf
      EndSelect
    ForEver
  EndIf
  CloseWindow(0)
EndIf;}


;{- Init Sprite, Keyboard, Mouse
Error(InitSprite(), "InitSprite() ist fehlgeschlagen.")
If Windowed = #False
  Error(InitKeyboard(), "InitKeyboard() ist fehlegschlagen.")
  Error(InitMouse(), "InitMouse() ist fehlgeschlafen.")
EndIf
;}



If Windowed ;{ Hauptfenster erstellen
  If Error(OpenWindow(0, 0, 0, 1, 1, #PB_Window_SystemMenu, "Blobs"), "Konnte Fenster nicht öffnen.")
    HideWindow(0, 1)
    If Error(CreateGadgetList(WindowID(0)), "Konnte Gadgetlist nicht erstellen.")
      MenuWidth.l = 110
      MenuHeight.l = 80
      
      ; Menü oben
      y.l = 0
      Gad_E1 = TrackBarGadget(#PB_Any, MenuWidth + 5, y, #Width - #TextWidth, 20, 0, 1000)
      Gad_T1 = TextGadget(#PB_Any, MenuWidth + 5 + #Width - #TextWidth, y, #TextWidth, 20, "Wirkradius: " + StrF(Wirkung, 0), #PB_Text_Border)
      SetGadgetState(Gad_E1, Wirkung)
      y + 20
      
      Gad_E2 = TrackBarGadget(#PB_Any, MenuWidth + 5, y, #Width - #TextWidth, 20, 0, 200)
      Gad_T2 = TextGadget(#PB_Any, MenuWidth + 5 + #Width - #TextWidth, y, #TextWidth, 20, "Anziehung: " + StrF(Gravity, 2), #PB_Text_Border)
      SetGadgetState(Gad_E2, Gravity * 100)
      y + 20
      
      Gad_E3 = TrackBarGadget(#PB_Any, MenuWidth + 5, y, #Width - #TextWidth, 20, 0, 100)
      Gad_T3 = TextGadget(#PB_Any, MenuWidth + 5 + #Width - #TextWidth, y, #TextWidth, 20, "Reibung: " + Str(Reibung * 100) + "%", #PB_Text_Border)
      SetGadgetState(Gad_E3, Reibung * 100)
      y + 20
      
      Gad_E7 = TrackBarGadget(#PB_Any, MenuWidth + 5, y, #Width - #TextWidth, 20, 1, #Height / 2)
      Gad_T7 = TextGadget(#PB_Any, MenuWidth + 5 + #Width - #TextWidth, y, #TextWidth, 20, "Randstärke: " + Str(RandDist) + " Px", #PB_Text_Border)
      SetGadgetState(Gad_E7, RandDist)
      
      ;Menü links
      y = MenuHeight
      Frame3DGadget(#PB_Any, 0, y, MenuWidth, 60, "Kollisionsart")
      Gad_E4a = OptionGadget(#PB_Any, 5, MenuHeight + 15,  MenuWidth - 10, 20, "Abstoßung")
      Gad_E4b = OptionGadget(#PB_Any, 5, MenuHeight + 35, MenuWidth - 10, 20, "Wegschiebung")
      If Abstossung : SetGadgetState(Gad_E4a, #True) : Else : SetGadgetState(Gad_E4b, #True) : EndIf
      y + 65
      
      Frame3DGadget(#PB_Any, 0, y, MenuWidth, 60, "Ellipsen")
      Gad_T5 = TextGadget(#PB_Any, 5, y + 17, 40, 16, "Anzahl:")
      Gad_E5 = SpinGadget(#PB_Any, 45, y + 15, MenuWidth - 50, 20, 0, 200)
      Gad_E6 = CheckBoxGadget(#PB_Any, 5, y + 40, MenuWidth - 10, 16, "Ausgefüllt")
      SetGadgetState(Gad_E5, EllipseLines)
      SetGadgetText(Gad_E5, Str(EllipseLines))
      SetGadgetState(Gad_E6, EllipseVol)
      y + 61
      
      Frame3DGadget(#PB_Any, 0, y, MenuWidth, 85, "Neue Blobs")
      TextGadget(#PB_Any, 5, y + 17, 30, 16, "Blau:")
      Gad_E8a = StringGadget(#PB_Any, 35, y + 15, MenuWidth - 40, 20, "0", #PB_String_Numeric)
      TextGadget(#PB_Any, 5, y + 37, 30, 16, "Rot:")
      Gad_E8b = StringGadget(#PB_Any, 35, y + 35, MenuWidth - 40, 20, "0", #PB_String_Numeric)
      Gad_E8c = ButtonGadget(#PB_Any, 5, y + 60, MenuWidth - 10, 20, "Neu", #PB_Button_Default)
      
    EndIf
    ResizeWindow(#Width + MenuWidth + 5, #Height + MenuHeight + 5)
    MoveWindow((GetSystemMetrics_(#SM_CXSCREEN) - WindowWidth()) / 2, (GetSystemMetrics_(#SM_CYSCREEN) - WindowHeight()) / 2)
    Error(OpenWindowedScreen(WindowID(0), MenuWidth + 5, MenuHeight + 5, #Width, #Height, 0, 0, 0), "Konnte Screen nicht erstellen")
    HideWindow(0, 0)
  EndIf
Else
  Error(OpenScreen(#Width, #Height, #Depth, "Blobs"), "Konnte Screen nicht erstellen")
EndIf ;}

CreateBlobs(-1, -1)

Repeat
  ;{- Tastatureingabe
  If Windowed = #False
    ExamineKeyboard()
    WinKeyboardPushed(#PB_Key_Escape) = KeyboardPushed(#PB_Key_Escape)
    WinKeyboardReleased(#PB_Key_Space) = KeyboardReleased(#PB_Key_Space)
    WinKeyboardReleased(#PB_Key_F) = KeyboardReleased(#PB_Key_F)
    WinKeyboardReleased(#PB_Key_F5) = KeyboardReleased(#PB_Key_F5)
    WinKeyboardPushed(#PB_Key_F1) = KeyboardPushed(#PB_Key_F1)
    WinKeyboardPushed(#PB_Key_Add) = KeyboardPushed(#PB_Key_Add)
    WinKeyboardPushed(#PB_Key_Subtract) = KeyboardPushed(#PB_Key_Subtract)
  EndIf
  
  If WinKeyboardPushed(#PB_Key_Escape) : Break : EndIf
  If WinKeyboardReleased(#PB_Key_Space)
    ShowVariantNow = ElapsedMilliseconds() + #ShowVariantTime
    Variant ! 1
  EndIf
  If WinKeyboardReleased(#PB_Key_F) : FPSShow ! 1 : EndIf
  If WinKeyboardReleased(#PB_Key_F5) : Blobs = NewBlobs : CreateBlobs(-1, -1) : EndIf
  If WinKeyboardPushed(#PB_Key_F1) : ShowHelp = #True : Else : ShowHelp = #False : EndIf
  
  If WinKeyboardPushed(#PB_Key_Add)
    If AddDelNow = 0
      AddDelNow = ElapsedMilliseconds() + #AddDelTime
      NewBlobs + 1
    ElseIf ElapsedMilliseconds() > AddDelNow
      NewBlobs + 1
    EndIf
    AddDelShowNow = ElapsedMilliseconds() + #AddDelShowTime
    
  ElseIf WinKeyboardPushed(#PB_Key_Subtract)
    If AddDelNow = 0
      AddDelNow = ElapsedMilliseconds() + #AddDelTime
      If NewBlobs > 0 : NewBlobs - 1 : EndIf
    ElseIf ElapsedMilliseconds() > AddDelNow
      If NewBlobs > 0 : NewBlobs - 1 : EndIf
    EndIf
    AddDelShowNow = ElapsedMilliseconds() + #AddDelShowTime
    
  Else
    AddDelNow = 0
  EndIf
  ;}
  
  ;{- Maus
  If Windowed
    MouseX.l = WindowMouseX() - MenuWidth - 5
    MouseY.l = WindowMouseY() - MenuHeight - 5
  Else
    ExamineMouse()
    MouseX.l = MouseX()
    MouseY.l = MouseY()
    WinMouseButton(1) = MouseButton(1)
    WinMouseButton(2) = MouseButton(2)
  EndIf
   
  If MouseX = -1 : MouseX = 0 : EndIf
  If MouseY = -1 : MouseY = 0 : EndIf
  
  If CaptureMouse >= 0
    If CaptureMouse > Blobs : CaptureMouse = 0 : EndIf
    MouseX = Blobs(CaptureMouse)\x
    MouseY = Blobs(CaptureMouse)\y
    If WinMouseButton(2)
      MouseLocate(MouseX, MouseY)
      CaptureMouse = -1
    EndIf
  Else
    If WinMouseButton(1)
      For a.l = 0 To Blobs - 1
        If Distance(MouseX, MouseY, Blobs(a)\x, Blobs(a)\y) < Blobs(a)\r
          CaptureMouse = a
          Break
        EndIf
      Next
    EndIf
  EndIf
  ;}
  
  ;{ FPS zählen
  If FPSTime < ElapsedMilliseconds()
    FPS.f = FPSCount * 1000 / #FPSAkt
    FPSTime.l = ElapsedMilliseconds() + #FPSAkt
    FPSCount = 0
  Else
    FPSCount + 1
  EndIf
  ;}
  
  
  ; Bildschirm löschen
  ClearScreen(0, 0, 0)
  
  
  ;{- Zeichne Blobs und Hilfetexte
  StartDrawing(ScreenOutput())
    
    EllipseValue + EllipseMove
    If EllipseValue > 360 : EllipseValue - 360 : EndIf
    
    If EllipseVol
      DrawingMode(0)
    Else
      DrawingMode(4)
    EndIf
    FrontColor(255, 255, 255)
    If EllipseLines
      For a = EllipseLines To 1 Step - 1
        r.f = Pow(a / EllipseLines, 1 + (Sin(EllipseValue.l * #PI / 180) + 1))
        
        rx.f = #Width * 1.4142 * r / 2
        ry.f = #Height * 1.4142 * r / 2
        f.l = a * 255 / EllipseLines
        Ellipse(Pan(MouseX, #Width / 2, a, EllipseLines), Pan(MouseY, #Height / 2, a, EllipseLines), rx, ry, RGB(255 - f, 0, f))
      Next
    EndIf
    
    DrawingMode(0)
    For a = 0 To Blobs - 1
      Circle(Blobs(a)\x, Blobs(a)\y, Blobs(a)\r, Blobs(a)\c | RGB(0, Blobs(a)\c2 / 2, 0))
    Next
    
    If CaptureMouse = -1
      Line(MouseX - 5, MouseY, 10, 0, $FFFFFF)
      Line(MouseX, MouseY - 5, 0, 10, $FFFFFF)
    EndIf
    
    ; Hilfetexte
    
    DrawingMode(1)
    y.l = 5
    If FPSShow
      FrontColor(255, 255, 255)
      Locate(5, y) : y + 16 : DrawText("FPS: " + StrF(FPS))
    EndIf
    
    If ShowVariantNow Or ShowHelp
      If ElapsedMilliseconds() > ShowVariantNow : ShowVariantNow = 0 : EndIf
      FrontColor(255, 255, 255)
      Locate(5, y) : y + 16
      Select Variant
        Case 0 : DrawText("Anziehung: ungleiche")
        Case 1 : DrawText("Anziehung: gleiche")
      EndSelect
    EndIf
    If ShowHelp
      FrontColor(255, 255, 255)
      Locate(5, y) : y + 16 : DrawText("Kollisionen: " + Str(Collisions))
      Locate(5, y) : y + 16 : DrawText("Blobs: " + Str(Blobs))
      FrontColor(0, 255, 0)
      Locate(5, y) : y + 16 : DrawText("Esc   = Programm beenden")
      Locate(5, y) : y + 16 : DrawText("Space = Anziehungskraft wechseln")
      Locate(5, y) : y + 16 : DrawText("F     = FPS-Anzeige")
      Locate(5, y) : y + 16 : DrawText("+/-   = Blobs-Anzahl ")
      Locate(5, y) : y + 16 : DrawText("F5    = Blobs neu erstellen")
      Locate(5, y) : y + 16 : DrawText("Linke Maustaste  = Blob auswählen -> Hintergrund fängt ihn")
      Locate(5, y) : y + 16 : DrawText("Rechte Maustaste = Fang wieder ausschalten")
    EndIf
    
    If AddDelShowNow
      FrontColor(255, 0, 0)
      If ElapsedMilliseconds() > AddDelShowNow : AddDelShowNow = 0 : EndIf
      Locate(5, y) : y + 16
      DrawText("Neue Blobs: " + Str(NewBlobs))
    EndIf
  StopDrawing()
  ;}
  
  ;{- Berechne Blobs
  For a = 0 To Blobs - 1
    d.f = 0
    If Blobs(a)\x < RandDist
      d = RandDist - Blobs(a)\x
    ElseIf Blobs(a)\x > #Width - RandDist
      d = (#Width - RandDist) - Blobs(a)\x
    Else
      d = 0
    EndIf
    Blobs(a)\xspd + (#RandSpd * d / RandDist)
    
    If Blobs(a)\y < RandDist
      d = RandDist - Blobs(a)\y
    ElseIf Blobs(a)\y > #Height - RandDist
      d = (#Height - RandDist) - Blobs(a)\y
    Else
      d = 0
    EndIf
    Blobs(a)\yspd + (#RandSpd * d / RandDist)
    
    Blobs(a)\c2 = Distance(Blobs(a)\x, Blobs(a)\y, #Width / 2, #Height / 2) * 255 / HalfDia
    
    For b.l = 0 To Blobs - 1
      If a <> b
        ; Abstände zwischen allen Blobs berechnen
        Distance.f = Distance(Blobs(a)\x, Blobs(a)\y, Blobs(b)\x, Blobs(b)\y)
        MinDistance.f = Blobs(a)\r + Blobs(b)\r
        Difference.f = Distance - MinDistance
        
        ; Wenn Wirkungsabstand erreicht...
        If Distance <= Wirkung
          ; Errechne Beschleunigung
          Grav.f = (Wirkung - Distance) * Gravity / Wirkung
          Grav = Grav * Pow(MinDistance / #MaxGravRad, 2)
          
          ; If Difference < 0
            ; Grav = - Grav
            ; ; Blobs(a)\xspd * 0.4
            ; ; Blobs(a)\yspd * 0.4
          ; EndIf
          
          ; Rechne Beschleunigung in x- und y-Beschleunigung um
          Angle.f = GetAngle(Blobs(a)\x, Blobs(a)\y, Blobs(b)\x, Blobs(b)\y)
          xspd.f = Cos(Angle) * Grav
          yspd.f = Sin(Angle) * Grav
          
          ; Unterscheide zwischen abstoßen...
          If (Variant = #False And Blobs(a)\typ = Blobs(b)\typ) Or (Variant = #True And Blobs(a)\typ <> Blobs(b)\typ)
            Blobs(a)\xspd - xspd
            Blobs(a)\yspd - yspd
          ; ...und anziehen
          Else
            Blobs(a)\xspd + xspd
            Blobs(a)\yspd + yspd
          EndIf
          
        EndIf
        
      EndIf
    Next
    
    ; Berechne Reibung
    Blobs(a)\xspd - (Blobs(a)\xspd * Reibung)
    Blobs(a)\yspd - (Blobs(a)\yspd * Reibung)
    
    ; Bewege Blob entsprechend der Beschleunigung
    Blobs(a)\x + Blobs(a)\xspd
    Blobs(a)\y + Blobs(a)\yspd
    
    ; ; Lass Blobs an der Wand abprallen
    ; If Blobs(a)\x <= Blobs(a)\r : Blobs(a)\x = 2 * Blobs(a)\r - Blobs(a)\x : Blobs(a)\xspd = - Blobs(a)\xspd : EndIf
    ; If Blobs(a)\y <= Blobs(a)\r : Blobs(a)\y = 2 * Blobs(a)\r - Blobs(a)\y : Blobs(a)\yspd = - Blobs(a)\yspd : EndIf
    ; If Blobs(a)\x >= #Width  - Blobs(a)\r : Blobs(a)\x = 2 * (#Width - Blobs(a)\r)  - Blobs(a)\x : Blobs(a)\xspd = - Blobs(a)\xspd : EndIf
    ; If Blobs(a)\y >= #Height - Blobs(a)\r : Blobs(a)\y = 2 * (#Height - Blobs(a)\r) - Blobs(a)\y : Blobs(a)\yspd = - Blobs(a)\yspd : EndIf
  Next
  
  ;}
  
  ;{- Berechen Kollisionen
  Collisions = 0
  For a.l = 0 To Blobs - 1
    For b.l = 0 To Blobs - 1
      If a <> b
        Distance = Distance(Blobs(a)\x, Blobs(a)\y, Blobs(b)\x, Blobs(b)\y)
        MinDistance = Blobs(a)\r + Blobs(b)\r
        
        If Distance < MinDistance
          Collisions + 1
          Difference = (MinDistance - Distance) * Blobs(a)\r / (2 * (Blobs(a)\r + Blobs(b)\r))
          
          Angle.f = GetAngle(Blobs(a)\x, Blobs(a)\y, Blobs(b)\x, Blobs(b)\y)
          If Abstossung ; Blobs(a)\typ <> Blobs(b)\typ
            Difference = (MinDistance - Distance) * Blobs(a)\r / (2 * (Blobs(a)\r + Blobs(b)\r))
            Blobs(a)\xspd - Cos(Angle) * Difference
            Blobs(a)\yspd - Sin(Angle) * Difference
          Else
            Difference = MinDistance - Distance
            Blobs(a)\x - Cos(Angle) * Difference
            Blobs(a)\y - Sin(Angle) * Difference
            Blobs(a)\xspd = 0
            Blobs(a)\yspd = 0
          EndIf
        EndIf
      EndIf
    Next
  Next
  ;}
  
  FlipBuffers()
  
  If IsScreenActive() = 0 ;{
    ReleaseMouse(1)
    While IsScreenActive() = 0
      If Windowed
        Repeat
          Select WindowEvent() 
            Case #PB_EventCloseWindow : Break 3
            Case 0 : Break
          EndSelect
        ForEver
      EndIf
      Delay(1)
    Wend
    ReleaseMouse(0)
  EndIf
  ;}
  
  If Windowed ;{
    For a.l = 0 To 255
      WinKeyboardPushed(a) = #False
      WinKeyboardReleased(a) = #False
    Next
    WinMouseButton(1) = #False
    WinMouseButton(2) = #False
    Repeat
      Select WindowEvent() 
        Case #PB_EventCloseWindow : Break 2
        
        Case #PB_EventGadget
          Select EventGadgetID()
            Case Gad_E1   ; Wirkradius
              Wirkung = GetGadgetState(Gad_E1)
              SetGadgetText(Gad_T1, "Wirkradius: " + StrF(Wirkung, 0))
            Case Gad_E2   ; Anziehung
              Gravity = GetGadgetState(Gad_E2) / 100
              SetGadgetText(Gad_T2, "Anziehung: " + StrF(Gravity, 2))
            Case Gad_E3   ; Reibung
              Reibung = GetGadgetState(Gad_E3) / 100
              SetGadgetText(Gad_T3, "Reibung: " + Str(Reibung * 100) + "%")
            Case Gad_E4a  ; Abstossung
              If GetGadgetState(Gad_E4a) : Abstossung = #True : Else : Abstossung = #False : EndIf
            Case Gad_E4b  ; Wegschiebung
              If GetGadgetState(Gad_E4a) : Abstossung = #True : Else : Abstossung = #False : EndIf
            Case Gad_E5   ; Ellipsenanzahl
              EllipseLines = GetGadgetState(Gad_E5)
              SetGadgetText(Gad_E5, Str(EllipseLines))
            Case Gad_E6   ; Ellipse ausgefüllt
              EllipseVol = GetGadgetState(Gad_E6)
            Case Gad_E7
              RandDist = GetGadgetState(Gad_E7)
              SetGadgetText(Gad_T7, "Randstärke: " + Str(RandDist) + " Px")
            Case Gad_E8c
              CreateBlobs(Val(GetGadgetText(Gad_E8a)), Val(GetGadgetText(Gad_E8b)))
          EndSelect
        
        Case #WM_LButtonDown : WinMouseButton(1) = #True
        Case #WM_RButtonDown : WinMouseButton(2) = #True
        
        Case #WM_KeyDown
          Select EventwParam()
            Case #VK_Return
              Select GetFocus_()
                Case GadgetID(Gad_E8a) : ActivateGadget(Gad_E8b)
                Case GadgetID(Gad_E8b) : CreateBlobs(Val(GetGadgetText(Gad_E8a)), Val(GetGadgetText(Gad_E8b)))
                Case GadgetID(Gad_E8c) : CreateBlobs(Val(GetGadgetText(Gad_E8a)), Val(GetGadgetText(Gad_E8b)))
              EndSelect
            
            Case #VK_Escape   : WinKeyboardPushed(#PB_Key_Escape)   = #True
            Case #VK_F1       : WinKeyboardPushed(#PB_Key_F1)       = #True
            Case #VK_Add      : WinKeyboardPushed(#PB_Key_Add)      = #True
            Case #VK_Subtract : WinKeyboardPushed(#PB_Key_Subtract) = #True
            Case #VK_Space    : WinKeyboardReleased(#PB_Key_Space)    = #True
          EndSelect
        Case #WM_KeyUp
          Select EventwParam()
            Case #VK_F        : WinKeyboardReleased(#PB_Key_F)        = #True
            Case #VK_F5       : WinKeyboardReleased(#PB_Key_F5)       = #True
          EndSelect
        Case 0 : Break
      EndSelect
    ForEver
  EndIf ;}
ForEver
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; FoldLines=00B200EE00F3011D011F01400142014A0151019901EA0206020A0219021B025B
; Build=4
; Language=0x0000 Language Neutral
; FirstLine=118
; CursorPosition=461
; EnableOnError
; ExecutableFormat=Windows
; Executable=C:\Programme\PureBasic\Programme\Projekte\Blobs.exe
; DontSaveDeclare
; EOF