asdParticles 2

#include <GDIPlus.au3>
#include <Array.au3>

_GDIPlus_Startup()

Global $minLife = 500
Global $maxLife = 5000
Global $maxSpeed = 15
Global $GUIWidth = 800
Global $GUIHeight = 600
Global $BackgroundColor = 0x10010101
Global $PartN = InputBox("Numero particelle", "Inserisci il numero di particelle: ", 200)
Global $FPS, $FPSTimer, $FPSCounter
Dim $Particles[$PartN][9]

For $i = 0 To $PartN - 1
    NewParticle($i, True)
Next

Opt("GuiOnEventMode", 1)

$GUI = GUICreate("asdParticles", $GUIWidth, $GUIHeight)
GUISetBkColor(0x00000, $GUI)
GUISetOnEvent(-3, "GUIExit")

$Graphics = _GDIPlus_GraphicsCreateFromHWND($GUI)
$BufferBMP = _GDIPlus_BitmapCreateFromGraphics($GUIWidth, $GUIHeight, $Graphics)
$Buffer = _GDIPlus_ImageGetGraphicsContext($BufferBMP)

_GDIPlus_GraphicsSetSmoothingMode($Buffer, 2)

GUISetState(@SW_SHOW, $GUI)

$FPSTimer = TimerInit()

AdlibRegister("Update", 25)
AdlibRegister("Draw", 25)
AdlibRegister("ShowFPS", 1000)

While 1
    Sleep(20)
WEnd

Func Draw()
    _GDIPlus_GraphicsClear($Buffer, $BackgroundColor)
    $Brush = _GDIPlus_BrushCreateSolid()
    For $i = 0 To $PartN - 1
        _GDIPlus_BrushSetSolidColor($Brush, $Particles[$i][6])
        _GDIPlus_GraphicsFillEllipse($Buffer, $Particles[$i][0], $Particles[$i][1], $Particles[$i][4], $Particles[$i][5], $Brush)
    Next
    _GDIPlus_BrushDispose($Brush)
    _GDIPlus_GraphicsDrawImageRect($Graphics, $BufferBMP, 0, 0, $GUIWidth, $GUIHeight)
    FPSCounter()
EndFunc   ;==>Draw


Func Update()
    $nearMouseSize = 3.5
    $farMouseSize = 2.5

    $MousePos = GUIGetCursorInfo($GUI)
    If $MousePos[2] Then $clickColor = newRandomColor()

    Local $xComp = 0, $yComp = 0
    For $i = 0 To $PartN - 1

        If IsArray($MousePos) Then

            If $MousePos[2] = 1 Then
                If $Particles[$i][2] < 20 Then $Particles[$i][2] *= 1.2
                If $Particles[$i][3] < 20 Then $Particles[$i][3] *= 1.2
                $Particles[$i][4] = $nearMouseSize
                $Particles[$i][5] = $nearMouseSize
                $Particles[$i][6] = $clickColor
            EndIf

            $dh = $MousePos[0] - $Particles[$i][0]
            $dv = $MousePos[1] - $Particles[$i][1]
            $distX = Abs($dh)
            $distY = Abs($dv)
            $distD = Sqrt($distX ^ 2 + $distY ^ 2)
            If $distD > 150 Then
                $Particles[$i][4] = $farMouseSize ; Random(3, 4, 1)
                $Particles[$i][5] = $farMouseSize ; Random(3, 4, 1)
            Else
                $Particles[$i][4] = $nearMouseSize ; Random(1, 2, 1)
                $Particles[$i][5] = $nearMouseSize ; Random(1, 2, 1)
            EndIf
        EndIf

        If $Particles[$i][7] > TimerInit() Then ContinueLoop
        If TimerDiff($Particles[$i][7]) > $Particles[$i][8] Then
            NewParticle($i)
            ContinueLoop
        EndIf

        If ($Particles[$i][0] + $Particles[$i][2]) > $GUIWidth Then
            $Particles[$i][0] = $GUIWidth - ($Particles[$i][2] - ($GUIWidth - $Particles[$i][0]))
            $Particles[$i][2] *= -1
        ElseIf ($Particles[$i][0] + $Particles[$i][2]) < 0 Then
            $Particles[$i][0] = -($Particles[$i][2] + $Particles[$i][0])
            $Particles[$i][2] *= -1
        EndIf

        If ($Particles[$i][1] + $Particles[$i][3]) > $GUIHeight Then
            $Particles[$i][1] = $GUIHeight - ($Particles[$i][3] - ($GUIHeight - $Particles[$i][1]))
            $Particles[$i][3] *= -1
        ElseIf ($Particles[$i][1] + $Particles[$i][2]) < 0 Then
            $Particles[$i][1] = -($Particles[$i][2] + $Particles[$i][1])
            $Particles[$i][3] *= -1
        EndIf

        If $xComp > 0 Then $Particles[$i][2] -= $xComp
        If $yComp > 0 Then $Particles[$i][3] -= $yComp
        $Particles[$i][2] *= 0.98
        $Particles[$i][3] *= 0.98

        $Particles[$i][0] += $Particles[$i][2]
        $Particles[$i][1] += $Particles[$i][3]
    Next
EndFunc   ;==>Update

Func GUIExit()
    _GDIPlus_Shutdown()
    Exit
EndFunc   ;==>GUIExit

Func FPSCounter()
    If TimerDiff($FPSTimer) > 1000 Then
        $FPSTimer = TimerInit()
        $FPS = $FPSCounter
        $FPSCounter = 0
    EndIf
    $FPSCounter += 1
EndFunc   ;==>FPSCounter

Func ShowFPS()
    WinSetTitle(WinGetTitle($GUI), "", "asdParticles - " & $FPS & " fps")
EndFunc   ;==>ShowFPS

Func _DebugWrite($txt, $line = @ScriptLineNumber)
    $txt = StringReplace($txt, @CRLF, @LF)
    $txt = StringReplace($txt, @CR, @LF)
    $split = StringSplit($txt, @LF)
    For $x = 1 To $split[0]
        If $split[$x] <> "" Then ConsoleWrite(@LF & "===>" & @HOUR & ":" & @MIN & ":" & @SEC & "." & @MSEC & " - PID:" & @AutoItPID & " - " & $line & @TAB & "|" & $split[$x])
    Next
EndFunc   ;==>_DebugWrite

Func NewParticle($i, $newcolor = True)
    $Particles[$i][0] = $GUIWidth / 2
    $Particles[$i][1] = $GUIHeight / 2
    $Particles[$i][2] = Random(-$maxSpeed, $maxSpeed)
    $Particles[$i][3] = Random(-$maxSpeed, $maxSpeed)
    $Particles[$i][4] = 1
    $Particles[$i][5] = 1
    If $newcolor Then $Particles[$i][6] = newRandomColor()
    $Particles[$i][7] = TimerInit()
    $Particles[$i][8] = Random($minLife, $maxLife, 1)
EndFunc   ;==>NewParticle

Func newRandomColor()
    Return 0xFF000000 + Random(0x0000FF, 0xFFFFFF, 1)
EndFunc