Type Object_Fade
Field Px:Int
Field Py:Int
Field Tx:Int
Field Ty:Int
Field Red:Byte
Field Green:Byte
Field Blue:Byte
Field ImageScr:Timage
Field ImageDes:Timage
Field FadeType:Int
Field FadeStart:Int=False
Field AlphaValue:Float
Field AlphaRate:Int
Field AlphaTimer:Fade_Timer
' ----------------------------------
' Permet de créer un fade de couleur
' ----------------------------------
Function CreateColorFade:Object_Fade(Red:Byte=10,Green:Byte=10,Blue:Byte=10)
Local F:Object_Fade = New OBject_Fade
F.Px=0
F.Py=0
F.Tx=GraphicsWidth()
F.Ty=GraphicsHeight()
F.Red=Red
F.Green=Green
F.Blue=Blue
F.AlphaValue=1
F.FadeType=1
F.AlphaRate=15
F.AlphaTimer=Fade_Timer.Create(F.AlphaRate)
Return F
End Function
' -------------------------------------
' Permet de créer un cross fade d'image
' -------------------------------------
Function CreateCrossFade:Object_Fade(Source:Timage,Destination:Timage)
Local F:Object_Fade = New OBject_Fade
F.Px=0
F.Py=0
F.Tx=GraphicsWidth()
F.Ty=GraphicsHeight()
F.Red=255
F.Green=255
F.Blue=255
F.ImageScr=Source
F.ImageDes=Destination
F.AlphaValue=0
F.FadeType=3
F.AlphaRate=15
F.AlphaTimer=Fade_Timer.Create(F.AlphaRate)
Return F
End Function
' --------------------------
' Permet de démarrer un fade
' --------------------------
Method Start()
FadeStart=True
End Method
' ------------------------
' Permet de stoper un fade
' ------------------------
Method Stop()
FadeStart=False
End Method
' ---------------------------------------
' Permet de tester si un fade est terminé
' ---------------------------------------
Method Test()
Return FadeStart
End Method
' ------------------------------------------
' Permet de convertir un fade out en fade in
' ------------------------------------------
Method ConvertToFadeIn()
FadeType=1
End Method
' ------------------------------------------
' Permet de convertir un fade in en fade out
' ------------------------------------------
Method ConvertToFadeOut()
FadeType=2
End Method
' -----------------------------------------------------------------
' Permet de changer les image source et destination d'un cross fade
' -----------------------------------------------------------------
Method CrossFadeSwitch(Source:Timage,Destination:Timage)
ImageScr=Source
ImageDes=Destination
AlphaValue=0
End Method
' ------------------------------
' Permet de rafraichir les fades
' ------------------------------
Method Redraw()
Select FadeType
' -------
' Fade In
' -------
Case 1
If FadeStart=True Then
If AlphaTimer.TestEnd()=True Then
AlphaValue=AlphaValue-0.005
AlphaTimer=Fade_Timer.Create(AlphaRate)
EndIf
If AlphaValue<=0 Then
AlphaValue=0
FadeStart=False
EndIf
EndIf
SetBlend AlphaBlend
SetAlpha AlphaValue
SetColor Red,Green,Blue
DrawRect Px,Py,Tx,Ty
' --------
' Fade Out
' --------
Case 2
If FadeStart=True Then
If AlphaTimer.TestEnd()=True Then
AlphaValue=AlphaValue+0.005
AlphaTimer=Fade_Timer.Create(AlphaRate)
EndIf
If AlphaValue>=1 Then
AlphaValue=1
FadeStart=False
EndIf
EndIf
SetBlend AlphaBlend
SetAlpha AlphaValue
SetColor Red,Green,Blue
DrawRect Px,Py,Tx,Ty
' ----------
' Cross Fade
' ----------
Case 3
If FadeStart=True Then
If AlphaTimer.TestEnd()=True Then
AlphaValue=AlphaValue+0.005
AlphaTimer=Fade_Timer.Create(AlphaRate)
EndIf
If AlphaValue>=1 Then
AlphaValue=1
FadeStart=False
EndIf
EndIf
SetBlend AlphaBlend
SetColor Red,Green,Blue
DrawImage ImageScr,Px,Py
SetAlpha AlphaValue
DrawImage ImageDes,Px,Py
End Select
' -----------------------------
' On reset les param par defaut
' -----------------------------
SetColor 255,255,255
SetBlend SolidBlend
SetAlpha 1
End Method
End Type
' ---------------------------------
' Multitask timer for gadget events
' ---------------------------------
Type Fade_Timer
Field Start:Int
Field TimeOut:Int
' ----------------
' Define the timer
' ----------------
Function Create:Fade_Timer(Out:Int)
Local NewTimer:Fade_Timer
NewTimer = New Fade_Timer
NewTimer.Start = MilliSecs()
NewTimer.TimeOut = NewTimer.Start + Out
Return NewTimer
End Function
' --------------
' Free the timer
' --------------
Function Freetimer(Timer:Fade_Timer)
Timer=Null
End Function
' ------------------
' Test the timer end
' ------------------
Method TestEnd()
If TimeOut < MilliSecs()
Freetimer(Self)
Return True
Else
Return False
EndIf
End Method
End Type
How to use ? :
Framework brl.d3d7max2d
Import brl.jpgloader
' modules which may be required:
' Import brl.pngloader
' Import brl.bmploader
' Import brl.tgaloader
SetGraphicsDriver D3D7Max2DDriver()
Include "Inc_Fade.bmx"
Graphics 800,600,32,60
pic1=LoadImage("Background01.jpg")
pic2=LoadImage("Background02.jpg")
pic3=LoadImage("Background03.jpg")
' ----------------------------
' Fondu du noir vers l'image 1
' ----------------------------
MyFade01:Object_Fade=Object_Fade.CreateColorFade()
MyFade01.Start()
While MyFade01.Test()=True
Cls
DrawImage Pic1,0,0
MyFade01.Redraw()
Flip
Wend
' ---------------------------------
' Fondu de l'image 1 vers l'image 2
' ---------------------------------
MyFade02:Object_Fade=Object_Fade.CreateCrossFade(Pic1,Pic2)
MyFade02.Start()
While MyFade02.Test()=True
Cls
MyFade02.Redraw()
Flip
Wend
' ---------------------------------
' Fondu de l'image 2 vers l'image 3
' ---------------------------------
MyFade02.CrossFadeSwitch(Pic2,Pic3)
MyFade02.Start()
While MyFade02.Test()=True
Cls
MyFade02.Redraw()
Flip
Wend
' ---------------------------------
' Fondu de l'image 3 vers l'image 2
' ---------------------------------
MyFade02.CrossFadeSwitch(Pic3,Pic2)
MyFade02.Start()
While MyFade02.Test()=True
Cls
MyFade02.Redraw()
Flip
Wend
' ---------------------------------
' Fondu de l'image 2 vers l'image 1
' ---------------------------------
MyFade02.CrossFadeSwitch(Pic2,Pic1)
MyFade02.Start()
While MyFade02.Test()=True
Cls
MyFade02.Redraw()
Flip
Wend
' -----------------------------
' Fondu de l'image vers le noir
' -----------------------------
MyFade01.ConvertToFadeOut()
MyFade01.Start()
While MyFade01.Test()=True
Cls
DrawImage Pic1,0,0
MyFade01.Redraw()
Flip
Wend
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