Hi,
because i'm starting to understand sin and cos, i made this little program just for fun
Code: Select all
If InitSprite() = 0
MessageRequester("Erreur", "Impossible d'ouvrir l'écran & l'environnement nécessaire aux sprites !", 0)
End
EndIf
#width = 320
#height = 240
theta.f = 0.0 : x = 0 : y = 0 : frame.f = 0.0 : pas.f = 45.0 : div = 1 : DoCos = 1
If OpenWindow(0, 0, 0, #width+70, #height, "Oscilloscope...", #PB_Window_SystemMenu | #PB_Window_ScreenCentered)
ButtonGadget(0, #width+10, #height-25, 55, 20, "Quitter")
TextGadget(5, #width+3, 5, 32, 20, "Pas", #PB_Text_Center|#PB_Text_Border)
TextGadget(6, #width+38, 5, 32, 20, "Haut", #PB_Text_Center|#PB_Text_Border)
TrackBarGadget(1, #width+5, 27, 20, #height-80, 0, 100, #PB_TrackBar_Vertical)
SetGadgetState(1, pas)
CheckBoxGadget(7, #width+32, 27, 40, 15, "Cos") : SetGadgetState(7,DoCos)
TrackBarGadget(2, #width+40, 42, 20, #height-80-15, 1, 10, #PB_TrackBar_Vertical)
SetGadgetState(2, div)
TextGadget(3, #width+5, #height-50, 30, 20, Str(pas), #PB_Text_Center|#PB_Text_Border)
TextGadget(4, #width+40, #height-50, 30, 20, Str(div), #PB_Text_Center|#PB_Text_Border)
If OpenWindowedScreen(WindowID(0), 0, 0, #width, #height, 0, 0, 0)
CreateSprite(0, 4, 4)
If StartDrawing(SpriteOutput(0))
Box(0, 0, 4, 4, RGB(255, 0, 255))
Box(1, 0, 2, 4, RGB(127, 200, 127))
Box(0, 1, 4, 2, RGB(127, 200, 127))
Box(1, 1, 2, 2, RGB(0, 255, 0))
StopDrawing()
EndIf
TransparentSpriteColor(0,$FF00FF)
CreateSprite(1, #width, #height)
If StartDrawing(SpriteOutput(1))
For i = 0 To #width - 1 Step #height/12 ;20
LineXY(i,0,i,#height-1,$1F1F1F)
Next i
For i = 0 To #height - 1 Step #height/12 ;20
LineXY(0,i,#width-1,i,$1F1F1F)
Next i
LineXY(0,#height/2,#width-1,#height/2,$AFAFAF)
LineXY(#width/2,0,#width/2,#height,$AFAFAF)
For i = #width/16 To #width - 1 Step #height/12 ;20
LineXY(i,(#height/2)-5,i,(#height/2)+5,$AFAFAF)
Next i
For i = #width/16 To #height - 1 Step #height/12 ;20
LineXY((#width/2)-5,i,(#width/2)+5,i,$AFAFAF)
Next i
StopDrawing()
EndIf
Else
MessageRequester("Erreur", "Impossible d'ouvrir un écran dans la fenêtre!", 0)
End
EndIf
EndIf
#RAD_TO_DEG = 57.29577951308232087 ;57.2957795130823208767981548141052 = valeur de la conversion de radian en degré
#DEG_TO_RAD = 0.01745329251994329 ; 0.0174532925199432957692369076848861 = valeur de la conversion de degré en radian
Macro DegCos(val)
Cos(val / #RAD_TO_DEG)
EndMacro
Macro DegSin(val)
Sin(val / #RAD_TO_DEG)
EndMacro
Repeat
Repeat
Event = WindowEvent()
; Faire un Random pour le fun
; div = Random(10)
; SetGadgetState(2,div)
; SetGadgetText(4,Str(div))
Select Event
Case #PB_Event_Gadget
If EventGadget() = 0
End
EndIf
If EventGadget() = 1
pas = GetGadgetState(1)
SetGadgetText(3,Str(pas))
EndIf
If EventGadget() = 2
div = GetGadgetState(2)
SetGadgetText(4,Str(div))
EndIf
If EventGadget() = 7
DoCos = 1 - DoCos
SetGadgetState(7,DoCos)
EndIf
Case #PB_Event_CloseWindow
End
EndSelect
Until Event = 0
FlipBuffers()
;ClearScreen(RGB(0, 0, 0))
DisplaySprite(1,0,0)
For x = 0 To #width - 1
theta = x + frame
Select DoCos
Case 0
y = ((#height-4) / 2) - DegSin(theta) * (#height / 2) ;-4 à cause de la hauteur du sprite
Case 1
y = ((#height-4) / 2) - DegSin(theta) * (#height / 2) * ( DegCos(theta) / div )
EndSelect
DisplayTransparentSprite(0,x,y)
Next
frame = frame + pas ;vitesse de défilement
Delay(25) ;valeur pour donner du temps au processeur sinon process à 98%
ForEver
