Rem
This is a really simple progress bar I made for my WIP game.
I created and tested it in about 30 minutes.
I hope someone finds it useful!
End Rem
Type SimpleProgressBar
Field minValue:Short, maxValue:Short, currentValue:Short 'these are shorts to make it a bit easier since they don't support negatives...
Field colorR:Byte,colorG:Byte,colorB:Byte 'background color for the progress bar.
Field x:Float,y:Float,w:Float,h:Float '(x,y) coordinates for the bar, followed by width and height of it.
Field text:String = "" 'the text to place in the middle of the filled bar.
Method Create:SimpleProgressBar(_x:Float,_y:Float,_w:Float,_h:Float,_minValue:Short,_maxValue:Short,_text:String="",_colorR:Byte=0,_colorG:Byte=255,_colorB:Byte=0)
x = _x
y = _y
w = _w
h = _h
text = _text
minValue = _minValue
currentValue = minValue 'the current value defaults to the minimum value...
maxValue = _maxValue
colorR = _colorR
colorG = _colorG
colorB = _colorB
Return Self
End Method
'method to set the values of the progress and the text as well.
Method SetValue(value:Short,_text:String = Null)
'only set the new value if it is in range.
If value >= minValue And value <= maxValue Then
currentValue = value
EndIf
'set the text if specified.
If _text <> Null Then
text = _text
EndIf
End Method
'call this during the rendering part of the main loop.
Method Render()
'get current color
Local tempR:Int,tempG:Int,tempB:Int
GetColor(tempR,tempG,tempB)
'get opposite color (used for non-filled background as well as overlayed text)
Local oppositeColorR:Byte,oppositeColorG:Byte,oppositeColorB:Byte
If colorR > 64 Then
oppositeColorR = 0
Else
oppositeColorR = 255
EndIf
If colorG > 64 Then
oppositeColorG = 0
Else
oppositeColorG = 255
EndIf
If colorB > 64 Then
oppositeColorB = 0
Else
oppositeColorB = 255
EndIf
'non-filled background...
SetColor oppositeColorR,oppositeColorG,oppositeColorB
DrawRect x,y,w,h
'filled background...
SetColor colorR,colorG,colorB
'finds and rounds the progress percent
Local filledPercent:Int = (currentValue - minValue) * 100 / (maxValue - minValue)
'finds and rounds the width of the filled part.
Local filledWidth:Int = filledPercent * w / 100
DrawRect x,y,filledWidth,h 'draw the filled part!
'overlayed text...
If text <> "" And TextWidth(text) < filledWidth Then 'only draw it if it can fit in the filled part.
SetColor oppositeColorR,oppositeColorG,oppositeColorB
DrawText text,x + ((filledWidth / 2) - (TextWidth(text) / 2)),y 'draw the text in the middle of the filled part (horizontally)
EndIf
SetColor tempR,tempG,tempB
End Method
End Type
'****DEMO****
Graphics 800,600,0 'windowed
'create two progress bars, one on the top, and one on the bottom.
Local top:SimpleProgressBar = New SimpleProgressBar.Create(200,25,400,50,0,100,"0") 'this one is the default green, and goes from 0 to 100.
Local bottom:SimpleProgressBar = New SimpleProgressBar.Create(200,100,400,50,0,500,"0",255,0,0) 'this one is red, and goes from 0 to 500.
Local startTime:Int = MilliSecs() 'used to help with the timing of the progress in the progress bars...
While Not KeyHit(KEY_ESCAPE)
If MilliSecs() - startTime > 50 Then 'update every 50 milliseconds..
startTime = MilliSecs()
If top.currentValue >= top.maxValue Then
top.SetValue(top.minValue,String(top.minValue))
Else
top.SetValue(top.currentValue + 1,String(top.currentValue + 1))
EndIf
If bottom.currentValue >= bottom.maxValue Then
bottom.SetValue(bottom.minValue,String(bottom.minValue))
Else
bottom.SetValue(bottom.currentValue + 1,String(bottom.currentValue + 1))
EndIf
EndIf
Cls()
'render the bars...
top.Render()
bottom.Render()
Flip()
Wend |
