INVERTBLEND is it usefull for 2D game ?

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Red

here is an example .
But I wonder if it is really usefull for game coding.


Strict 


Graphics  800,600,0
  
SetClsColor 105,0,200
While Not KeyHit(KEY_ESCAPE)
	Cls
	
	SetBlend SOLIDBLEND	
	SetColor 255,255,255
	DrawRect 100,100,100,100	

	SetColor 255,255,0
	DrawRect 205,100,100,100

	SetColor 0,0,255
	DrawRect 100,205,100,100	

	SetColor 0,255,0
	DrawRect 205,205,100,100	
	'---------------------------
	
	SetBlend INVERTBLEND	
	SetColor 255,255,255	
	DrawRect 150,150,100,100		

	'---------------------------

	Flip
Wend