円の設定

円１	R
	G
	B
	A
	Z
円２	R
	G
	B
	A
	Z
円３	R
	G
	B
	A
	Z

gl.blendFunc(sfactor, dfactor)

	sfactor	dfactor	計算式
gl.ZERO			(0,0,0,0)
gl.ONE			(1,1,1,1)
gl.SRC_ COLOR			(Rs,Gs,Bs,As)
gl.ONE_ MINUS_ SRC_ COLOR			(1-Rs,1-Gs,1-Bs,1-As)
gl.DST_ COLOR			(Rd,Gd,Bd,Ad)
gl.ONE_ MINUS_ DST_ COLOR			(1-Rd,1-Gd,1-Bd,1-Ad)
gl.SRC_ ALPHA			(As,As,As,As)
gl.ONE_ MINUS_ SRC_ ALPHA			(1-As,1-As,1-As,1-As)
gl.DST_ ALPHA			(Ad,Ad,Ad,Ad)
gl.ONE_ MINUS_ DST_ ALPHA			(1-Ad,1-Ad,1-Ad,1-Ad)
gl.CONSTANT_ COLOR			(Rc,Gc,Bc,Ac)
gl.ONE_ MINUS_ CONSTANT_ COLOR			(1-Rc,1-Gc,1-Bc,1-Ac)
gl.CONSTANT_ ALPHA			(Ac,Ac,Ac,Ac)
gl.ONE_ MINUS_ CONSTANT_ ALPHA			(1-Ac,1-Ac,1-Ac,1-Ac)
gl.SRC_ALPHA_ SATURATE			(f,f,f,1) f:=min(As,1-Ad)

gl.blendColor(R, G, B, A)

R
G
B
A