Spline script

[Gabriel]

I have a question for the experts Lua;-)

I try to convert the script Spline Lua in C + +, and I met before a problem of semantics of the language Lua, even more elsewhere.

 

function CreateSpline(p0,n0,p1,n1,mag)
local spline={} – spline is a table
…
– one elements of spline is a function named Interpolate
function spline:Interpolate(t,v,n) 
	-self is same as spline here ? or self is area of CreateSplin ?
	v.x = ((self.A * (t ^ 3.0)) + (self.B * (t ^ 2.0)) + (self.C * t) + self.D)
	…
	local m=n:Length() – I don’t understand this semantics 
                     -- Length as define bellow, function of spline table
                     -- ‘n’ is a parameters of Interpolate function  ‘Vect3’ and not spline !!!!
end

– one elements of spline is a function named Lenght
function spline:Length()
…
	spline:Interpolate(p,t)
	why call spline:Interpolate and not self:Interpolate ?? 
	..
	return dist
end

 

maybe he has someone who has already converted this script in C or C + +? I like that to better understand this syntax

 

Gabriel

[Gabriel]

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