Commit 2b0fd438 authored by axel's avatar axel
Browse files

maintenant , le random marche normalement (normalement...)

parent 834d9e84

LrAntiAliasingRandom.cpp

+8 −10
Original line number Diff line number Diff line
@@ -22,12 +22,10 @@ 
#include <iostream>





static float randMinMax(float min, float max)

{



    return (1.0 * rand()/RAND_MAX)*0.5;



}

//static float randMinMax(float min, float max)

//{

//    return (1.0 * rand()/RAND_MAX)*;

//}



/*---------------------------------------------------------------------------*

 * constructors and destructor                                               *
@@ -56,16 +54,16 @@ void LrAntiAliasingRandom::getCoordUV(const int coeffAA, const int numCase, Real 


     //le pas

    float pas = (1.0/(coeffAA*2));

    std::cout<<"pas : "<<pas<<std::endl;

    //std::cout<<"pas : "<<pas<<std::endl;

    

    //Le num de ligne et de colonne

    int numLigne = (int)(floor(numCase / coeffAA)+1);

    int numColonne = (int)(floor(numCase % coeffAA)+1);



    //random de -pas a pas

    float variation = (1.0 * rand()/RAND_MAX) * (pas*2);



    float variation = -pas + (1.0 * rand()/RAND_MAX) * (pas*2);

    //std::cout<<"variation : "<<variation<<std::endl;



    std::cout<<variation<<" ";

    // tirer u et v aleatoirement dans le pixel ou le sous-pixel

    (*u) = (pas * ((numColonne*2)-1)) + variation;

    (*v) = (pas * ((numLigne*2)-1)) + variation;