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

LrAntiAliasingRandom.cpp

@@ -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;