Changeset 2902 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SampleGenerator.cpp

Timestamp:

09/04/08 12:55:36 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SampleGenerator.cpp (modified) (4 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/SampleGenerator.cpp

@@ -8 +8 @@
 HaltonSequence PoissonDiscSampleGenerator::sHalton;
 HaltonSequence GaussianSampleGenerator::sHalton;
+HaltonSequence PseudoRandomGenerator::sHalton;
 
 
@@ -125 +126 @@
 
 
+PseudoRandomGenerator::PseudoRandomGenerator(int numSamples, float radius):
+SampleGenerator(numSamples, radius)
+{}
+
+
+void PseudoRandomGenerator::Generate(float *samples) const
+{
+        sHalton.GetNext(2 * mNumSamples, samples);
+}
+
+
 SphericalSampleGenerator::SphericalSampleGenerator(int numSamples, float radius):
 SampleGenerator(numSamples, radius)
@@ -134 +146 @@
         float r[2];
         Sample3 *s = (Sample3 *)samples;
+/*      
+        // idea: use poisson distribution to generate samples
 
-        // idea: use poisson distribution to generate samples
         PoissonDiscSampleGenerator poisson(mNumSamples, 1.0f);
         Sample2 *pSamples = new Sample2[mNumSamples];
-
         poisson.Generate((float *)pSamples);
-
+*/
         for (int i = 0; i < mNumSamples; ++ i)
         {
-                //sHalton.GetNext(2, r);
-                r[0] = pSamples[i].x; r[1] = pSamples[i].y;
+                sHalton.GetNext(2, r);
+                //r[0] = pSamples[i].x; r[1] = pSamples[i].y;
 
                 // create stratified samples over sphere
@@ -155 +167 @@
         }
 
-        delete [] pSamples;
+        //delete [] pSamples;
 }