comparison layer/Colour3DPlotRenderer.cpp @ 1222:3ef162c9df00

Randomise start offset for partial paints, it looks (I think) a little better

         // the end.
         if (x0 == 0 && x1 == v->getPaintWidth()) {
             int peakCacheIndex = -1, binsPerPeak = -1;
             getPreferredPeakCache(v, peakCacheIndex, binsPerPeak);
             if (peakCacheIndex == -1) { // no peak cache
-                x0 = int(x1 * 0.3);
+                double offset = 0.5 * (double(rand()) / double(RAND_MAX));
+                x0 = int(x1 * offset);
             }
         }
     }
 
     if (m_cache.isValid()) {