anchor.diff:          int totalTestTime = currentTime - testStartTime;
           double millisPerFrame =
             totalTestTime.toDouble() / numFramesPerTest.toDouble();
  -        print("TEST ${test - 1} fps: ${1.0 / (millisPerFrame / 1000)}");
  +        print("  - RESULT fps: ${(1.0 / (millisPerFrame / 1000)).toStringAsFixed(1)} millis/frame: ${millisPerFrame.round()}");
   
           // Clear test
           removeAllChildren();
  
positive.code:   }
  }
  
  class TestPerformanceAtlas extends Node {
    final int grid = 100;
  
    double rotation = 0.0;
  
negative.code:   }
  }
  
  class TestPerformanceSprites extends PerformanceTest {
    String get name => "1001 sprites (24% offscreen)";
  
    final int grid = 100;
  
    TestPerformanceSprites() {
  