text: constexpr float EMITTER_CIRCLE_SIZE = 100.0;
  constexpr float EMITTER_SQUARE_SIZE = 100.0;
  
  constexpr float FIELD_CIRCLE_SIZE = 200.0;
  constexpr float FIELD_SQUARE_SIZE = 150.0;
  
  constexpr float TARGET_SIZE = 75.0;
  
  constexpr float MIN_RESOLUTION_WIDTH = 150;
  constexpr float MIN_RESOLUTION_HEIGHT = 150;
  
  constexpr float BLUR_RADIUS = 2;
  constexpr float BLUR_SHAPE = 0.2;
  constexpr float BLUR_PASSES = 3;
  constexpr float BLUR_DOWNSAMPLE = 0.5;
  