LayerTilesConstants.h

#ifndef LayerTilesConstants_h
#define LayerTilesConstants_h

#include <cstdint>
#include <array>

#define NLAYERS 100

constexpr int maxNSeeds = 100000;
constexpr int maxNFollowers = 128;
constexpr int localStackSizePerSeed = 128;

namespace LayerTilesConstants {

  constexpr int32_t ceil(float num) {
    return (static_cast<float>(static_cast<int32_t>(num)) == num) ? static_cast<int32_t>(num)
                                                                  : static_cast<int32_t>(num) + ((num > 0) ? 1 : 0);
  }

  constexpr float minX = -250.f;
  constexpr float maxX = 250.f;
  constexpr float minY = -250.f;
  constexpr float maxY = 250.f;
  constexpr float tileSize = 5.f;
  constexpr int nColumns = LayerTilesConstants::ceil((maxX - minX) / tileSize);
  constexpr int nRows = LayerTilesConstants::ceil((maxY - minY) / tileSize);
  constexpr int maxTileDepth = 40;

  constexpr float rX = nColumns / (maxX - minX);
  constexpr float rY = nRows / (maxY - minY);

}  // namespace LayerTilesConstants

#endif  // LayerTilesConstants_h