godot_voxel/voxel_constants.h

32 lines
1.2 KiB
C++

#ifndef VOXEL_CONSTANTS_H
#define VOXEL_CONSTANTS_H
#include <core/math/math_defs.h>
namespace VoxelConstants {
static const float MINIMUM_LOD_SPLIT_SCALE = 2.f;
static const float MAXIMUM_LOD_SPLIT_SCALE = 5.f;
static const unsigned int MAX_LOD = 32;
static const unsigned int MAX_VOLUME_EXTENT = 0x1fffffff;
static const unsigned int MAX_VOLUME_SIZE = 2 * MAX_VOLUME_EXTENT; // 1,073,741,822 voxels
static const unsigned int MAIN_THREAD_MESHING_BUDGET_MS = 8;
static const float INV_0x7f = 1.f / 0x7f;
static const float INV_0x7fff = 1.f / 0x7fff;
static const float INV_TAU = 1.f / Math_TAU;
// Below 32 bits, channels are normalized in -1..1, and can represent a limited number of values.
// For storing SDF, we need a range of values that extends beyond that, in particular for better LOD.
// So we can scale it to better fit the resolution.
static const float QUANTIZED_SDF_8_BITS_SCALE = 0.1f;
static const float QUANTIZED_SDF_8_BITS_SCALE_INV = 1.f / 0.1f;
static const float QUANTIZED_SDF_16_BITS_SCALE = 0.002f;
static const float QUANTIZED_SDF_16_BITS_SCALE_INV = 1.f / 0.002f;
static const unsigned int DEFAULT_BLOCK_SIZE_PO2 = 4;
} // namespace VoxelConstants
#endif // VOXEL_CONSTANTS_H