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