49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
#pragma once
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#include <glm/glm.hpp>
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namespace glm {
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typedef vec<3, long long> llvec3;
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typedef vec<3, long> lvec3;
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typedef vec<3, uint16_t> usvec3;
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typedef vec<3, unsigned char> ucvec3;
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const auto IDX_LENGTH = 32;
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const auto IDX_LENGTH2 = IDX_LENGTH * IDX_LENGTH;
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const auto IDX_SIZE = IDX_LENGTH2 * IDX_LENGTH;
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using idx = glm::u16;
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/// Combination of ivec3 and vec3 as a big and high precision
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/// Scale to IDX_LENGTH2
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struct ifvec3 {
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using raw_t = glm::ivec3;
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using offset_t = glm::vec3;
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ifvec3(): raw(0), offset(0) { }
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ifvec3(const raw_t &raw, const offset_t &offset, bool recenter = true) : raw(raw), offset(offset) {
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if(recenter) center();
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}
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ifvec3(const glm::llvec3 &pos, glm::u32 density = 1);
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raw_t raw;
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offset_t offset;
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glm::llvec3 as_voxel(int density = 1) const;
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void center();
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glm::llvec3 raw_as_long() const;
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double dist(const ifvec3 &p) const;
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ifvec3 divide(glm::u32 m = IDX_LENGTH) const;
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inline const ifvec3 &operator+=(const offset_t &v) {
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offset += v;
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center();
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return *this;
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}
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inline ifvec3 operator+(const offset_t& v) const { return ifvec3(raw, offset + v); }
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inline ifvec3 operator-(const offset_t &v) const { return ifvec3(raw, offset - v); }
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inline ifvec3 operator/(int i) const { return ifvec3(raw / i, offset / (i * 1.f), false); }
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inline ifvec3 operator*(int i) const { return ifvec3(raw * i, offset * (i * 1.f)); }
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};
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}
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