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32 lines
637 B
C++
32 lines
637 B
C++
#include "volumeutils.h"
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namespace openspace {
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namespace volumeutils {
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size_t coordsToIndex(const glm::vec3& coords, const glm::ivec3& dims) {
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size_t w = dims.x;
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size_t h = dims.y;
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size_t d = dims.z;
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size_t x = coords.x;
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size_t y = coords.y;
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size_t z = coords.z;
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return coords.z * (h * w) + coords.y * w + coords.x;
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}
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glm::vec3 indexToCoords(size_t index, const glm::ivec3& dims) {
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size_t w = dims.x;
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size_t h = dims.y;
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size_t d = dims.z;
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size_t x = index % w;
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size_t y = (index / w) % h;
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size_t z = index / w / h;
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return glm::ivec3(x, y, z);
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}
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}
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}
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