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-rw-r--r--lib/ray.cpp35
1 files changed, 0 insertions, 35 deletions
diff --git a/lib/ray.cpp b/lib/ray.cpp
deleted file mode 100644
index 9fb3648..0000000
--- a/lib/ray.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#include "ray.h"
-#include <algorithm>
-
-Ray
-Ray::fromPoints(Position3D start, Position3D p)
-{
- return {start, glm::normalize(p - start)};
-}
-
-float
-Ray::distanceToLine(const Position3D & p1, const Position3D & e1) const
-{
- // https://en.wikipedia.org/wiki/Skew_lines
- const auto diff = p1 - e1;
- const auto d1 = glm::normalize(diff);
- const auto &p2 = start, &d2 = direction;
- const auto n = glm::cross(d1, d2);
- const auto n2 = glm::cross(d2, n);
- const auto c1 = p1 + (glm::dot((p2 - p1), n2) / glm::dot(d1, n2)) * d1;
- const auto difflength = glm::length(diff);
- if (glm::length(c1 - p1) > difflength || glm::length(c1 - e1) > difflength) {
- return std::numeric_limits<float>::infinity();
- }
- return glm::abs(glm::dot(n, p1 - p2));
-}
-
-bool
-Ray::passesCloseToEdges(const std::span<const Position3D> positions, float distance) const
-{
- return std::adjacent_find(positions.begin(), positions.end(),
- [this, distance](const Position3D & a, const Position3D & b) {
- return distanceToLine(a, b) <= distance;
- })
- != positions.end();
-}