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authorDan Goodliffe <dan@randomdan.homeip.net>2024-01-07 13:04:31 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2024-01-07 13:04:31 +0000
commit6a1df3dfbae98a05e74c646cc216fbc19ffdb6d6 (patch)
tree46c42bcbef1f12c4f46d53b4e0c4736bea506b51 /lib/ray.cpp
parentUnified crossProduct (diff)
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Template Ray on position type
Diffstat (limited to 'lib/ray.cpp')
-rw-r--r--lib/ray.cpp36
1 files changed, 0 insertions, 36 deletions
diff --git a/lib/ray.cpp b/lib/ray.cpp
deleted file mode 100644
index 254ad14..0000000
--- a/lib/ray.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "ray.h"
-#include "maths.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 = crossProduct(d1, d2);
- const auto n2 = crossProduct(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();
-}