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-rw-r--r--lib/maths.cpp97
1 files changed, 0 insertions, 97 deletions
diff --git a/lib/maths.cpp b/lib/maths.cpp
index f527881..3a9bf9b 100644
--- a/lib/maths.cpp
+++ b/lib/maths.cpp
@@ -19,103 +19,6 @@ flat_orientation(const Direction3D & diff)
return (std::isnan(e[0][0])) ? oneeighty : e;
}
-// Helper to lookup into a matrix given an xy vector coordinate
-template<typename M, typename I>
-inline auto &
-operator^(M & m, glm::vec<2, I> xy)
-{
- return m[xy.x][xy.y];
-}
-
-// Create a matrix for the angle, given the targets into the matrix
-template<typename M, typename I>
-inline auto
-rotation(typename M::value_type a, glm::vec<2, I> c1, glm::vec<2, I> s1, glm::vec<2, I> c2, glm::vec<2, I> ms2)
-{
- M m(1);
- sincosf(a, m ^ s1, m ^ c1);
- m ^ c2 = m ^ c1;
- m ^ ms2 = -(m ^ s1);
- return m;
-}
-
-// Create a flat (2D) transformation matrix
-glm::mat2
-rotate_flat(float a)
-{
- return rotation<glm::mat2, glm::length_t>(a, {0, 0}, {0, 1}, {1, 1}, {1, 0});
-}
-
-// Create a yaw transformation matrix
-glm::mat4
-rotate_yaw(float a)
-{
- return rotation<glm::mat4, glm::length_t>(a, {0, 0}, {1, 0}, {1, 1}, {0, 1});
-}
-
-// Create a roll transformation matrix
-glm::mat4
-rotate_roll(float a)
-{
- return rotation<glm::mat4, glm::length_t>(a, {0, 0}, {2, 0}, {2, 2}, {0, 2});
-}
-
-// Create a pitch transformation matrix
-glm::mat4
-rotate_pitch(float a)
-{
- return rotation<glm::mat4, glm::length_t>(a, {1, 1}, {1, 2}, {2, 2}, {2, 1});
-}
-
-// Create a combined yaw, pitch, roll transformation matrix
-glm::mat4
-rotate_ypr(Rotation3D a)
-{
- return rotate_yaw(a.y) * rotate_pitch(a.x) * rotate_roll(a.z);
-}
-
-glm::mat4
-rotate_yp(Rotation2D a)
-{
- return rotate_yp(a.y, a.x);
-}
-
-glm::mat4
-rotate_yp(Angle yaw, Angle pitch)
-{
- return rotate_yaw(yaw) * rotate_pitch(pitch);
-}
-
-float
-vector_yaw(const Direction2D & diff)
-{
- return std::atan2(diff.x, diff.y);
-}
-
-float
-vector_pitch(const Direction3D & diff)
-{
- return std::atan(diff.z);
-}
-
-float
-round_frac(const float & v, const float & frac)
-{
- return std::round(v / frac) * frac;
-}
-
-float
-normalize(float ang)
-{
- while (ang > pi) {
- ang -= two_pi;
- }
- while (ang <= -pi) {
- ang += two_pi;
- }
- return ang;
-}
-
static_assert(pow(1, 0) == 1);
static_assert(pow(1, 1) == 1);
static_assert(pow(1, 2) == 1);