aboutsummaryrefslogtreecommitdiff
path: root/quat.cpp
diff options
context:
space:
mode:
authorFranklin Wei <me@fwei.tk>2019-02-11 12:52:45 -0500
committerFranklin Wei <me@fwei.tk>2019-02-11 12:52:45 -0500
commit291bd26fd8920831181e8207e1fcdf544cd6cd6f (patch)
tree58fc7bac5b018197590af66727ea71e11d00a737 /quat.cpp
parent8f49ddea98f32dd8e90416012c264d8cc5501bb0 (diff)
downloadfieldviz-291bd26fd8920831181e8207e1fcdf544cd6cd6f.zip
fieldviz-291bd26fd8920831181e8207e1fcdf544cd6cd6f.tar.gz
fieldviz-291bd26fd8920831181e8207e1fcdf544cd6cd6f.tar.bz2
fieldviz-291bd26fd8920831181e8207e1fcdf544cd6cd6f.tar.xz
Reorganize, use readline
Diffstat (limited to 'quat.cpp')
-rw-r--r--quat.cpp38
1 files changed, 0 insertions, 38 deletions
diff --git a/quat.cpp b/quat.cpp
deleted file mode 100644
index df117d0..0000000
--- a/quat.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-#include "quat.h"
-#include <cmath>
-
-quat::quat(scalar w_, scalar x_, scalar y_, scalar z_) : w(w_), x(x_), y(y_), z(z_) { }
-quat::quat(scalar x_, scalar y_, scalar z_) : w(0), x(x_), y(y_), z(z_) { }
-quat::quat(scalar w_, vec3 vec) : w(w_), x(vec[0]), y(vec[1]), z(vec[2]) { }
-quat::quat(vec3 vec) : w(0), x(vec[0]), y(vec[1]), z(vec[2]) { }
-quat::quat() : w(0), x(0), y(0), z(0) { }
-
-quat::operator vec3()
-{
- return vec3(this->x, this->y, this->z);
-}
-
-quat operator*(const quat &lhs, const quat &rhs)
-{
- return quat(lhs.w * rhs.w - lhs.x * rhs.x - lhs.y * rhs.y - lhs.z * rhs.z,
- lhs.w * rhs.x + lhs.x * rhs.w + lhs.y * rhs.z - lhs.z * rhs.y,
- lhs.w * rhs.y - lhs.x * rhs.z + lhs.y * rhs.w + lhs.z * rhs.x,
- lhs.w * rhs.z + lhs.x * rhs.y - lhs.y * rhs.x + lhs.z * rhs.w);
-}
-
-quat quat::conjugate() const
-{
- return quat(this->w, -this->x, -this->y, -this->z);
-}
-
-quat quat::from_angleaxis(scalar angle, vec3 axis)
-{
- scalar si = std::sin(angle / 2);
- scalar co = std::cos(angle / 2);
- return quat(co, si * axis[0], si * axis[1], si * axis[2]);
-}
-
-std::ostream &operator<<(std::ostream &os, const quat &q)
-{
- return os << "(" << q.w << ", " << q.x << ", " << q.y << ", " << q.z << ")";
-}