summaryrefslogtreecommitdiffstats
path: root/src/Vector3d.cpp
diff options
context:
space:
mode:
authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
commit675b4aa878f16291ce33fced48a2bc7425f635ae (patch)
tree409914df27a98f65adf866da669429c4de141b6f /src/Vector3d.cpp
parentLineBlockTracer: Using the coord-based block faces. (diff)
downloadcuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.tar
cuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.tar.gz
cuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.tar.bz2
cuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.tar.lz
cuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.tar.xz
cuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.tar.zst
cuberite-675b4aa878f16291ce33fced48a2bc7425f635ae.zip
Diffstat (limited to 'src/Vector3d.cpp')
-rw-r--r--src/Vector3d.cpp77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/Vector3d.cpp b/src/Vector3d.cpp
new file mode 100644
index 000000000..96ebebab5
--- /dev/null
+++ b/src/Vector3d.cpp
@@ -0,0 +1,77 @@
+
+#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "Vector3d.h"
+#include "Vector3f.h"
+
+
+
+
+
+const double Vector3d::EPS = 0.000001; ///< The max difference between two coords for which the coords are assumed equal
+const double Vector3d::NO_INTERSECTION = 1e70; ///< Return value of LineCoeffToPlane() if the line is parallel to the plane
+
+
+
+
+
+Vector3d::Vector3d(const Vector3f & v) :
+ x(v.x),
+ y(v.y),
+ z(v.z)
+{
+}
+
+
+
+
+
+Vector3d::Vector3d(const Vector3f * v) :
+ x(v->x),
+ y(v->y),
+ z(v->z)
+{
+}
+
+
+
+
+
+double Vector3d::LineCoeffToXYPlane(const Vector3d & a_OtherEnd, double a_Z) const
+{
+ if (abs(z - a_OtherEnd.z) < EPS)
+ {
+ return NO_INTERSECTION;
+ }
+ return (a_Z - z) / (a_OtherEnd.z - z);
+}
+
+
+
+
+
+double Vector3d::LineCoeffToXZPlane(const Vector3d & a_OtherEnd, double a_Y) const
+{
+ if (abs(y - a_OtherEnd.y) < EPS)
+ {
+ return NO_INTERSECTION;
+ }
+ return (a_Y - y) / (a_OtherEnd.y - y);
+}
+
+
+
+
+
+double Vector3d::LineCoeffToYZPlane(const Vector3d & a_OtherEnd, double a_X) const
+{
+ if (abs(x - a_OtherEnd.x) < EPS)
+ {
+ return NO_INTERSECTION;
+ }
+ return (a_X - x) / (a_OtherEnd.x - x);
+}
+
+
+
+