Changeset 465abf for molecuilder/src

Timestamp:

Apr 29, 2010, 4:11:43 PM (15 years ago)

Author:

Tillmann Crueger <crueger@…>

Children:

c53e0b

Parents:

6a314f

Message:

Added a method that allows construction of three arbitrary points on a plane.

Location:

molecuilder/src

Files:

• Plane.cpp (modified) (2 diffs)
• Plane.hpp (modified) (2 diffs)

molecuilder/src/Plane.cpp

@@ -97 +97 @@
   return getOffset()*getNormal();
 }
-/*
-std::vector<Vector> Plane::getPointsOnPlane(){
+
+vector<Vector> Plane::getPointsOnPlane(){
   std::vector<Vector> res;
   // first point on the plane
@@ -104 +104 @@
   // first is orthogonal to the plane...
   // an orthogonal vector to this one lies on the plane
-  res[1] =
+  Vector direction;
+  direction.GetOneNormalVector(res[0]);
+  res[1] = res[0]+direction;
+  // get an orthogonal vector to direction and offset (lies on the plane)
+  direction.VectorProduct(res[0]);
+  direction.Normalize();
+  res[2] = res[0] +direction;
+  return res;
 }
-*/
+
 
 /** Calculates the intersection point between a line defined by \a *LineVector and \a *LineVector2 and a plane defined by \a *Normal and \a *PlaneOffset.

molecuilder/src/Plane.hpp

@@ -10 +10 @@
 
 #include <memory>
+#include <vector>
 
 class Vector;
@@ -38 +39 @@
   Vector getOffsetVector();
 
+  /**
+   * returns three seperate points on this plane
+   */
+  std::vector<Vector> getPointsOnPlane();
+
   // some calculations
   Vector GetIntersection(const Vector &Origin, const Vector &LineVector);